MuleSoft Certified Developer - Level 1 (Mule 4) (Part 2)

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Question 1 of 116

Refer to the exhibits. The Set Payload component sets the payload to a Map object (not an Array). The File Write operation writes out files based on this Map object.

How many files are written to the file system when the flow executes?

Select one of the following:

Explanation

Question 2 of 116

Refer to the exhibit. The payload [1,2,3] is passed to the Batch Job scope. In Batch_Step_1, a variable named batchStepPayload is set to the current payload. What is the value of the last log message after one batch job completes?

Select one of the following:

13
[11,12,13]
33
30
10

Explanation

Question 3 of 116

Refer to the exhibit. What are the values of the counter and stepVar variables in the On Complete pase/after the Batch Job?

Select one of the following:

counter: 31, stepVar: 31
counter: 1, stepVar: 31
counter: 31, stepVar: null
counter: 1, stepVar: null

Explanation

Question 4 of 116

Refer to the exhibits. What is the output of the Logger component in the Batch Job?

Select one of the following:

[.333]
[1]
[.333, 1]
[.333, .667, 1, 1.333]
[.333]
[.667]
[1]
[1.333]

Explanation

Question 5 of 116

Refer to the exhibit. The main Flow contains a Flow Reference for the child Flow. After a web client submits a request to http://localhost:8081/order?color=red, what values are accesible in the child Flow?

Select one of the following:

Payload
Payload quantity var color query param
Payload quantity var
Payload color query param

Explanation

Question 6 of 116

Refer to the exhibits. The orders.csv file is read and then processed to look up the orders in a database. The Mule application is debugged in Anypoint Studio and stops at the breakpoint. What payload is shown in the debugger at this breakpoint?

Select one of the following:

100
The entire CSV file
An empty array
The database response

Explanation

Question 7 of 116

Refer to the exhibits. The Set Payload transformer in the For Each scope and the Set Payload transformer in the Batch Job scope’s Batch expresión to sleep (pause processing) for the number of milliseconds in the current payload. The Batch Job scope’s block size is set to.

In what order are the payloads logged in the For Each scope and in the Batch Step scope?

Select one of the following:

For Each scope: 100, 200, 1000, 2000
Batch Step scope: 40, 300, 3000, 4000
For Each scope: 2000, 200, 1000, 100
Batch Step scope: 40, 300, 3000, 4000
For Each scope: 100, 200, 1000, 2000
Batch Step scope: 4000, 40, 3000, 300
For Each scope: 2000, 200, 1000, 100
Batch Step scope: 4000, 40, 3000, 300

Explanation

Question 8 of 116

Refer to the exhibit. An HTTP Listener is being configured to accept requests from web clients on URLs like htttp://localhost:8081/accounts/10, where the number 10 can change to other numbers.
In order to capture the number in a parameter named ID, to what must the path of the HTTP Listener component be set?

Select one of the following:

/accounts/ID
#[/accounts/ID]
/accounts/{ID}
/accounts/#[ID]

Explanation

Question 9 of 116

Refer to the exhibits. The /daily folder exists, is currently empty, and files can be read and written to this folder by Anypoint Studio.This Mule application is run in Anypoint Studio, and then a file named productUpdate.txt containing the text “START” is written to the /daily folder.

What is in the /daily folder after the readUpdates Flow completes for the first time?

Select one of the following:

A file named productUpdates.txt.bak containing the text “START”
A file named productUpdates.txt.bak containing the text “FINISHED”
A file named productUpdates.txt containing the text “START”
A file named productUpdates.txt.bak containing the text “FINISHED”
A file named productUpdates.txt containing the text “START”
A file named productUpdates.txt.bak containing the text “START”

Explanation

Question 10 of 116

Refer to the exhibit. The RAML file defines a method to create users.
What is the correct way to create a user in a web client?

Select one of the following:

http://localhost:8081/api/users
(POST
username = max
password = mule)
http://localhost:8081/api/users?username=max&password=mule
(POST)
http://localhost:8081/api/users/max/mule
(POST)
http://localhost:8081/api/users?username=headers&password=headers
(POST
username = username:max
password = password:mule)

Explanation

Question 11 of 116

A Utility.dwl file is located in a Mule Project at src/main/resources/modules. The Utility.dwl file defines a function named pascalize that reformats strings to pascal case.
What is valid DataWeave code to call the pascalize function in a Transform Message component?

Select one of the following:

%dw 2.0
output application/json
import modules::Utility
---
Utility:pascalize("max mule")
%dw 2.0
output application/json
import modules::Utility
---
pascalize("max mule")
%dw 2.0
output application/json
import modules.Utility
---
pascalize("max mule")
%dw 2.0
output application/json
import modules.Utility
---
Utility.pascalize("max mule")

Explanation

Question 12 of 116

Refer to the exhibits. The Mule application does NOT define any global error handler elements.
What is the response to a web client request to http://localhost:8081?

Select one of the following:

“Before”
Null
Validation Error
“After”

Explanation

Question 13 of 116

Refer to the exhibits. When the Flow executes, the now() function in the Transform Message component returns “2021-08-26T13:32:10.64-07:00”.
What is written to the records.csv file when the flow executes?

Select one of the following:

{
"transaction_id": "SS-4848-44KK-4YQ",
"account_id": "KA-382-SKD44"
"name": "Max Mule",
"position": "sell",
"write_date": "2021-08-26T13:32:10.64-07:00"
}
"transaction_id", account_id, name, position
"SS-4848-44KK-4YQ", "KA-382-SKD44", "Max Mule","sell"
"transaction_id", account_id, name, position, write_date
"SS-4848-44KK-4YQ", "KA-382-SKD44", "Max Mule","sell", "2021-08-26T13:32:10.64-07:00"
{
"transaction_id": "SS-4848-44KK-4YQ",
"account_id": "KA-382-SKD44"
"name": "Max Mule",
"position": "sell",
}

Explanation

Question 14 of 116

Refer to the exhibits. The Mule application does NOT Define any global handlers. The main flow is configured with three error handlers. A web client submits a request to the HTTP listener and the HTTP request throws an HTTP:NOT_FOUND error.

What response is returned?

Select one of the following:

“Other error”
“APP: API RESOURCE NOT FOUND”
“HTTP: NOT FOUND”
“Success – main flow”

Explanation

Question 15 of 116

Refer to the exhibit. How many private flows does APIkit generate from the RAML specification?

Select one of the following:

Explanation

Question 16 of 116

Refer to the exhibits. A web client submits a request to http://localhost:8081/flights
What is the result at the end of the flow?

Select one of the following:

“String”
“Java”
“XML”
“Object”

Explanation

Question 17 of 116

Refer to the exhibits. The main flow of this Mule application uses an HTTP connector operation and two JMS connector operations. The Mule application is run and stars succesfully, and then a web client send a request to http://localhost:8081.

What payload is then returned to the web client from the Mule application?

Select one of the following:

Explanation

Question 18 of 116

Refer to the exhibits. A web client makes an HTTP GET request to the flow’s HTTP Listener. The Validation component throws an error with message “Validate - Payload is an Integer”.
What response message is returned to the web client?

Select one of the following:

“Error – main flow”
“Success – Begin main flow”
“Success – End main flow”
“Validate – Payload is an Integer”

Explanation

Question 19 of 116

Refer to the exhibits. In this Mule application files are written from inside a For Each scope. What is written to the file system when the Flow executes, and what payload is returned in the response to the web client?

Select one of the following:

One file is written with an error message
The response payload is the error message
Two files are created, each containing a different object of one or two account objects
The response payload is a JSON formatted of two objects, where each object is a duplicate copy of the object of account written to each file.
Three files are created, one for each account object
The response payload is a success message without any account objects
Two files are created, each containing a differrent array of one or two account objects.
The response payload is a JSON formatted object of account objects that is created in the Set Payload transformer

Explanation

Question 20 of 116

Refer to the below exhibit. A Mule application configures a property placeholder file named
config.yaml to set some property placeholders for an HTTP connector. What is the valid properties placeholder file to set these values?

Select one of the following:

http:
basepath: "api"
host: "localhost"
port: "8081"
http.host = localhost
http.port = 8081
http:
host = "localhost"
port = "8081"
{
http:
basePath: "api",
port: "8081",
host: "localhost"
}

Explanation

Question 21 of 116

A shopping API contains a method to look up store details by department.

To get the information for a particular store, web clients will submit requests with a query parameter named department and uri parameter named storeId What is valid RAML snippet that supports requests from a web client to get a data for a specific storeId and department name?

Select one of the following:

/{storeID}:
get:
queryParameter:
department:
get:
queryParameter:
department:
uriParameter:
{storeID}:
get:
uriParameter:
{storeID}:
queryParameter:
department:
/department:
get:
uriParameter:
storeID:

Explanation

Question 22 of 116

Refer to the exhibits. In the choice router, the When expression for the domestic shipping route is set to
"#[payload= "FR"]". What is the output of logger after the execution of choice router is completed?

Select one of the following:

"US"
"Domestic"
A Dataweave sintax error
"International"

Explanation

Question 23 of 116

Pick the component with which DataWeave is tightly integrated.

Select one of the following:

All APIs
Mule runtime
Exchange
Flow Designer

Explanation

Question 24 of 116

Refer to the exhibits.

The mule application implements a REST API that accepts GET request from two URL's which are as follows.
What path value should be set in HTTP listener configuration so that requests can be accepted for both these URL's using a single HTTP listener event source?

Select one of the following:

*[order,customer]/status
?[order,customer]/status
*/status
*status

Explanation

Question 25 of 116

Refer to the exhibits. APIKit router is used to generate the flow components for RAML specification.

The Mule application must be available to REST clients using the two URL's. How many APIKit Router components are generated to handle requests to every endpoint defined in RAML specification?

Library.raml
/books
get:
post:
/order
get:
patch:
/members
get:

Select one of the following:

Explanation

Question 26 of 116

What is output of Dataweave flatten function?

Select one of the following:

Object
Map
Array
LinkedHashMap

Explanation

Question 27 of 116

Refer to the exhibits. As a Mulesoft developer, what you would change in Database connector configuration to resolve this error?

Select one of the following:

Configure the correct host URL
Configure the correct database name
Configure the correct table name
Configure the correct JDBC driver

Explanation

Question 28 of 116

Refer to the exhibits. In the color flow, both the variable named color and payload are set to "red".
An HTTP POST request is then sent to the decideColor flow's HTTP Listener. What is the payload value at the Logger component after the HTTP Request completes?

Select one of the following:

white
red
blue
Error message

Explanation

Question 29 of 116

Refer to the exhibits. What payload and variable are logged at the end of the main flow?

Select one of the following:

[[5, 10, 15, 20], 1]
[[5, 10, 15, 20], 5]
[[Req5, Req10, Req15, Req20], 5]
[Req5Req10,Req15Req20, 5]

Explanation

Question 30 of 116

An API instance of type API endpoint with API proxy is created in API manager using an API specification from Anypoint Exchange. The API instance is also configured with an API proxy that is deployed and running in CloudHub. An SLA- based policy is enabled in API manager for this API instance. Where can an external API consumer obtain a valid client ID and client secret to successfully send requests to the API proxy?

Select one of the following:

In the organization's public API portal in Anypoint Exchange, from an approved client application for the API proxy
In Anypoint Studio, from components generated by APIkit for the API specification
In Anypoint Studio, from components generated by Rest Connect for API specification
In Runtime Manager, from the properties tab of the deployed approved API proxy

Explanation

Question 31 of 116

Refer to the exhibits. Client sends the request to ClientRequestFlow which calls ShippingFlow using HTTP Request activity. During E2E testing it is found that that HTTP:METHOD_NOT_ALLOWED error is thrown whenever client sends request to this flow. What attribute you would change in ClientRequestFlow to make this implementation work successfully?

Select one of the following:

Change the method attribute value to '*'
Change the path attribute value to '/api/ship'
Change the allowed method attributes value to 'POST'
Change the protocol attribute value to 'HTTPS'

Explanation

Question 32 of 116

An organization is beginning to follow Mulesoft's recommended API led connectivity approach to use modern API to support the development and lifecycle of the integration solutions and to close the IT delivery gap. What distinguishes between how modern API's are organized in a MuleSoft recommended API-led connectivity approach as compared to other common enterprise integration solutions?

Select one of the following:

The API interfaces are specified as macroservices with one API representing all the business logic of an existing and proven end to end solution
The API interfaces are specified at a granularity intended for developers to consume specific aspect of integration processes
The API implementation are built with standards using common lifecycle and centralized configuration management tools
The APIO implementations are monitored with common tools, centralized monitoring and security systems

Explanation

Question 33 of 116

Refer to the exhibits. The main Flow has an On Error Continue scope with type set to HTTP:NOT_FOUND. The Mule application configures globalErrorHandler as it’s default error handler. A web client posts a request to the HTTP Listener. The Transform Message component then throws a MULE:EXPRESSION error trying to convert the payload to application/xml.

What response message is returned to the web client?

Select one of the following:

“HTTP:NOT_FOUND error”
“MAIN”
“Global Error Handler”
The MULE:EXPRESSION error’s message

Explanation

Question 34 of 116

Which of the below is not the mandatory configurations for HTTP Listener?

Select one of the following:

Path
Allowed methods
HTTP port in Connector Configuration
HTTP host in Connector Configuration

Explanation

Question 35 of 116

Refer to the exhibits. All three of the conditions for the Choice router are true. What messages are written in the application log?

Select one of the following:

Route 1
Route 2
Route1,Route 2
Route1,Route 2,Default

Explanation

Question 36 of 116

Refer to the exhibit. Client received HTTP 415 error while trying to invoke Mule API. What should be changed on the client side to fix the 415 error?

Select one of the following:

Set the response Content-Type header to text/plain
Set the request Content-Type header to text/plain
Set the response Content-Type header to application/json
Set the request Content-Type header to application/json

Explanation

Question 37 of 116

Refer to the exhibits. What payload is logged at the end of the main flow?

Select one of the following:

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

Explanation

Question 38 of 116

Refer to the exhibits. The Batch Job processes, filters, and aggregates records. What is the outcome from the Logger component when the flow is executed?

Select one of the following:

[10,20] [30,40] [50,60]
[10,20,30,40,50,60]
[20,40] [60]
[20,40,60]

Explanation

Question 39 of 116

Refer to the exhibits. What is valid expression for the Choice router's When expression to route the events to the domesticShipping flow?

Select one of the following:

#[payload == 'US']
#[payload = 'US']
#[ if(payload == 'US')]
#[ if(payload = 'US')]

Explanation

Question 40 of 116

Refer to the exhibit . What is the correct syntax to add an employee ID as URI parameter in an HTTP Listener path?

Select one of the following:

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

Explanation

Question 41 of 116

Refer to exhibits. A web client submits a request to http://localhost:8081. What the structure of the payload at the end of the flow?

Select one of the following:

[ 'Banana', 'Apple']
{
"0": "Banana",
"1": "Apple"
}
"attributes": ---,
"payload": ['Banana', 'Apple']
}
{
"0": {
"attributes": ---,
"payload": "Banana"
}
"1": {
"attributes": ---,
"payload": "Apple"
}
}

Explanation

Question 42 of 116

Refer to exhibits. In the execution of the Scatter-Gather, the flow route completes after 10 seconds and the flow2 route completes in 40 seconds. How many seconds does it take for the Scatter-Gather to complete?

Select one of the following:

Explanation

Question 43 of 116

A Utility.dwl is located in a Mule project at src/main/resources/modules. The Utility.dwl file defines a function named encryptString that encrypts a String What is the correct DataWeave to call the encryptString function in a Transform Message component?

Select one of the following:

%dw 2.0
output application/json
import modules::Utility
---
Utility::encryptString("John Smith")
%dw 2.0
output application/json
import modules::Utility
---
encryptString("John Smith")
%dw 2.0
output application/json
import modules.Utility
---
encryptString("John Smith")
%dw 2.0
output application/json
import modules.Utility
---
Utility.encryptString("John Smith")

Explanation

Question 44 of 116

Refer to the exhibits. The two Mule configuration files belong to the same Mule project. Each HTTP Listener is configured with the same host string. Port number , path and operation values are shown in display names. 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 45 of 116

A mule project contains MySQL database dependency. The project is exported from Anypoint Studio so that it can be deployed to Cloudhub. What export options needs to be selected to create the smallest deployable archive that will successfully deploy to Cloudhub?

Select one of the following:

Select both the options
1) Attach project sources
2) Include project module and dependencies
No need to select any of the below options
1) Attach project sources
2) Include project module and dependencies
Select only below option
2) Include project module and dependencies
Select only below option
1) Attach project sources

Explanation

Question 46 of 116

What path setting is required for an HTTP Listener endpoint to route all requests to an APIKit router?

Select one of the following:

/*
/
/{}
/{*}

Explanation

Question 47 of 116

What should this endpoint return? http://dev.acme.com/api/patients?name=John&surname=Bell

Select one of the following:

Patient with name as John
Patient with surname as bell
Patients with either name as John or surname as Bell
Patients with name as John and surname as Bell

Explanation

Question 48 of 116

There are three routes configured for Scatter-Gather and incoming event has a payload is an Array of three objects. How routing will take place in this scenario?

Select one of the following:

Incoming array objects would be split into three and each part would be sent to one route each in sequential manner
Incoming array objects would be split into three and each part would be sent to one route each in parallel
Entire event would be sent to each route sequentially
Entire event would be sent to each route in parallel

Explanation

Question 49 of 116

What is the default port used by Mule application debugger configuration in Anypoint Studio?

Select one of the following:

8082
8080
7777
6666

Explanation

Question 50 of 116

As a part of project requirement, you want to build an API for a legacy client. Legacy client can only consume SOAP webservices. Which type the interface documentation can be prepared to meet the requirement?

Select one of the following:

RAML file to define SOAP services
WSDL file
JSON file
plain text file documenting API's

Explanation

Question 51 of 116

What does C4E stands for in MuleSoft recommended IT operating model?

Select one of the following:

Centre for Empowerment
Centre for Engagement
Centre for Enablement
Centre for Excellence

Explanation

Question 52 of 116

What valid RAML retrieves details on a specific customer by its customerId as a URI parameter?

Select one of the following:

/customers:
/get:
/customerId:
/customers:
/{customerId}:
get:
/customers:
/customerId:
get:
/customers:
get:
/{customerId}:

Explanation

Question 53 of 116

Which of the below activity doesn't support parallel execution?

Select one of the following:

Scatter Gather Router
First Successful Router
Parallel For Each
Batch Job

Explanation

Question 54 of 116

A Mule application's HTTP Listener is configured with the HTTP protocol. The HTTP listeners port attribute is configured with a property placeholder named http.port. The mule application sets the http.port property placeholder's value to 9090

The Mule application is deployed to CloudHub without setting any properties in the Runtime manager Properties tab and a log message reports the status of the HTTP listener after the Mule application deployment completes.

After the mule applications is deployed, what information is reported in the worker logs related to the port on which the Mule application's HTTP Listener listens?

Select one of the following:

The HTTP Listener is listening on port 80
The HTTP Listener is listening on port 9090
The HTTP Listener is listening on port 8081
The HTTP Listener failed to bind to the port and is not listening for connections

Explanation

Question 55 of 116

What is correct syntax for a Logger component to output a message with the contents of a JSON Object payload?

Select one of the following:

#["The payload is " + payload]
#["The payload is " ++ payload]
The payload is: #[payload]
The payload is: $(payload)

Explanation

Question 56 of 116

As a part of requirement , application property defined below needs to be accessed as Dataweave expression. What is the correct expression to map it to port value?

Select one of the following:

{ port : p('db.port')}
{ port : {db:port}}
{ port : p['db.port']}
Application property cannot be accessed in Dataweave

Explanation

Question 57 of 116

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

Select one of the following:

Filter modules Is Number operation
Validation modules Is Number operation
Validation modules Is not Number operation
None of these

Explanation

Question 58 of 116

A web client submits a request to http://localhost:8081?accountType=personal.

The query parameter is captured using a Set Variable transformer and stored to a variable named accountType. What is the correct Dataweave expression to log accountType?

Select one of the following:

Account Type : #[message.inboundProperties.accountType]
Account Type : #[attributes.accountType]
Account Type : #[flowvars.accountType]
Account Type : #[vars.accountType]

Explanation

Question 59 of 116

Refer to the exhibits. Which of the Dataweave expression amongst the options transforms the input to the output?

Select one of the following:

payload.order.*item map {(value, index) -> {
index: index,
orderId: value.@orderId,
itemName: value.item,
lineItemPrice: (value.price as :number) * (value.quantity as :number)
}
}
payload.order.*item map {(value, index) -> {
index: index,
orderId: value.@orderId,
itemName: value.item,
lineItemPrice: (value.price as Number) * (value.quantity as Number)
}
}
payload.order.*item map {(value, index) -> {
index: index,
orderId: value.orderId,
itemName: value.item,
lineItemPrice: (value.price as :number) * (value.quantity as :number)
}
}
payload.order.*item map {(value, index) -> {
index: index,
orderId: value.orderId,
itemName: value.item,
lineItemPrice: (value.price as :number) * (value.quantity as Number)
}
}

Explanation

Question 60 of 116

The API needs to be updated using the company wide standard for the Plan data type. The Object data type has already been published to Anypoint Exchange with the global reference mentioned below. ACME/DataTypes/PlanData.raml

What is valid RAML specification that reuses the Plan Data type?

Select one of the following:

#%RAML 1.0
title: ACME Telecom API
types:
Plan: !include ACME/DataTypes/PlanDataType.raml

/plans:
get:
responses:
200:
body:
application/json:
type:Plan[]
example: !include ACME/Examples/PlanExamples.raml
#%RAML 1.0
title: ACME Telecom API
types:
Plan: !reference ACME/DataTypes/PlanDataType.raml

/plans:
get:
responses:
200:
body:
application/json:
type:Plan[]
example: !reference ACME/Examples/PlanExamples.raml
#%RAML 1.0
title: ACME Telecom API
dataTypes:
Plan: !reference ACME/DataTypes/PlanDataType.raml

/plans:
get:
responses:
200:
body:
application/json:
type:Plan[]
example: !reference ACME/Examples/PlanExamples.raml
#%RAML 1.0
title: ACME Telecom API
dataTypes:
Plan: !include ACME/DataTypes/PlanDataType.raml

/plans:
get:
responses:
200:
body:
application/json:
type:Plan[]
example: !include ACME/Examples/PlanExamples.raml

Explanation

Question 61 of 116

Refer to the exhibits. What is written to the records.csv when the flow executes?

Select one of the following:

Nothing
JSON payload
payload converted to csv
An error message

Explanation

Question 62 of 116

Refer to the exhibit. What is the output of Logger activity named payload in the On Complete phase?

Select one of the following:

The records are processed by all batch steps
The records are processed by last batch step
The original payload: [1,2,3]
Summary stadistics with No record data

Explanation

Question 63 of 116

What is the correct syntax to define and and call a function in Dataweave script?

Select one of the following:

fun addKV (object: Object, key: String, value: Any) =
object ++ {(key):(value)}
---
{hello: "world"} addKV ("hola, "mundo")
%function addKV (object: Object, key: String, value: Any) =
object ++ {(key):(value)}
---
({"hello": "world"}, addKV "hola", "mundo")
%fun addKV (object: Object, key: String, value: Any) =
object ++ {(key):(value)}
---
addKV ({"hello": "world"}, "hola", "mundo")
%function addKV (object: Object, key: String, value: Any) =
object ++ {(key):(value)}
---
{"hello": "world"} addKV ("hola", "mundo")

Explanation

Question 64 of 116

What the correct RAML syntax which retrieves details on a specific order by its orderId as a URI parameter?

Select one of the following:

/orders:
/{orderId}:
get:
/orders:
/get:
/orderId
/orders:
/orderId:
get:
/orders:
get:
/{orderId}:

Explanation

Question 65 of 116

Refer to the exhibits. What is valid text to set the user field in the Database connector configuration to the username value specified in the config.yaml file?

Select one of the following:

#[db:username>
#[db.username]
${db.username}
${db:username}

Explanation

Question 66 of 116

Refer to the exhibits. What expression correctly specifies input parameters to pass the city and state values to SQL query?

Select one of the following:

#[inputParams: {
city: "San Francisco",
state: "CA"
}]
#[inputParams: [
"San Francisco",
"CA"
]]
#[[
"San Francisco",
"CA"
]]
#[{
city: "San Francisco",
state: "CA"
}]

Explanation

Question 67 of 116

Refer to the exhibit. What is the correct DataWeave expression for the Set Payload transformer to call the createCustomerObject flow with values for the first and last names of a new customer?

Select one of the following:

lookup( "createCustomerObject", {first: "Alice, last: "Green"})
createCustomerObject({first: "Alice", last' "Green"})
createCustomerObject("Alice", "Green")
lookup( "createCustomerObject", ("Alice", "Green"))

Explanation

Question 68 of 116

Mule application contains ActiveMQ JMS dependency. Mule application was compiled and run successfully in Anypoint Studio. The mule application must now be exported from Anypoint Studio and shared with other developer. What export options should be selected to create the smallest JAR file that can be imported into other developer's Anypoint Studio and run successfully?

Select one of the following:

Select only Attach Project Sources only
Select both Attach Project Sources and Include project modules and dependencies
Select the Include project modules and dependencies option only
De-select both Attach Project Sources and Include project modules and dependencies

Explanation

Question 69 of 116

Refer to exhibits. What message should be added to Logger component so that logger prints "The city is Pune" (Double quote should not be part of logged message)?

Select one of the following:

#["The city is" ++ payload.City]
The city is + #[payload.City]
The city is #[payload.City]
#[The city is ${payload.City}

Explanation

Question 70 of 116

What is minimal requirement in a flow for a Mule application to compile?

Select one of the following:

Event Source
Event Processors
Error handlers
Source and processors both

Explanation

Question 71 of 116

How can we scale deployed Mule application vertically on Cloudhub?

Select one of the following:

Changing worker size
Adding multiple workers
Mule applications can be scaled only horizontally
Option 1 and 2 both can be used

Explanation

Question 72 of 116

Which of the below is not the function of API Gateway?

Select one of the following:

Determine which traffic is authorized to pass through the API to backend services
Meter the traffic flowing through
Logs all transactions, collecting and tracking analytics data
Specify throttling, security and other policies

Explanation

Question 73 of 116

From which application Organization Administrators can approve/revoke/delete SLA tier access requests?

Select one of the following:

API Exchange
API Portal
API Gateway
API Manager

Explanation

Question 74 of 116

What is not true about application properties?

Select one of the following:

Application properties can be encrypted
Application properties can be overridden with system properties
Application properties can be defined in .yaml file only
Application properties provide easier way to manage configurable values

Explanation

Question 75 of 116

Which of the below is used by Mule application to manage dependencies which make sharing the projects lightweight and easier?

Select one of the following:

Configuration file
Global element
POM.xml
Cloudhub

Explanation

Question 76 of 116

In which of the below files, metadata stored in a Mule project?

Select one of the following:

Config.yaml file
POM.xml file
application-types.xml
Global Element

Explanation

Question 77 of 116

Which of the below is not a valid category for connector type?

Select one of the following:

Gold
Select
Premium
Community

Explanation

Question 78 of 116

Which file is used to define the interface contract to invoke a web service implemented as a SOAP service?

Select one of the following:

RAML
WSDL
JSON
OAS

Explanation

Question 79 of 116

Which of the following is invalid type of event processor which can be used as a router?

Select one of the following:

Choice
Round Robin
Pick First
First Successful

Explanation

Question 80 of 116

There are three routs configured for Scatter-Gather and incoming event has a payload is an Array of three objects. How routing will take place in this scenario?

Select one of the following:

Incoming array objects would be split into three and each part would be sent to one route each in parallel
Incoming array objects would be split into three and each part would be sent to one route each in sequential manner
Entire event would be sent to each route in parallel
Entire event would be sent to each route sequentially

Explanation

Question 81 of 116

What module and operation will throw an error if a Mule events payload is not null?

Select one of the following:

Filter module's Is Null operation
Validation module's Is Null operation
Validation module's Is not null operation
None of these

Explanation

Question 82 of 116

A Batch Job scope has five batch steps. An event processor throws an error in the second batch step 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:

All processing of the batch job stops
Event processing continues to the next batch step
Error is ignored
Batch is retried

Explanation

Question 83 of 116

Does a root element required when creating a XML response using Dataweave?

Select one of the following:

Depends on requirement
Not required
Always required
None of these

Explanation

Question 84 of 116

How would you debug Mule applications?

Select one of the following:

By deploying apps on production
Checking RAML specifications
Using debugger component
Use third party debugger application

Explanation

Question 85 of 116

What of the below is not a feature of API Notebooks?

Select one of the following:

API documentation
Creates a client for an API
Creates a mock service for an API
Performed authenticated live calls on a real server

Explanation

Question 86 of 116

Which of the module is imported automatically in Dataweave scripts?

Select one of the following:

dw::core
dw::System
dw::Runtime
dw::Crypto

Explanation

Question 87 of 116

A Database On Table Row listener retrieves data from a CUSTOMER table that contains a primary key user_id column and an increasing time_stamp 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 Target value to the last retrived date_time value
Set the watermark column to the user_id column
Set the Target value to the last retrived user_id value
Set the watermark column to the date_time value

Explanation

Question 88 of 116

Refer to the exhibits. A mule application is being developed which will process POST requests coming from clients containing the name and order information. Sample request is as below

This main mule application calls a separate flow called as ShippingAddress which returns the address corresponding to the name of the user sent to it as input. Output of this ShippingAddress is stored in a target variable named address.

Next set of requirement is to have a setPayload transformer which will set below two values

1) orderkey which needs to set to be equal to the order element received in the original request payload.
2) addressKey which needs to be set to be equal to the address received in response of ShippingAddress flow

What is the straightforward way to properly configure the Set Payload transformer with the required data?

Select one of the following:

{
orderkey: "payload.order",
addresskey: "vars.adress"
}
{
orderkey: "attributes.shippingaddress.order",
addresskey: "payload"
}
{
orderkey: "payload.order",
addresskey: "address"
}
{
orderkey: "attributes.order",
addresskey: "vars.address"
}

Explanation

Question 89 of 116

Refer to the payload. The Set payload transformer sets the payload to an object. The logger component's message attribute is configured with the string "Result #["INFO"++ payload]"

What is the output of logger component when this flow executes?

Select one of the following:

Result INFOpayload
Result INFO{"student":{"name":"Anay","age":6}}
You called the function '++' with these arguments:
1: String ("INFO")
2: Object ({student: {name: "Anay" as String {class: "java.lang.String"},age: 6 as Numbe...)
Error: You evaluated inline expression # without ++

Explanation

Question 90 of 116

An API specification is designed using RAML . What is the next step to create a REST Connector from this API specification?

Select one of the following:

Add the specification to a Mule project's src/main/resources/api folder
Download the API specification and build the interface using APIkit
Implement the API specification using flow designer in Design Center
Publish the API specification to Anypoint Exchange

Explanation

Question 91 of 116

A Mule flow has three Set Variable transformers. What global data structure can be used to access the variables?

Select one of the following:

Mule event attributes
Mule application properties
Mule event message
Mule event

Explanation

Question 92 of 116

What is the minimum Cloudhub worker size that can be specified while deploying mule application?

Select one of the following:

0.2 vCores
0.5 vCores
1.0 vCores
0.1 vCores

Explanation

Question 93 of 116

Which Mule component provides a real-time, graphical representation of the APIs and mule applications that are running and discoverable?

Select one of the following:

API Notebook
Runtime Manager
Anypoint Visualizer
API Manager

Explanation

Question 94 of 116

What is the output of Dataweave Map operator?

Select one of the following:

Map
Object
String
Array

Explanation

Question 95 of 116

An API implementation has been deployed to CloudHub and now needs to be governed. IT will not allocate additional vCore for a new Mule application to act as an API proxy. What is the next step to preserve the current vCore usage, but still allow the Mule application to be managed by API Manager?

Select one of the following:

Modify the API implementation to use auto-discovery to register with API Manager
Register the same API implementation in Runtime Manager to connect to API Manager
Deploy the same API implementation 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

Explanation

Question 96 of 116

A flow needs to combine and return data from two different data sources. It contains a Database SELECT operation followed by an HTTP Request operation. What is the method to capture both payloads so the payload from second request does not overwrite that from the first?

Select one of the following:

Put the Database SELECT operation inside a cache scope
Put the Database SELECT operation inside a Message Enricher scope
Save the payload from the Database SELECT operation to a variable
Nothing as previous payloads are combined into the next payload

Explanation

Question 97 of 116

How can you call a subflow from Dataweave?

Select one of the following:

Not possible in Mule 4
Import function
Lookup function
Include function

Explanation

Question 98 of 116

Why would a Mule application use the ${http.port} property placeholder for its HTTP Listener port when it is deployed to CloudHub?

Select one of the following:

Allows clients to VPN directly to the application at the Mule application's configured HTTP port
Allows CloudHub to automatically change the HTTP port to allow external clients to connect to the HTTP Listener
Allows CloudHub to automatically register the application with API Manager
Allows MuleSoft Support to troubleshoot the application by connecting directly to the HTTP Listener

Explanation

Question 99 of 116

In an application network. If the implementation but not the interface of a product API changes, what needs to be done to the other APIs that consume the product API?

Select one of the following:

The applications associated with the other APIs must be recoded
The other APIs must be updated to consume the updated product API
Nothing needs to be changed in the other APIs or their associated applications
The applications associated with the other APIs must be restarted

Explanation

Question 100 of 116

A mule application contains a global error handler configured to catch any errors. Where must the global error handler be specified so that global error handler catches all errors from flows without their own error handlers?

Select one of the following:

Nowhere as global error handler is automatically used
The POM.xml file
A global element
A configuration properties file

Explanation

Question 101 of 116

What payload is returned by a Database SELECT operation that does not match any rows in database?

Select one of the following:

Exception
Empty array
FALSE
null

Explanation

Question 102 of 116

How can you call a flow from Dataweave?

Select one of the following:

include function
not allowed
tag function
lookup function

Explanation

Question 103 of 116

A Mule application configured with Autodiscovery implements an API. Where is governance enforced for policies defined for this Mule application?

Select one of the following:

In Runtime Manager
In API Exchange
In the Mule application
In API manager

Explanation

Question 104 of 116

A Mule project contains a DataWeave module like WebStore.dwl that defines a function named loginUser which accepts login id (String) as an argument. The module file is located in the project's src/main/resources/libs/etl folder.

What is correct DataWeave code to import all of the WebStore.dwl file's functions and then call the loginUser function for the purpose of login for the below user?

"Todd.Pal@mulesoft.com"

Select one of the following:

import libs.etl
---
WebStore.loginUser("Todd.Pal@mulesoft.com")
import * libs::etl
---
WebStore::loginUser("Todd.Pal@mulesoft.com")
import libs.etl.WebStore
---
loginUser("Todd.Pal@mulesoft.com")
import * from libs::etl::WebStore
---
loginUser("Todd.Pal@mulesoft.com")

Explanation

Question 105 of 116

In the execution of scatter gather, the "sleep 2 sec" Flow Reference takes about 2 sec to complete, and the "sleep 8 sec" Flow Reference takes about 8 sec to complete.

About how many sec does it take from the Scatter-Gather is called until the Set Payload transformer is called?

Select one of the following:

Explanation

Question 106 of 116

Refer to the exhibits. The Mule application configures and uses two HTTP Listener global configuration elements.
Mule application is run in Anypoint Studio.
If the mule application starts correctly, what URI and port numbers can receive web client requests?
If the mule applications fails to start , what is the reason for the failure?

Select one of the following:

The mule application fails to start
There is URL path conflict because both HTTP Listeners are configured with same path
The mule application start successfully
Web client requests can only be received at URI on port 2222 but not on port 3333
The mule application fails to start because of the port binding conflict as HTTP request also use same port i.e. 3333
The mule application start successfully
Web client requests can be received at URI on port 2222 and on port 3333.

Explanation

Question 107 of 116

An organization's Center for enablement (C4E) has built foundational assets (API specifications and implementation templates, common frameworks, and best practices guides) and published them to Anypoint Exchange.

What is a metric related to these foundational assets that helps the organization measure the success of it's C4E efforts?

Select one of the following:

Utilization counts of foundational assets in production applications
Correlation of each foundational asset with the counts of developers that download such asset
Correlation of key performance indicators (KPI) of production applications with foundational assets
Count how many Lines Of Busness (LoBs) onsumed each foundational asset

Explanation

Question 108 of 116

Refer to the exhibit. The default scope in choice router recursively calls the color flow.
A web client sends a PUT request to the HTTP listener with payload Blue.
What response is returned to the web client?

Select one of the following:

"Blk"
"Green"
A timeout error
["Blue", "Red", "Blk"]

Explanation

Question 109 of 116

Refer to the exhibits. The Batch job processes an array of strings.

What information is logged by the logger component after the batch job scope completes processing of the input payload?

Select one of the following:

Total Records Processed: 3
Successful Records: 3
Failed Records: 0
payload: ["A","B","C"]
["A","B","C"]
Total Records Processed: 3
Successful Records: 3
Failed Records: 0
payload: ["a","b","c"]
Total Records Processed: 3
Successful Records: 3
Failed Records: 0

Explanation

Question 110 of 116

Refer to the exhibits. Set Variable transformer is set the firstName and lastName of the customer as shown in below images.

What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?

Select one of the following:

firstName
customer.firstName
vars."customer.firstName"
vars."customer"."firstName"

Explanation

Question 111 of 116

A REST connect module is generated for a RAML specification. and then the rest connect module is imported in mule application in Anypoint Studio. For each method of the RAML specification , what does the REST connect module provide?

Select one of the following:

A scope
A flow
An operation
An event source

Explanation

Question 112 of 116

Refer to the exhibits. The Batch Job scope contains two Batch Steps scopes with different accept expression.

The input payload is passed to the Batch Job scope.

After the entire payload is processed by the batch job scope , what messages have been logged by the Logger component?

Select one of the following:

{amount=140}
{amount=102}
{step2amount=100}
{amount=140}
{amount=102}
{step2amount=100}
{step2amount=40}
{amount=140}
{amount=102}
{step2amount=100}
{step2amount=140}
{amount=140}
{amount=102}
{step2amount=100}
{step2amount=140}
{step2amount=102}

Explanation

Question 113 of 116

Refer to the exhibit. How should be the where clause written for the configured input parameters in such a way that it achieves below SQL query?

SELECT * from accounts WHERE city=attributes.queryParams.city and state=attributes.queryParams.state

Select one of the following:

WHERE city := ${city} AND state := ${state}
WHERE city = attributes.city AND state = attributes.state
WHERE city = :city AND state = :state
WHERE city := city AND state := state

Explanation

Question 114 of 116

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

Select one of the following:

trains:
{(
a map ((engId, index) ->
train: {
TrainNumber: engId

}
)
)}
trains:
a map ((engId, index) ->
train: {
TrainNumber: engId

}
)
{(
trains:
a map ((engId, index) ->
train: {
TrainNumber: engId

}
)
)}
{
trains:
a map ((engId, index) ->
train: {
TrainNumber: engId

}
)
}

Explanation

Question 115 of 116

In the execution of the Scatter_Gather, the flow1 route completes after 10 seconds and the flow2 route completes after 20 seconds.
How many seconds does it take for the Scatter_Gather to complete?

Select one of the following:

Explanation

Question 116 of 116

What is the output payload in the On Complete phase

Select one of the following:

Summary statistics with NO record data
The records processed by the last batch step: [StepTwol, StepTwo2, StepTwo3]
The records processed by all batch steps: [StepTwostepOnel, stepTwostepOne2, StepTwoStepOne3]
The original payload: [1,2,31]

Explanation

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	Created by Laura Sánchez almost 3 years ago

Digital Technologies Quiz on MuleSoft Certified Developer - Level 1 (Mule 4) (Part 2), created by Laura Sánchez on 13/12/2021.

MuleSoft Certified Developer - Level 1 (Mule 4) (Part 2)

MuleSoft Certified Developer - Level 1 (Mule 4) (Part 2)

Question 1 of 116

Refer to the exhibits. The Set Payload component sets the payload to a Map object (not an Array). The File Write operation writes out files based on this Map object. How many files are written to the file system when the flow executes?

Select one of the following:

Explanation

Question 2 of 116

Refer to the exhibit. The payload [1,2,3] is passed to the Batch Job scope. In Batch_Step_1, a variable named batchStepPayload is set to the current payload. What is the value of the last log message after one batch job completes?

Select one of the following:

Explanation

Question 3 of 116

Refer to the exhibit. What are the values of the counter and stepVar variables in the On Complete pase/after the Batch Job?

Select one of the following:

Explanation

Question 4 of 116

Refer to the exhibits. What is the output of the Logger component in the Batch Job?

Select one of the following:

Explanation

Question 5 of 116

Refer to the exhibit. The main Flow contains a Flow Reference for the child Flow. After a web client submits a request to http://localhost:8081/order?color=red, what values are accesible in the child Flow?

Select one of the following:

Explanation

Question 6 of 116

Refer to the exhibits. The orders.csv file is read and then processed to look up the orders in a database. The Mule application is debugged in Anypoint Studio and stops at the breakpoint. What payload is shown in the debugger at this breakpoint?

Select one of the following:

Explanation

Question 7 of 116

Select one of the following:

Explanation

Question 8 of 116

Select one of the following:

Explanation

Question 9 of 116

Select one of the following:

Explanation

Question 10 of 116

Refer to the exhibit. The RAML file defines a method to create users. What is the correct way to create a user in a web client?

Select one of the following:

Explanation

Question 11 of 116

A Utility.dwl file is located in a Mule Project at src/main/resources/modules. The Utility.dwl file defines a function named pascalize that reformats strings to pascal case. What is valid DataWeave code to call the pascalize function in a Transform Message component?

Select one of the following:

Explanation

Question 12 of 116

Refer to the exhibits. The Mule application does NOT define any global error handler elements. What is the response to a web client request to http://localhost:8081?

Select one of the following:

Explanation

Question 13 of 116

Refer to the exhibits. When the Flow executes, the now() function in the Transform Message component returns “2021-08-26T13:32:10.64-07:00”. What is written to the records.csv file when the flow executes?

Select one of the following:

Explanation

Question 14 of 116

Refer to the exhibits. The Mule application does NOT Define any global handlers. The main flow is configured with three error handlers. A web client submits a request to the HTTP listener and the HTTP request throws an HTTP:NOT_FOUND error. What response is returned?

Select one of the following:

Explanation

Question 15 of 116

Refer to the exhibit. How many private flows does APIkit generate from the RAML specification?

Select one of the following:

Explanation

Question 16 of 116

Refer to the exhibits. A web client submits a request to http://localhost:8081/flights What is the result at the end of the flow?

Select one of the following:

Explanation

Question 17 of 116

Select one of the following:

Explanation

Question 18 of 116

Refer to the exhibits. A web client makes an HTTP GET request to the flow’s HTTP Listener. The Validation component throws an error with message “Validate - Payload is an Integer”. What response message is returned to the web client?

Select one of the following:

Explanation

Question 19 of 116

Refer to the exhibits. In this Mule application files are written from inside a For Each scope. What is written to the file system when the Flow executes, and what payload is returned in the response to the web client?

Select one of the following:

Explanation

Question 20 of 116

Refer to the below exhibit. A Mule application configures a property placeholder file named config.yaml to set some property placeholders for an HTTP connector. What is the valid properties placeholder file to set these values?

Select one of the following:

Explanation

Question 21 of 116

Refer to the exhibits. The Set Payload component sets the payload to a Map object (not an Array). The File Write operation writes out files based on this Map object.

How many files are written to the file system when the flow executes?

Refer to the exhibit. The RAML file defines a method to create users.
What is the correct way to create a user in a web client?

A Utility.dwl file is located in a Mule Project at src/main/resources/modules. The Utility.dwl file defines a function named pascalize that reformats strings to pascal case.
What is valid DataWeave code to call the pascalize function in a Transform Message component?

Refer to the exhibits. The Mule application does NOT define any global error handler elements.
What is the response to a web client request to http://localhost:8081?

Refer to the exhibits. When the Flow executes, the now() function in the Transform Message component returns “2021-08-26T13:32:10.64-07:00”.
What is written to the records.csv file when the flow executes?

Refer to the exhibits. The Mule application does NOT Define any global handlers. The main flow is configured with three error handlers. A web client submits a request to the HTTP listener and the HTTP request throws an HTTP:NOT_FOUND error.

What response is returned?

Refer to the exhibits. A web client submits a request to http://localhost:8081/flights
What is the result at the end of the flow?

Refer to the exhibits. A web client makes an HTTP GET request to the flow’s HTTP Listener. The Validation component throws an error with message “Validate - Payload is an Integer”.
What response message is returned to the web client?

Refer to the below exhibit. A Mule application configures a property placeholder file named
config.yaml to set some property placeholders for an HTTP connector. What is the valid properties placeholder file to set these values?

Refer to the exhibits. In the choice router, the When expression for the domestic shipping route is set to
"#[payload= "FR"]". What is the output of logger after the execution of choice router is completed?

Refer to the exhibits.

The mule application implements a REST API that accepts GET request from two URL's which are as follows.
What path value should be set in HTTP listener configuration so that requests can be accepted for both these URL's using a single HTTP listener event source?

Refer to the exhibits. In the color flow, both the variable named color and payload are set to "red".
An HTTP POST request is then sent to the decideColor flow's HTTP Listener. What is the payload value at the Logger component after the HTTP Request completes?