MuleSoft Certified Developer - Level 1 (Mule 4)

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Question 1 of 191

How would you debug Mule applications?

Select one of the following:

Using breakpoints
Checking RAML
By Deploying apps on production
Cannot do it

Explanation

Question 2 of 191

What does to the attributes of a Mule event happen in a flow after an outbound HTTP Request is made?

Select one of the following:

Attributes do not change.
Previous attributes are passed unchanged.
Attributes are replaced with new attributes from the HTTP Request response.
New attributes may be added from the HTTP response headers, but no headers are ever removed.

Explanation

Question 3 of 191

The new RAML spec has been published to Anypoint Exchange with client credentials. What is the next step to gain access to the API?

Select one of the following:

Email the owners of the API.
Create a new client application.
No additional steps needed.
Request access to the API in Anypoint Exchange.

Explanation

Question 4 of 191

What is the difference between a subflow and a sync flow?

Select one of the following:

Sync flow has no error handling of its own and subflow does.
Subflow has no error handling of its own and sync flow does.
Subflow is synchronous and sync flow is asynchronous.
No difference.

Explanation

Question 5 of 191

What is not an asset?

Select one of the following:

Exchange
Template
Example
Connector

Explanation

Question 6 of 191

How to import Core (dw::Core) module into your DataWeave scripts?

Select one of the following:

import dw::core
Not needed
None of these
import core

Explanation

Question 7 of 191

What is the value of the stepVar variable after the processing of records in a Batch Job?

Select one of the following:

-1
0
Null
Last value from flow

Explanation

Question 8 of 191

Refer to the exhibit. What is the object type returned by the File List operation?

Select one of the following:

Object of String file names
Array of String file names
Object of Mule event objects
Array of Mule event objects

Explanation

Question 9 of 191

Where are values of query parameters stored in the Mule event by the HTTP Listener?

Select one of the following:

Payload
Attributes
Inbound Properties
Variables

Explanation

Question 10 of 191

DataWeave is tightly integrated with ____________.

Select one of the following:

Mule runtime
All APIs
Flow Designer
Exchange

Explanation

Question 11 of 191

In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do?

Select one of the following:

To save the most recent records retrieved from a database to enable database caching.
To enable duplicate processing of records in a database.
To avoid duplicate processing of records in a database.
To delete the most recent records retrieved from a database to enable database caching.

Explanation

Question 12 of 191

What is the correct way to format the decimal 200.1234 as a string to two decimal places?

Select one of the following:

200.1234 as string {format: ".0#"}
200.1234 as string as format: ".0#"
200.1234 as String {format: ".0#"}
200.1234 as String as format: ".0#"

Explanation

Question 13 of 191

How is policy defined in terms of classloader of an API?

Select one of the following:

Classloader isolation does not exist between the application, the runtime and connectors, and policies.
Classloader isolation exists between the application, the runtime and connectors, and policies.
None of these.
Classloader isolation partially exists between the application, the runtime and connectors, and policies.

Explanation

Question 14 of 191

According to Mulesoft, how are Modern APIs treated as?

Select one of the following:

Products
Code
SOAP services
Organizations

Explanation

Question 15 of 191

According to Semantic Versioning, which version would you change for incompatible API changes?

Select one of the following:

MINOR
PATCH
MAJOR
No change

Explanation

Question 16 of 191

What is the use of DevKit in Mule 4?

Select one of the following:

Facilitates communication between third-party systems and Mule applications.
No use.
Offers connector end user support in a few aspects of Mule app design.
Enables the development of Anypoint Connectors.

Explanation

Question 17 of 191

A Scatter-Gather processes three separate HTTP requests. Each request returns a Mule event with a JSON payload. What is the final output of the Scatter-Gather?

Select one of the following:

An Object containing three Mule event Objects.
An Array of three Mule event Objects.
An Object containing three JSON payload Objects.
An array of three JSON payload Objects.

Explanation

Question 18 of 191

What are the latest specification of RAML available?

Select one of the following:

Explanation

Question 19 of 191

http://dev.acme.com/api/patients?year=2021
What should this endpoint return?

Select one of the following:

Patient with id 2021
All patients
No patients
Patients from year 2021

Explanation

Question 20 of 191

According to MuleSoft, what is the Center for Enablement's role in the new IT operating model?

Select one of the following:

Implements line of business projects to enforce common security requirements.
Centrally manages partners and consultants to implement line of business projects.
Produces and manages API policies for line of business deployments
Creates and manages discoverable assets to be consumed by line of business developers.

Explanation

Question 21 of 191

Which one of them is NOT a flow in Mule?

Select one of the following:

Sync flow
Subflow
Async flow
Async sub flow

Explanation

Question 22 of 191

How are multiple conditions used in a Choice router to route events?

Select one of the following:

To route the same event to the matched route of EVERY true condition.
None of these.
To find the FIRST true condition, then distribute the event to the ONE matched route.
To find the FIRST true condition, then route the same event to the matched route and ALL FOLLOWING routes.

Explanation

Question 23 of 191

What asset can NOT be created by using Design Center?

Select one of the following:

API
API Portals
Mule Apps
API Fragments

Explanation

Question 24 of 191

A flow has a JMS Publish consume operation followed by a JMS Publish operation. Both of these operations have the default configurations. Which operation is asynchronous and which one is synchronous?

Select one of the following:

Publish consume: Synchronous. Publish: Asynchronous.
Publish consume: Asynchronous. Publish: Synchronous.
Publish consume: Asynchronous. Publish: Asynchronous.
Publish consume: Synchronous. Publish: Synchronous.

Explanation

Question 25 of 191

What is the use of API Notebooks?

Select one of the following:

None of these
Test Policies
Test API functions
Test RAML

Explanation

Question 26 of 191

What is the DataWeave expression to log the Content-Type header using a Logger component?

Select one of the following:

#["Content-Type: " ++ attributes.headers.'content-type']
#["Content-Type: " ++ headers.'content-type']
#["Content-Type: " + headers.'content-type']
#["Content-Type: " + attributes.headers.'content-type']

Explanation

Question 27 of 191

What is the trait name you would use for specifying client credentials in RAML?

Select one of the following:

headers
client-id
client-id-required
we do not specify in RAML

Explanation

Question 28 of 191

What is the purpose of API autodiscovery?

Select one of the following:

Enables API Manager to discover the published API on Anypoint Exchange.
Allows a deployed Mule application to connect with API Manager to download policies and act as its own API proxy.
Enables an API to be directly managed in API Manager.
Allows the Mule application to be automatically discovered on Anypoint Exchange.

Explanation

Question 29 of 191

What is NOT part of a Mule 4 event?

Select one of the following:

Attributes
Payload
inboundProperties
Message

Explanation

Question 30 of 191

What is the main purpose of flow designer in Design Center?

Select one of the following:

To design and develop fully functional Mule applications in a hosted development environment.
To design API RAML files in a graphical way.
To design and mock Mule application templates that must be implemented using Anypoint Studio.
To define API lifecycle management in a graphical way.

Explanation

Question 31 of 191

What DataWeave 2.0 type can be used as input to a mapObject operation?

Select one of the following:

Array
Object
String
Map

Explanation

Question 32 of 191

Why would you use SOAP instead of HTTP?

Select one of the following:

If the architecture mandates.
It is up to the integration specialist.
Successful/retry logic for reliable messaging functionality.
It is part of agile methodology.

Explanation

Question 33 of 191

What does the Mule runtime use to enforce policies and limit access to APIs?

Select one of the following:

API Manager
The proxy created by API Manager
The Mule runtime's embedded API Gateway
Anypoint Access Control

Explanation

Question 34 of 191

Which keyword do you use to create a new function in DataWeave?

Select one of the following:

function
fun
func
None of these

Explanation

Question 35 of 191

What are the features of CloudHub Fabric?

Select one of the following:

Non-persistent queue
Horizontal Scaling
VPN Mock Services
None of these

Explanation

Question 36 of 191

How many Mule applications can run on a CloudHub worker?

Select one of the following:

At most one
None of these
Depends
At least one

Explanation

Question 37 of 191

What is the purpose of the api:router element in APIkit?

Select one of the following:

Serves as an API implementation.
Validates requests against RAML API specifications and routes them to API implementations.
Creates native connectors using a 3rd party Java library.
Validates responses returned from API requests and routes them back to the caller.

Explanation

Question 38 of 191

When using MuleSoft’s API-led connectivity approach, what HTTP method in a RESTful web service is generally recommended to be used to completely replace an existing resource?

Select one of the following:

GET
PATCH
POST
PUT

Explanation

Question 39 of 191

What module and operation will throw an error if a Mule event's payload is not a number?

Select one of the following:

Validation module's Is number operation
Filter module's Is number operation
None of these
Validation module's Is not a number operation

Explanation

Question 40 of 191

A Set Variable component saves the current payload to a variable. What is the DataWeave parent expression to access the variable?

Select one of the following:

#[value]
#[vars]
#[var]
#[values]

Explanation

Question 41 of 191

A batch job is defined by a Batch Job scope that contains three batch steps. The Batch Job scope and Batch Step scopes are configured with default acceptPolicy values. An event processor in the second Batch Step scope throws an error because the input data is incomplete. What is the default behavior of the batch job after the error is thrown?

Select one of the following:

The Batch Job scope stops processing all records
The second Batch Step scope is retried with the same data
All existing in-flight records are discardeed, but new records are still passed to the first Batch Step scope and processed.
The second Batch Step scope’s error is reversed and the repaired records are passed to the third Batch Step scpoe for processing.

Explanation

Question 42 of 191

What does the minus operator do in DataWeave?

Select one of the following:

Decrements the value by one.
Removes items from a list.
Increments the value by one.
Removes characters from a string.

Explanation

Question 43 of 191

What MuleSoft API-led connectivity layer is intended to expose part of a backend database without business logic?

Select one of the following:

Data layer
System layer
Process layer
Experience layer

Explanation

Question 44 of 191

How does Runtime Manager Console connect with App Data and Logs of a Mule app?

Select one of the following:

None of these
Integration Apps
CloudHub Workers
Rest API

Explanation

Question 45 of 191

Where does a deployed flow designer application run in Anypoint Platform?

Select one of the following:

CloudHub worker
API Manager
Design Center
Exchange

Explanation

Question 46 of 191

What is the minimum required configuration in a flow for a Mule application to compile?

Select one of the following:

An event source
RAML file
An event processor
Logger Component

Explanation

Question 47 of 191

Where would you create SLA Tiers for an API?

Select one of the following:

Exchange
API Manager
Anypoint MQ
Within the API

Explanation

Question 48 of 191

What DataWeave 2.0 type can be used as input to a map operation?

Select one of the following:

Object
Array
String
Map

Explanation

Question 49 of 191

What MuleSoft product enables publishing, sharing, and searching of APIs?

Select one of the following:

Runtime Manager
Exchange
API Notebook
API Designer

Explanation

Question 50 of 191

What does the zip operator do in DataWeave?

Select one of the following:

Minifies the size of value using encoding.
None of these.
Merges elements of two objects into a single object.
Merges elements of two lists (arrays) into a single list.

Explanation

Question 51 of 191

What is the face of CloudHub and integrates with Platform Services?

Select one of the following:

None of these
Runtime Manager Console
Integration Apps
CloudHub Workers

Explanation

Question 52 of 191

What is a core characteristic of the Modern API?

Select one of the following:

API is rapidly prototyped following AGILE methodology.
API follows the RESTful architecture.
API is designed first using an API specification for rapid feedback.
API has a mechanism to accept feedback and suggestions for improvement.

Explanation

Question 53 of 191

Anypoint MQ FIFO queues are limited to how many in flight messages per queue?

Select one of the following:

120000
10
100
1000

Explanation

Question 54 of 191

A Database On Table Row listener retrieves data from a CUSTOMER table that contains a primary key user_id column and an increasing login_date_time column. Neither column allows duplicate values. How should the listener be configured so it retrieves each row at most one time?

Select one of the following:

Set the watermark column to the login_date_time column
Set the target value to the last retrieved login_date_time value
Set the target value to the last retrieved user_id value
Set the watermark column to the user_id column

Explanation

Question 55 of 191

Refer to the exhibit.

The error occurs when a Mule project is imported into and run in Anypoint Studio. The Mule project has a dependency that is not in a MuleSoft Maven repository, but the Mule Project succesfully ran on the original computer where the Mule Project was developed.

What is the next step to fix the error to get the project to run successfully?

Select one of the following:

Ass the dependency to the MULE_HOME/bin folder
Edit the dependency in the Mule project’s pom.xml file
Deploy the dependency to MuleSoft’s Maven repository
Install the dependency to the computer’s local Maven repository

Explanation

Question 56 of 191

A company has an API to manage purchase orders, with each record identified by a unique purchase order ID. The API was built with RAML according to MuleSoft best practices. What URI should a web client use to request order PO5555?

Select one of the following:

/orders/{PO5555}
/orders/order=PO5555
/orders?order=PO5555
/orders/PO5555

Explanation

Question 57 of 191

A web client sends a request to http://localhost:8081?dept=sales. What is the correct DataWeave expression to access the value of dept?

Select one of the following:

attributes.queryParams.dept
attributes.dept
message.queryParams.dept
vars.dept

Explanation

Question 58 of 191

By default, what happens to a file after it is read using an FTP connector Read operation?

Select one of the following:

The file is moved to a different folder
The file stays in the same folder unchanged
The file is renamed in the same folder
The file is deleted from the folder

Explanation

Question 59 of 191

Refer to the exhibits.

In the requestFlow an HTTP Request operation is configured to send an HTTP request with an XML payload. The request is sent to the HTTP Listener in the transformFlow. That flow transforms the incoming payload into JSON format and returns the response to the HTTP request. The response of the request is stored in a target variable named theResult. What is the payload at the Logger component after the HTTP Request?

Select one of the following:

A non-empty Java object
The original XML payload
The returned JSON response
null

Explanation

Question 60 of 191

What execution model is used by For Each and Batch Job scopes?

Select one of the following:

Both are multi-threaded
Both are single-threaded
Batch Job is single-threaded and For Each is multi-threaded
For each is single-threaded and Batch Job is multi-threaded

Explanation

Question 61 of 191

A function named newProdCode needs to be defined that accepts two input parameters, an integer value for ItemID and a string value for productCategory, and returns a new product code. What is the correct DataWeave code to define the newProdCode function?

Select one of the following:

fun newProdCode(itemID: Number, productCategory: String) = "PC?" ++ productCategory ++ (itemID as String)
var newProdCode(itemID: Number, productCategory: String) -> "PC-" ++ productCategory ++ (itemID as String)
fun newProdCode(itemID: Number, productCategory: String) -> "PC-" ++ productCategory ++ (itemID as String)
function newProdCode(itemID: Number, productCategory: String) = "PC-" ++ productCategory ++ (itemID as String)

Explanation

Question 62 of 191

Refer to the exhibit.

What can be added to the flow to persist data across different flow executions?

Select one of the following:

Properties of the Mule runtime app object
Key-value pairs in the ObjectStore
Session variables
Properties of the Mule runtime flow object

Explanation

Question 63 of 191

Refer to the exhibits.

A web client sends a new order record {“oid”: “100”, “custId”: “annie@acme.com”, “status”: “NEW ORDER”} in the payload of a POST request to the Mule application. What value must be used in the Input Parameters field of the Database Insert operation to properly pass the order record values to the SQL statement?

Select one of the following:

"#[
{
oid: payload.oid,
custId: payload.custId,
status: payload.status
}
]"
"#[
{
orderId: payload.oid,
customerName: payload.custId,
status: payload.status
}
]"
"#[
inputParams: [
payload.oid,
payload.custId,
payload.status
]
]"
"#[
[
payload.oid,
payload.custId,
payload.status
]
]"

Explanation

Question 64 of 191

Refer to the exhibits.

The main flow contains an HTTP Request. The HTTP Listeners and HTTP Request use default configurations. A web client sends a GET request to the main flow's HTTP Listener that includes a modelName query parameter. What values are accessible in the child flow?

Select one of the following:

payload
payload modelName query param
payload planeModel var
payload modelName query param planeModel var

Explanation

Question 65 of 191

Refer to the exhibit.

In the execution of the Scatter-Gather, the ‘sleep 1 sec’ Flow Reference takes about 1 second to complete, and the ‘sleep 5 secs’ Flow Reference takes about 5 seconds to complete. About how many seconds does it take from the time the Scatter-Gather is called until Set Payload transformer is called?

Select one of the following:

Explanation

Question 66 of 191

Refer to the exhibits.

The Mule application has multiple HTTP Listeners contained in various configuration XML files. Each HTTP Listener is configured with the same host and with the port number, path, and operation shown in its display name. What is the minimum number of global elements that must be defined to support all these HTTP Listeners?

Select one of the following:

Explanation

Question 67 of 191

To avoid hard-coding values, a flow uses some property placeholders and the corresponding values are stored in a configuration file. Where does the configuration file's location need to be specified in the Mule application?

Select one of the following:

A global element
The mule-artifact.json file
A flow attribute
The pom.xml file

Explanation

Question 68 of 191

Refer to the exhibits.

The Set Payload transformer's value is set to {'year': '2020'}. What message value should be added to the Logger component to output the message “The year is 2020”, without hardcoding 2020?

Select one of the following:

‘The year is #[payload.year]’
‘#[The year is $(payload.year)]’
‘#[‘The year is ++ payload.year’]’
‘#[‘The year is ‘ + payload.year]’

Explanation

Question 69 of 191

Refer to the exhibit.

What is the correct syntax to add a customer ID as a URI parameter in an HTTP Listener path?

Select one of the following:

(customerID)
#[customerID]
{customerID}
${customerID}

Explanation

Question 70 of 191

Refer to the exhibits.

A web client sends a POST request to the HTTP Listener and the Validation component in the Try scope throws an error. What response message is returned to the web client?

Select one of the following:

Validation Error
'END''
''ERROR1''
''ERROR2''

Explanation

Question 71 of 191

In a RAML specification, what attribute defines a query parameter to be optional for a resource?

Select one of the following:

required: false
optional: true
provided: false
mandatory: false

Explanation

Question 72 of 191

Refer to the exhibits.

A web client sends a POST request to the HTTP Listener with the payload `Hello-`. What response is returned to the web client?

Select one of the following:

Hello-HTTP-JMS2-Three
HTTP-JMS2-Three
Hello-JMS1-HTTP-JMS2-Three
Hello-HTTP-Three

Explanation

Question 73 of 191

A Mule application has been deployed to CloudHub and now needs to be governed. IT will not allocate additional vCores for a new Mule application to act as an API proxy. What should be done to or with the Mule application to preserve the current vCore usage while still allowing the Mule application to be managed by API Manager?

Select one of the following:

Modify the Mule application to use autodiscovery to register with API Manager
Deploy the Mule application behind a VPC and configure the VPC to connect to API Manager
Upload the Mule application’s JAR file to the API instance in API Manager
Register the same Mule application in Runtime Manager to connect to API Manager

Explanation

Question 74 of 191

Refer to the exhibit.

This RAML specification includes a resource and method to retrieve accounts by account_type and industry. What is the correct URI to get all retail finance accounts?

Select one of the following:

/accounts?account_type:retail&industry:finance
/accounts/retail/finance
/accounts/account_type=retail/industry=finance
/accounts?account_type=retail&industry=finance

Explanation

Question 75 of 191

Refer to the exhibits.

This Mule application has an HTTP Request that is configured with hardcoded values. To change this, the Mule application is configured to use a properties file named config.yaml. To what valid expression can the HTTP Request host value be set to so that it is no longer hardcoded?

Select one of the following:

${training:host}
#[training:host]
${training.host}
#[training.host]

Explanation

Question 76 of 191

Refer to the exhibits.

The main flow contains an HTTP Request in the middle of the flow. The HTTP Listeners and HTTP Request use default configurations. A web client sends a GET request to the main flow's HTTP Listener. The GET request includes query for the pedigree of a piano. What values are accessible to the Logger component at the end of the main flow?

Select one of the following:

payload
payload pedigree query params
payload producer var
payload pedigree query params producer var

Explanation

Question 77 of 191

Refer to the exhibits.

The web client sends a POST request to the ACME Order API with an XML payload. An error is returned. What should be changed in the request so that a success response code is returned to the web client?

Select one of the following:

Set a request header with the name Content-Type to a value of application/octet-stream
Set a request header with the name Content-Type to a value of application/xml
Set a response header with the name Content-Type to a value of application/xml
Set a response header with the name Content-Type to a value of application/octet-stream

Explanation

Question 78 of 191

Refer to the exhibits.

Each route in the Scatter-Gather sets the payload to the number shown in the label. What response is returned to a web client request to the HTTP Listener?

Select one of the following:

[
{
"attributes": ...,
"payload": "100"
},
{
"attributes": ...,
"payload": "200"
}
]
{
"0": "100",
"1": "200"
}
["100", "200"]
{
"0": {
"attributes": ...,
"payload": "100"
},
"1": {
"attributes": ...,
"payload": "200"
}
}

Explanation

Question 79 of 191

Refer to the exhibits.

The input array of strings is processed by the batch job that processes, filters, and aggregates the values. What is the last message logged by the Logger component after the batch job completes processing?

Select one of the following:

[["A", "C", "D"], ["E"]]
[''E'']
[''D", "E"]
["A", "C, "D", "E"]

Explanation

Question 80 of 191

Refer to the exhibit.

The Mule application is debugged in Anypoint Studio and stops at the breakpoint. What is the value of the payload displayed in the debugger at this breakpoint?

Select one of the following:

0
"Processing"
"Start"
"Complete"

Explanation

Question 81 of 191

Refer to the exhibits.

A web client sends a GET request that includes a destination query parameter to the flow's HTTP Listener. The Web Service Consumer throws a WSC:BAD_REQUEST error. What should be set in the getFlights Flow to fix this error?

Select one of the following:

A header in the Consume operation equal to the destination query parameter
A SOAP payload before the Consume operation that contains the destination query parameter
A property in the Consume operation equal to the destination query parameter
A JSON payload before the Consume operation that contains the destination query parameter

Explanation

Question 82 of 191

An SLA-based policy has been enabled in API Manager. What should now be changed in the RAML specification and/or the API proxy to enforce the new SLA-based policy?

Select one of the following:

Restart the API proxy to clear the API policy cache
Add new property placeholders and redeploy the API proxy
Add required headers to the RAML specification and redeploy the new API proxy
Add new environment variables and restart the API proxy

Explanation

Question 83 of 191

A client submits a GET request to a Mule 4 application to the endpoint /customers?id=48493. Where is the ID in the Mule event by the HTTP Listener?

Select one of the following:

Inbound Properties
Variables
Attributes
Payload

Explanation

Question 84 of 191

Refer to the exhibit.

What DataWeave expression transforms the conductorIds array to the XML output?

Select one of the following:

{
trains: conductorIds map ( (engId, index) ->
train: {
engineerId: engId
}
)
)}
trains:
{(
conductorIds map ( (engId, index) ->
train: {
engineerId: engId
}
)
)}
{(
trains: conductorIds map ( (engId, index) ->
train: {
engineerId: engId
}
)
)}
trains:
conductorIds map ( (engId, index) ->
train: {
engineerId: engId
}
)

Explanation

Question 85 of 191

Refer to the exhibit.

The input array of strings is passed to the batch job, which does NOT do any filtering or aggregating. What payload is logged by the Logger component?

Select one of the following:

Summary report of processed records
["Apple", "Banana"]
["Apple12", "Banana12"]
["Apple1", "Banana1", 2]

Explanation

Question 86 of 191

Refer to the exhibits.

The <when> expression for the Choice router needs to be written. What is a valid <when> expression to route Mule events to the non-default flow?

Select one of the following:

#[ ‘MuleSoft’ == payload.’company’ ]
#[ if ( ‘MuleSoft’ == payload.company ) ]
#[ company = "MuleSoft" ]
#[ if( company = "MuleSoft" ) ]

Explanation

Question 87 of 191

Refer to the exhibit.

A Mule event is composed of a hierarchy of objects. Where in the hierarchy are variables stored?

Select one of the following:

Mule message attributes
Mule message
Mule message payload
Mule event

Explanation

Question 88 of 191

Refer to the exhibits.

A company has defined this Book data type and Book example to be used in APIs. What is valid RAML for an API that uses this Book data type and Book example?

Select one of the following:

#%RAML 1.0
title: Books

Book: BookDataType.raml

/books:
post:
body:
application/json:
type: Book
examples:
input: BookExample.raml
responses:
201:
body:
application/json:
example:
message: Book added
#%RAML 1.0
title: Books

Book: !include BookDataType.raml

/books:
post:
body:
application/json:
type: Book
examples:
input: !include BookExample.raml
responses:
201:
body:
application/json:
example:
message: Book added
#%RAML 1.0
title: Books

types:
Book: ABC/DataTypes/BookDataType.raml

/books:
post:
body:
application/json:
type: Book
examples:
input: ABC/examples/BookExample.raml
responses:
201:
body:
application/json:
example:
message: Book added
#%RAML 1.0
title: Books

types:
Book: !include BookDataType.raml

/books:
post:
body:
application/json:
type: Book
examples:
input: !include BookExample.raml
responses:
201:
body:
application/json:
example:
message: Book added

Explanation

Question 89 of 191

Refer to the exhibits.

A web client sends a GET request to the HTTP Listener. What response message is returned to the web client?

Select one of the following:

""
"End"
"Start"
"String is not blank"

Explanation

Question 90 of 191

What asset can NOT be created using Anypoint Platform Design Center?

Select one of the following:

API Specifications
Mule Applications
API Fragments
API Portals

Explanation

Question 91 of 191

What message processor can set the HTTP response status code to 200?

Select one of the following:

Variable
Set Payload
Property
Record Variable
Attachment

Explanation

Question 92 of 191

Refer to the exhibit.

How many private flows does APIkit generate from the RAML specification?

Select one of the following:

Explanation

Question 93 of 191

A Mule application properties file named training-DEV.properties has been defined. How is the properties file referenced in the Mule application?

Select one of the following:

In an attribute in the main mule element
In a Property Placeholder element
As a -M-D placeholder when starting the Mule runtime
In an attribute in the HTTP Listener element

Explanation

Question 94 of 191

A development team is developing a mobile banking app. It took them two months to create their own APIs to access transaction information from a central database. The app team later found out that another team had already built an API that accesses the transaction information they need. According to MuleSoft, what organization structure could have saved the app team two months of development time?

Select one of the following:

Center for Enablement
Center of Excellence
Central API Review Board
MuleSoft Support Center

Explanation

Question 95 of 191

Refer to the exhibits.

A web client sends a GET request to the HTTP Listener and the HTTP Request throws an error. What payload and status code are returned to the web client.

Select one of the following:

Response body: "START" Default response status code: 200
Response body: "ERROR1" Default response status code: 200
Response body: "END" Default response status code: 200
Error response body: error.description Default error response status code: 500

Explanation

Question 96 of 191

According to MuleSoft, what is the first step to create a Modern API for use in an application network?

Select one of the following:

Performance tune and optimize the backend systems and network
Create an API specification and get feedback from stakeholders
Create a prototype of the API implementation
Gather a list of requirements to secure the API

Explanation

Question 97 of 191

What is the format of documents exchanged in a SOAP request/response interaction?

Select one of the following:

RAML
JSON
WSDL
YAML

Explanation

Question 98 of 191

A Mule project contains a DataWeave module called MyModule.dwl that defines a function named formatString. The module is located in the project's src/main/ resources/modules folder. What is the correct way in DataWeave code to import MyModule using a wildcard and then call the module's formatString function?

Select one of the following:

%dw 2.0
output application/json
import * from modules::MyModule
---
MyModule::formatString("annie point")
%dw 2.0
output application/json
import * from modules.MyModule
---
MyModule.formatString("annie point")
%dw 2.0
output application/json
import * from modules::MyModule
---
MyModule.formatString("annie point")
%dw 2.0
output application/json
import * from modules.MyModule
---
formatString("annie point")

Explanation

Question 99 of 191

What is the maximum number of Mule applications that can run in a Cloud Hub Worker?

Select one of the following:

Explanation

Question 100 of 191

Refer to the exhibits.

The Validation component in the private flow throws an error. What response message is returned to a web client request to the main flow's HTTP Listener?

Select one of the following:

“Error - private flow”
“Validation Error”
”Error – main flow”
“Success - main flow”

Explanation

Question 101 of 191

Refer to the exhibits.

What payload and quantity are logged at the end of the main flow?

Select one of the following:

[[order1, order2, order3, order4], 14]
[[1,2,3,4], 10]
[[1,2,3,4], 14]
[order1order2order3order4, 14]

Explanation

Question 102 of 191

A web client submits a request to http://localhost:8081/books/0471767840. The value “0471767840” is captured by a Set Variable transformer to a variable named bookISBN. What is the DataWeave expression to access bookISBN later in the flow?

Select one of the following:

attributes.bookISBN
flowVars.bookISBN
vars.bookISBN
bookISBN

Explanation

Question 103 of 191

In what file does the Mule project keep track of all of its dependencies?

Select one of the following:

mule-artifact.json
Pom.xml
mule-app.properties
global.xml

Explanation

Question 104 of 191

Refer to the exhibit.

What data is expected by the POST /accounts endpoint?

Select one of the following:

<item>
<id>48292</id>
<name>Geordi La Forge</name>
<address>1 Forge Way, Midgard, CA 95928</address>
<customer_since>2014-01-04</customer_since>
<balance>4829.29</balance>
</item>
<item>
<name>Geordi La Forge</name>
<address>1 Forge Way, Midgard, CA 95928</address>
<customer_since>2014-01-04</customer_since>
<balance>4829.29</balance>
<bank_agent_id>48SJT-282924-KL</bank_agent_id>
</item>
{
"name": "Geordi La Forge",
"address": "1 Forge Way, Midgard, CA 95928",
"customer_since": "2014-01-04",
"balance": 4829.29,
"bank_agent_id": "48SJT-282924-KL"
}
{
"id": "48292",
"name": "Geordi La Forge",
"address": "1 Forge Way, Midgard, CA 95928",
"customer_since": "2014-01-04",
"balance": 4829.29
}

Explanation

Question 105 of 191

Refer to the exhibits.

A web client sends a POST request with the payload { 'oid': '1000'. 'itemid': 'AC200', 'qty': '4' } to the Mule application. The File Write operation throws a FILE:CONNECTIVITY error. What response message is returned to the web client?

Select one of the following:

"FILE:CONNECTIVITY"
"ORDER:NOT_CREATED"
"OTHER ERROR"
"File written"

Explanation

Question 106 of 191

What statement is part of MuleSoft's description network?

Select one of the following:

Create reusable APIs and assets designed to be consumed by other business units
Create and manage high availability and fault tolerent services and infrastructure
Central IT delivers complete point-to-point solutions with master data management
Create and manage a collection of JMS messaging services and infrastructure

Explanation

Question 107 of 191

Refer to the exhibits.

The Set Payload transformer in the addItem child flow uses DataWeave to create an order object. What is the correct DataWeave code for the Set Payload transformer in the createOrder flow to use the addItem child flow to add a router cal with the price of 100 to the order?

Select one of the following:

lookup( "addltem", { price: "100", item: "router", itemType: "cable" } )
lookup( "addltem", { payload: { price: "100", item: "router", itemType: "cable" } > )
addltem( { payload: { price: "100", item: "router", itemType: "cable" > } )
addltem( { price: "100", item: "router", itemType: "cable" } )

Explanation

Question 108 of 191

Refer to the exhibits.

A JSON payload is set in the Set Payload transformer. What is logged by the Logger?

Select one of the following:

"String"
"Object"
"Array"
"JSON"

Explanation

Question 109 of 191

Refer to the exhibits.

A web client sends sale data in a POST request to the Mule application. The Transform Message component then enriches the payload by prepending a vendor name to the sale data. What is written to the sales.csv file when the flow executes?

Select one of the following:

The enriched payload in JSON format
The enriched payload in XML format
The enriched payload in CSV format
An error message

Explanation

Question 110 of 191

Refer to the exhibit.

What DataWeave expression transforms the example XML input to the CSV output?

Select one of the following:

payload.sale.*item map ( (value,index) -> {
index: index,
sale: value.@saleId,
itemName: value.desc,
itemPrice: (value.price) * (value.quantity),
item: value.@itemId
})
payload.sale.*item map ( (value,index) -> {
index: index,
sale: value.@saleId,
itemName: value.desc,
itemPrice: (value.price) * (value.quantity),
item: value.itemId
})
payload.sale.item map ( (value,index) -> {
index: index,
sale: value.@saleId,
itemName: value.desc,
itemPrice: (value.price) * (value.quantity),
item: value.@itemId
})
payload.sale.item map ( (value,index) -> {
index: index,
sale: value.saleId,
itemName: value.desc,
itemPrice: (value.price) * (value.quantity),
item: value.itemId
})

Explanation

Question 111 of 191

An inbound Database connector is configured to select rows from a MySQL database. What is the format of results returned from the database query?

Select one of the following:

Java
JSON
XML
CSV

Explanation

Question 112 of 191

Refer to the exhibits.

The Mule application contains a Choice router. What is logged when the flow completes?

Select one of the following:

US
"REGION"
EU
["US", "EU"]

Explanation

Question 113 of 191

A RAML example fragment named BankAccountsExample.raml is placed in the examples folder in an API specification project. What is the correct syntax for to reference the fragment?

Select one of the following:

example: !include BankAccountsExample.raml
example: #import BankAccountsExample.raml
example: !include examples/BankAccountsExample.raml
example: #import examples/BankAccountsExample.raml

Explanation

Question 114 of 191

Determine which response message is allowed to pass back from the API backend service. What happens to the outbound properties of a Mule message after completing an outbound HTTP Request?

Select one of the following:

New outbound properties are added from the HTTP response headers
Previous outbound properties are passed through unchanged
Outbound properties are replaced with all the previous inbound properties
All previous outbound properties are removed

Explanation

Question 115 of 191

Refer to the exhibits.

The main flow contains a Flow Reference to the child flow. A web client sends a GET request to the main flow's HTTP Listener that includes a make query parameter. What values are accessible in the child flow?

Select one of the following:

payload
payload make query param
payload model var
payload make query param model var

Explanation

Question 116 of 191

Refer to the exhibit.

The Database Select operation returns five rows from a database. What is logged by the Logger component?

Select one of the following:

"Array"
"Object"
"LinkedHashMap"
"CaseInsensitiveHashMap"

Explanation

Question 117 of 191

A company has an API to manage departments, with each department identified by a unique deptId. The API was built with RAML according to MuleSoft best practices. What is valid RAML to specify a method to update the details for a specific department?

Select one of the following:

/departments:
/deptId:
patch:
/departments:
patch:
/deptId:
/departments:
patch:
queryParameters:
deptId:
/departments:
/{deptId}:
patch:

Explanation

Question 118 of 191

What is the purpose of the router element in APIkit?

Select one of the following:

Routes requests to API implementations, but does not validate them against RAML API specifications
Routes responses to the caller, but does not validate them against RAML API specifications
Validates requests against RAML API specifications and routes them to API implementations
Validates responses returned from API requests and routes them to the caller.

Explanation

Question 119 of 191

What out-of-the-box policy can safeguard against Denial of Service type attacks?

Select one of the following:

Rate limiting
Throttling
Cross-origin resource sharing
LDAP security manager

Explanation

Question 120 of 191

What file type is required to configure a Web Service Consumer to consume a SOAP web service?

Select one of the following:

RAML
WSDL
JSON
OAS

Explanation

Question 121 of 191

Refer to the exhibit. The API specification supports searching for articles on the searchworld.org site. What is the most idiomatic (used for its intended purpose) URL and method to retrieve articles about "einstein" in XML format?

Select one of the following:

https://www.searchworld.org/s/api.php?action=search&query=einstein&format=xml
(GET - AUTH)
https://www.searchworld.org/s/api.php?query=einstein&format=xml
(GET - AUTH)
https://www.searchworld.org/s/api.php?action=search&query=einstein&format=xml
(GET)
https://www.searchworld.org/s/api.php?action=search&query=einstein&format=xml
(POST - AUTH)

Explanation

Question 122 of 191

Refer to the exhibit. What is the correct URL to submit a GET request to /patients?

Select one of the following:

http://dev.acme.com/patients?year=2016
http://dev.acme.com/api/patients
http://dev.acme.com/patients
http://dev.acme.com/api/patients?year=2016

Explanation

Question 123 of 191

Refer to the exhibit.

#%RAML 1.0
version: v1
title: American Flight API

/flights:
get:
/{flight_id}:
get:

This RAML file generates an error. What needs to be done to make this valid RAML?

Select one of the following:

Remove the blank line on row 7
Enclose the {flight_id} resource in parentheses () instead of curly braces {}
Indent the get method under {flight_id} resource
Outdent the {flight_id} resource

Explanation

Question 124 of 191

Refer to the exhibits. What is the syntax to define this datatype in RAML?

Select one of the following:

music: collection: Classic Rock artists: - Deep Purple - Rainbow
music: collection: Classic Rock artists: Deep Purple Rainbow
music: collection: Classic Rock artists: Deep Purple, Rainbow
music: collection: Classic Rock artists: artist: Deep Purple artist: Rainbow

Explanation

Question 125 of 191

What reserved property can be used in a Mule application to allow an HTTPS Listener to be accessed by external web clients after the Mule application is deployed to CloudHub?

Select one of the following:

${ssl.port}
${ssl.listener.port}
${https.listener.port}
${https.port}

Explanation

Question 126 of 191

What port number is used to expose the domain URL of a Mule application deployed to CloudHub?

Select one of the following:

8081
81
80
8080

Explanation

Question 127 of 191

What is NOT a role of an API proxy application running in a Mule runtime?

Select one of the following:

Determine which request message is allowed to pass through to the API backend service
Apply runtime policies to enforce governance
Measure the traffic flowing through to the API backend service
Determine which response message is allowed to pass back from the API backend service

Explanation

Question 128 of 191

A web service implements an API to handle requests to http://acme.com/customers/{state}. A web client makes a request to this API implementation at http://acme.com/customers/CA. What is the correct DataWeave expression to retrieve the value CA?

Select one of the following:

#[message.payload.inboundProperties.'http.uri.params'.state]
#[attributes.uriParams.state]
#[attributes.'http.uri.params'.state]
#[message.inboundProperties.'http.uri.params'.state]
#[state]

Explanation

Question 129 of 191

What is the correct MEL expression to retrieve the value CA?

Select one of the following:

#[message.payload.inboundProperties.'http.query.params'.state]
#[message.inboundProperties.'http.uri.params'.state]
#[message.payload.inboundProperties].
#[message.inboundProperties.state]

Explanation

Question 130 of 191

What property of a Mule message is immutable?

Select one of the following:

Attachments
Outbound properties
Session variables
Payload
Inbound properties
Flow variables

Explanation

Question 131 of 191

A Mule application has two flows named parentFlow and childFow. A flow variable is defined in parentFlow. What is the scope of the flow variable when the parentFlow calls childFlow using a flow reference?

Select one of the following:

The flow variable is accessible in childFlow but is immutable
The flow variable is accessible in childFlow, can be changed, and changes are seen back in parentFlow
The flow variable is NOT accessible in childFlow
The flow variable is accessible in childFlow, can be changed, but changes are NOT seen back in parentFlow

Explanation

Question 132 of 191

What is true for a Mule subflow?

Select one of the following:

It can have its own exception strategy
It is executed synchronously
An external client can send messages directly to it
It must be in the same configuration file as the parent flow

Explanation

Question 133 of 191

What is the default processing strategy of a one-way flow?

Select one of the following:

Queued-asynchronous
Synchronous
Non-blocking
Thread-per-processor
Queued-thread-per-processor

Explanation

Question 134 of 191

What is required for two Mule applications to share data using a VM connector component?

Select one of the following:

Put the Mule applications in the same Anypoint Platform environment
Put the Mule applications in the same Anypoint Platform business group
Put the Mule applications in the same non-default Mule domain
Put the Mule applications in the same default Mule domain

Explanation

Question 135 of 191

A WSDL defines a conversionRate operation with an input message that requires two parts: fromCurrency and toCurrency. How are fromCurrency and toCurrency set in the flow in order to call the conversionRate operation using a Web Service Consumer component?

Select one of the following:

In two flow variables
As outbound properties
As inbound properties
In the message payload
As attachments

Explanation

Question 136 of 191

What is NOT a way to pass data to a RESTful web service in a flow using an outbound HTTP Request component?

Select one of the following:

Set URI parameters in the HTTP Request component
Set inbound properties before the HTTP Request component
Set query parameters in the HTTP Request component
Set outbound properties before the HTTP Request component

Explanation

Question 137 of 191

An exception is caught by a choice exception strategy. How is the exception routed?

Select one of the following:

To all exceptions whose conditions evaluate to true
To the first exception strategy whose condition evaluates to true
To the first exception strategy whose condition evaluates to true and to the default exception strategy
To the first exception strategy whose condition evaluates to true and to the global exception strategy

Explanation

Question 138 of 191

How is a default exception strategy set in a Mule application?

Select one of the following:

In a configuration global element in any Mule configuration XML file
In the mule-app.properties file
As an attribute of one or more flow configuration elements in one or more Mule configuration XML files
As an attribute of a global exception strategy
As a JVM system environment variable

Explanation

Question 139 of 191

How are conditions used in a Choice flow control?

Select one of the following:

To find the first true condition, then routes the message to that and all subsequent target message processors.
To select a set of target message processors to which to route the same message
To find the first true condition, then routes the message to the matched Choice target message processor
To select from the responses after routing the message to every Choice target message processor

Explanation

Question 140 of 191

A Scatter-Gather flow control sends the inbound message to three separate HTTP re-quests. Each request returns a JSON object. What is the final output of the Scatter-Gather flow control?

Select one of the following:

An array of JSON objects
An array of array objects
An object that contains JSON objects
The last JSON object

Explanation

Question 141 of 191

How is a data collection routed in a Scatter-Gather flow control?

Select one of the following:

The entire message is sent to each route and processed sequentially
The message is split and different pieces are routed and processed in parallel
The message is split and different pieces are routed and processed sequentially
The entire message is sent to each route and processed in parallel

Explanation

Question 142 of 191

A Payload filter is configured to test for type java.lang.String. What happens when the filter is passed a message with the payload null?

Select one of the following:

The Mule application stops
The message is replayed from the start of the flow
The message is passed to subsequent message processors
All subsequent message processors are skipped

Explanation

Question 143 of 191

What message processor will throw an exception if a message payload is not a number?

Select one of the following:

Is Number validator
Is Not Number validator
Is Number filter
Is Not Number filter

Explanation

Question 144 of 191

A Mule flow has a JMS queue listener as the message source. Where can the next message processor access a JMS message's header?

Select one of the following:

Outbound property
Inbound property
Payload
Attachment
Flow variable

Explanation

Question 145 of 191

What part of a Mule flow can contain a Poll scope?

Select one of the following:

Async scope
Message source
For Each scope
Message Enricher scope

Explanation

Question 146 of 191

How is a Poll scope's watermark accessed from a message processor in a flow?

Select one of the following:

In a session variable
In an outbound property
In an inbound property
In a flow variable
In a header

Explanation

Question 147 of 191

A File connector is configured to read files from a /mule/input directory. All other File connector settings are the default settings. What happens to a file after it is processed by the File connector?

Select one of the following:

The file is moved to /mule/output
The file is deleted from the input directory, but is not moved anywhere
The file is moved to /tmp
The file stays in the input directory

Explanation

Question 148 of 191

What phase of a batch job using a Batch scope must contain at least one message processor?

Select one of the following:

Input
Load and Dispatch
Process Records
On Complete

Explanation

Question 149 of 191

A message payload is modified using a Message Enricher scope with an empty target. What is true about the message payload that leaves the Message Enricher scope?

Select one of the following:

The payload is changed to the modified payload
The modified payload is stored in a flow variable
The modified payload is stored as an inbound property
The payload returns to the original payload
The modified payload is stored as an outbound property

Explanation

Question 150 of 191

A Batch scope has three batch steps. A message processor in the second batch step throws an exception because the input data is incomplete. What is the default behavior after the exception is thrown?

Select one of the following:

Continues to the third batch step
Stops processing the entire batch job
Retries the second batch step
Retries the first batch step

Explanation

Question 151 of 191

What is the scope of a record variable in a Batch scope?

Select one of the following:

In a single batch step, but not in the other batch steps
In all batch steps, but not in the On Complete phase
In the message source, each batch step, and the On Complete phase
In all batch steps, and the On Complete phase

Explanation

Question 152 of 191

An API has been created in Design Center. What is the next step to make the API discoverable?

Select one of the following:

Deploy the API to a Maven repository
Enable autodiscovery in API Manager
Publish the API from inside flow designer
Publish the API to Anypoint Exchange

Explanation

Question 153 of 191

What is NOT part of a Mule 4 event?

Select one of the following:

Message
Payload
OutboundProperties
Attributes

Explanation

Question 154 of 191

How does APIkit determine the number of flows to generate from a RAML specification?

Select one of the following:

Creates a separate flow for each resource
Creates a separate flow for each resource that contains child resources
Creates a separate flow for each HTTP method
Creates one flow for the entire API spec
Creates a separate flow for each response status code

Explanation

Question 155 of 191

API Manager has been configured to enforce an SLA policy and the RAML spec has been updated with the required client_id and client_secret header requirements. The new RAML spec has been published to Anypoint Exchange. What is the next step to gain access to the API?

Select one of the following:

POST a JSON object to the /api/register endpoint of the API proxy
Request access to the API in Anypoint Exchange
Email the organization administrators to request access to the API
Add a client application to the Anypoint Platform organization

Explanation

Question 156 of 191

What happens to the attributes of a Mule event in a flow after an outbound HTTP Request is made?

Select one of the following:

New attributes may be added from the HTTP response headers, but no headers are ever removed
Previous attributes are passed unchanged
Attributes do not change
Attributes are replaced with new attributes from the HTTP Request response (which might be null)

Explanation

Question 157 of 191

A Set Variable component saves the current payload to a variable with the name: images. What is the DataWeave expression to access the images variable?

Select one of the following:

#[payload.images]
#[images]
#[flowVars.images]
#[vars.images]

Explanation

Question 158 of 191

A flow contains an HTTP Listener as the event source. What is the DataWeave expression to log the Content-Type header using a Logger component?

Select one of the following:

#["Content-Type: " ++ attributes.headers.'content-type']
#["Content-Type: " + headers.'content-type']
#["Content-Type: " + attributes.headers.'content-type']
#["Content-Type: " ++ headers.'content-type']

Explanation

Question 159 of 191

A Mule application has two flows named parentFlow and childFlow. The childFlow begins with an HTTP Listener. A variable is defined in parentFlow, then an HTTP Request is made to childFlow's HTTP Listener with some headers set. What is the scope of the variable and attributes in the parentFlow after childFlow returns a response?

Select one of the following:

The variable is accessible. All the attributes passed to childFlow are removed or replaced.
The variable is NOT accessible. All the attributes passed to childFlow are removed or replaced.
The variable is NOT accessible. All the attributes passed to childFlow are preserved.
The variable is accessible. All the attributes passed to childFlow are preserved.

Explanation

Question 160 of 191

A Mule application has a flow named parentFlow. The parentFlow contains an HTTP Re-quest operation at the end of the flow. The parentFlow also contains a Set Variable operation right before the HTTP Request operation. What is the scope of the variable to the ser-ver receiving the HTTP Request from parentFlow?

Select one of the following:

The variable is accessible in the server but is immutable
The variable is accessible in the server, can be changed, and changes are seen back in parentFlow
The variable is NOT accessible in the server
The variable is accessible in the server, can be changed, but changes are NOT seen back in parentFlow

Explanation

Question 161 of 191

A Mule application has two flows named parentFlow and childFlow. A variable is defined in parentFlow. What is the scope of the variable when the parentFlow calls childFlow using a Flow Reference?

Select one of the following:

The variable is accessible in childFlow but is immutable
The variable is accessible in childFlow, can be changed, and changes are seen back in parentFlow
The variable is NOT accessible in childFlow
The variable is accessible in childFlow, can be changed, but changes are NOT seen back in parentFlow

Explanation

Question 162 of 191

Refer to the exhibit. In the deployable archive's /classes folder, there are two properties files named dev.properties and prod.properties. The Mule application fails to deploy to CloudHub through Runtime Manager with the following error message. What could be causing this error?

Select one of the following:

error: ${env}.properties cannot be opened because it does not exist
The property files were NOT saved at the root level of the deployable archive
The env property is NOT set in the Runtime Manager in the Mule application's Pro-perties tab
A file named ${env}.properties is NOT included in the deployable archive file
The dev.properties and prod.properties files were NOT uploaded to Runtime Manager

Explanation

Question 163 of 191

Why must a Mule application's deployable archive package all its dependencies in order to be deployed to CloudHub?

Select one of the following:

The online logging service requires access to ALL project dependencies to log the appropriate Java classes used in the Mule application
CloudHub workers CANNOT download ALL possible project dependencies a pro-ject may contain
CloudHub workers needs to compare the current dependencies with the LATEST project dependencies from the MuleSoft repository
MuleSoft support requires access to ALL project dependencies for future online troubleshooting

Explanation

Question 164 of 191

What can ONLY be done with VM connectors, and NOT with Flow References, in a single Mule application?

Select one of the following:

Preserve variables as the Mule event gets passed to another flow
Allow a flow to pass events to another flow synchronously
Preserve the original payload when the VM connector returns a response from a flow
Allow a flow to pass events to another flow asynchronously

Explanation

Question 165 of 191

How are query parameters dynamically passed to an outbound REST request using an HTTP Request operation?

Select one of the following:

As query parameters in the HTTP Request operation
As URI parameters in the HTTP Request operation
In the Mule event's payload
As flow variables
As attributes in a Transform Message component before the HTTP Request operation
As attributes in the HTTP Listener operation

Explanation

Question 166 of 191

Refer to the exhibit. The flow calls a SOAP endpoint using the Consume operation of the Web Service Consumer. The SOAP service has a required input parameter. What event processor can be used to build the SOAP envelope with the required argument to pass to the SOAP service?

Select one of the following:

Set Property
Build SOAP
Transform Message
JSON to XML
Set Attachment

Explanation

Question 167 of 191

An HTTP Request operation returns a JSON array of objects. In the Transform Message component, what is the process to convert the array of objects to an array of custom Java Account objects?

Select one of the following:

Add the Account object metadata to the output and use the drag-and-drop feature to transform the incoming JSON data
Change the output type to the Java Account object type
Add the Account object metadata to the input and the Transform Message
component will automatically convert the JSON objects to Account objects
Change the input type to the Java Account object type

Explanation

Question 168 of 191

What is the process to create a connector using REST Connect?

Select one of the following:

Develop the API in flow designer and publish the API to Exchange
Design the API in Anypoint Studio and upload the API to Runtime Manager
Design the API in Design Center and publish the API to Exchange
Develop the API in Anypoint Studio and export the connector as a jar file

Explanation

Question 169 of 191

An event contains a payload that is an nothing needs. How is the event routed in a Scatter-Gather?

Select one of the following:

The ENTIRE event is sent to each route and processed SEQUENTIALLY
The event is SPLIT and different SMALLER events are routed and processed in PARALLEL
The event is SPLIT and different SMALLER events are routed and processed SEQUENTIALLY
The ENTIRE event is sent to each route and processed in PARALLEL

Explanation

Question 170 of 191

Refer to the exhibits. What happens to this flow when the Validation module's Is not null operator throws an error?

Select one of the following:

The flow silently stops processing its Mule event
The flow stops processing its Mule event and returns an error message to the HTTP Listener operation
The flow logs the error message in the console and continues processing its Mule event
The flow continues processing its Mule event and appends the error message to the end of the payload

Explanation

Question 171 of 191

On error continue/consume

Select one of the following:

The last message of the payload will continue to be used through the error catch
N/A

Explanation

Question 172 of 191

On error propagate

Select one of the following:

The last payload message is not used, the current message after error is used
N/A

Explanation

Question 173 of 191

On error propagate inside of a private flow uses what error message

Select one of the following:

The global one
N/A

Explanation

Question 174 of 191

How can an error scope be configured to catch all errors in the HTTP namespace?

Select one of the following:

Type: HTTP When:
Type: HTTP* When:
Type: When: #[ error.errorType.namespace == "HTTP" ]
Type: When: #[ contains "HTTP" ]

Explanation

Question 175 of 191

What is the correct way to format the decimal 20.3844 as a string to two decimal places?

Select one of the following:

20.3844 as String ({format: ".0#"})
20.3844 {format: ".0#" as String}
20.3844 as String {format: ".0#"}
20.3844 format (String: ".0#")

Explanation

Question 176 of 191

Refer to the exhibit. An event payload contains an unordered array of flight objects, where every object has a price key and a toAirport key. What is valid DataWeave code to return flights with price under 500, grouped by toAirport in ascending order, with the lowest price first?

Select one of the following:

payload groupBy $.toAirport filter $.price < 500 orderBy $.price
payload groupBy $.toAirport filter $.price > 500 orderBy $.price
payload filter $.price < 500 orderBy $.price groupBy $.toAirport
payload filter $.price > 500 orderBy $.price groupBy $.toAirport

Explanation

Question 177 of 191

A Mule application has a main flow and a combineNames flow. In the main flow, a varia-ble named fullName is set to the object {firstName: "Max", lastName: "Mule"}. What is valid DataWeave code to call the combineNames flow with the input object stored in the fullName variable?

Select one of the following:

#[ dw::Flow::lookup( "combineNames", vars.fullName ) ]
#[ dw::Runtime::lookup( "combineNames", vars.fullName ) ]
#[ lookup( "combineNames", vars.fullName ) ]
#[ combineNames( vars.fullName ) ]
#[ lookup( combineNames( vars.fullName ) ) ]

Explanation

Question 178 of 191

What is NOT part of a Mule 3 message?

Select one of the following:

Payload
Inbound properties
Outbound properties
Variables
Attachments

Explanation

Question 179 of 191

A Flow Reference component sends a non-empty JSON object payload to another flow named childFlow, which then returns an XML body. A Flow Reference component saves the payload returned from childFlow to its target attribute named payload. Refer to the ex-hibit. What is true about the Mule event's payload at the next event processor after the Flow Reference component?

Select one of the following:

The payload is the XML response body
The payload is a non-empty Java object
The payload is the original JSON object
The payload is null

Explanation

Question 180 of 191

A database table contains a recordID column that increases as new records get added to the table. A Mule application is created to read from this database table.
What is the key process to enable manual watermarking for requests to this database using the Scheduler endpoint and a Database Select operation?

Select one of the following:

Save the max recordID from the set of recordIDs in an ObjectStore and reference this recordID in subsequent database requests
Enable automatic watermarking in the Database Select operation
Set the Watermark column in the Scheduler endpoint to the recordID
Save the max recordID from the set of recordIDs in a variable and reference this variable in subsequent database requests

Explanation

Question 181 of 191

What does an API proxy application NOT do?

Select one of the following:

Determine which request Mule event is allowed to pass through to the API backend service
Apply runtime policies to enforce governance
Determine which response Mule event is allowed to pass through to the API backend service
Meters the traffic flowing through the proxy

Explanation

Question 182 of 191

A flow contains a Database Select operation followed by an HTTP Request operation. The Flow must combine and return data received from these two connector operations.

What is a valid and idiomatic (used for it’s intended purpose) way to capture both payloads so the payload output from the second HTTP Request operation does not overwrite the payload output from the first Database Select operation?

Select one of the following:

Put the Database Select operation in a Try scope configured with a transaction.
Save the payload from the Database Select operation to a variable.
Set the combinedPayloads attribute to true in the Database Select operation configuration.
Put the Database Select operation inside a Cache scope

Explanation

Question 183 of 191

Refer to the exhibit. What is the correct DataWeave expression for accessing the city Cleveland from JSON payload?

[
{
"orderID": 592,
"shipping": "international",
"city": Tokyo,
"price": 5922345
},
{
"orderID": 678,
"shipping": "domestic",
"city": Cleveland,
"price": 5123456
},
{
"orderID": 253,
"shipping": "international",
"city": Berlin,
"price": 57654543
},

Select one of the following:

#[payload[2].city]
#[payload[1].city]
#[payload.city[1]]
#[payload.city[2]]

Explanation

Question 184 of 191

A Mule application contains two HTTP Listeners, each configured for different API endpoints: http://trainingdemo.com/apis/orders and http://trainingdemo.com/apis/customers. What base path value should be set in an HTTP Listener config element so that it can be used to receive requests for both the API endpoints mentioned above?

Select one of the following:

/apis/
/apis/?
/apis/orders|customers
/apis/*

Explanation

Question 185 of 191

Refer to the exhibit. DataWeave code needs to be written to transform the input payload to the output payload. What is valid DataWeave code to perform this transformation?

Select one of the following:

%dw 2.0
output application/xml
---
employees:
employee
@(
firstName: payload[0].employee1.firstName[0],
lastName: payload[0].employee1.firstName[0]
) : null
%dw 2.0
output application/xml
---
employees:
employee
(
firstName: payload[0].employee1.firstName[0],
lastName: payload[0].employee1.firstName[0]
) : ""
%dw 2.0
output application/xml
---
employees:
employee
@(
firstName: payload[0].employee1.firstName[0],
lastName: payload[0].employee1.firstName[0]
) : null
%dw 2.0
output application/xml
---
employees:
employee
(
firstName: payload[0].employee1.firstName[0],
lastName: payload[0].employee1.firstName[0]
) : ""

Explanation

Question 186 of 191

A RAML specification is defined to manage customers with a unique identifier for each customer record.
What URI does MuleSoft recommend to uniquely Access the customer identified with the unique ID 1234?

Select one of the following:

/customers/1234
/customers?operation=get&custid=1234
/customers/custid=1234
/customers?custid=true&custid=1234

Explanation

Question 187 of 191

Refer to the exhibit. A shopping API contains a method to look up store details by department. According to this RAML specification, what is a valid URL for a web client to submit a GET request for etails about the pharmacy department at the store with storeID 23?

Select one of the following:

/stores/${23}?store_id=23&department=”pharmacy”
/stores/23?store_id=23&department="pharmacy”
/stores/{23}?store_id=23&department=”pharmacy”
/stores/${23}/store_id=23&department=”pharmacy”

Explanation

Question 188 of 191

An HTTP Request operation sends an HTTP Request with a non-empty JSON-formatted object payload to an external HTTP endpoint. The respons from the external HTTP endpoint returns an XML-formatted body. The result is stores in a target named theResult.
What is the format of the payload that is input to the next event processor after the HTTP Request?

Select one of the following:

application/xml
application/dw
application/json
application/java

Explanation

Question 189 of 191

Following Mulesoft's recommended API-led connectivity approach, an organization has
created an application network. The organization now needs to create API's to transform,
orchestrate and aggregate the data provided by the other API's in the application network. This API
should be flexible enought ot handle the data from additional API's in future.
According to Mulesoft's recommended API-led connectivity approach , what is the best layer for this
new API?

Select one of the following:

Process layer
Experience layer
Data layer
System layer

Explanation

Question 190 of 191

Refer to the exhibits. The validation component in the Try scope block throws an error. What response message is returned to a client request sent to the main flow's HTTP Listener?

Select one of the following:

Validation Error
Error - Try Scope
Error - main flow
Success - main flow

Explanation

Question 191 of 191

Refer to the exhibits. The main flow contains an HTTP Request in the middle of the flow. The HTTP Listeners and HTTP Request use default configurations. What values are accessible to the Logger at the end of the main flow after a web client submits the request to http://localhost:8080/order?color=red?

Select one of the following:

payload
payload quantity var
payload color query param
payload quantity var color query param

Explanation

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	Created by Laura Sánchez almost 3 years ago

Digital Technologies Quiz on MuleSoft Certified Developer - Level 1 (Mule 4), created by Laura Sánchez on 13/12/2021.

MuleSoft Certified Developer - Level 1 (Mule 4)

MuleSoft Certified Developer - Level 1 (Mule 4)

Question 1 of 191

How would you debug Mule applications?

Select one of the following:

Explanation

Question 2 of 191

What does to the attributes of a Mule event happen in a flow after an outbound HTTP Request is made?

Select one of the following:

Explanation

Question 3 of 191

The new RAML spec has been published to Anypoint Exchange with client credentials. What is the next step to gain access to the API?

Select one of the following:

Explanation

Question 4 of 191

What is the difference between a subflow and a sync flow?

Select one of the following:

Explanation

Question 5 of 191

What is not an asset?

Select one of the following:

Explanation

Question 6 of 191

How to import Core (dw::Core) module into your DataWeave scripts?

Select one of the following:

Explanation

Question 7 of 191

What is the value of the stepVar variable after the processing of records in a Batch Job?

Select one of the following:

Explanation

Question 8 of 191

Refer to the exhibit. What is the object type returned by the File List operation?

Select one of the following:

Explanation

Question 9 of 191

Where are values of query parameters stored in the Mule event by the HTTP Listener?

Select one of the following:

Explanation

Question 10 of 191

DataWeave is tightly integrated with ____________.

Select one of the following:

Explanation

Question 11 of 191

In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do?

Select one of the following:

Explanation

Question 12 of 191

What is the correct way to format the decimal 200.1234 as a string to two decimal places?

Select one of the following:

Explanation

Question 13 of 191

How is policy defined in terms of classloader of an API?

Select one of the following:

Explanation

Question 14 of 191

According to Mulesoft, how are Modern APIs treated as?

Select one of the following:

Explanation

Question 15 of 191

According to Semantic Versioning, which version would you change for incompatible API changes?

Select one of the following:

Explanation

Question 16 of 191

What is the use of DevKit in Mule 4?

Select one of the following:

Explanation

Question 17 of 191

A Scatter-Gather processes three separate HTTP requests. Each request returns a Mule event with a JSON payload. What is the final output of the Scatter-Gather?

Select one of the following:

Explanation

Question 18 of 191

What are the latest specification of RAML available?

Select one of the following:

Explanation

Question 19 of 191

http://dev.acme.com/api/patients?year=2021 What should this endpoint return?

Select one of the following:

Explanation

Question 20 of 191

http://dev.acme.com/api/patients?year=2021
What should this endpoint return?