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Salesforce DEV 401 Quizzes Dumps preparing certified

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SALESFORCE DEV-401 Certification Evaluation 2

Frage 1 von 59

1

What can a lightning component contain in its resource bundle?
Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • CSS styles scoped to the component.

  • Custom Client-side rendering behavior.

  • Build scripts for minification.

  • Properties files with global settings.

Erklärung

Frage 2 von 59

1

A custom object has an organization-wide default setting of private with Grant Access Using Hierarchies check box turned off. Which users can select the Sharing button on record for that object?

Wähle eine der folgenden:

  • The record owner, a user shared to the record, any user above the record owner in the role hierarchy administrator profile

  • The record owner, a user above the record owner in the role hierarchy, and a user with the system

  • Only the record owner and a user with the System Administrator profile

  • The record owner, a user with the System Administrator profile, and a user shared to the record.

Erklärung

Frage 3 von 59

1

In the Lightning Component framework, which resource can be used to fire events?
Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • Visualforce controller actions.

  • Third-party web service code.

  • Third-party JavaScript code.

  • JavaScript controller actions.

Erklärung

Frage 4 von 59

1

A wants to list all of the Tasks for each Account on the Account detail page. When a Task is created for a Contact, What does the developer need to do to display the Task on the related Account records?

Wähle eine der folgenden:

  • Create an account formula field that display the task information.

  • Nothing. The task is automatically displayed on the Account page

  • Create a workflow Rule to relate the Task to the Contact`s Account.

  • Nothing. The Task cannot be related to an Account and a Contact.

Erklärung

Frage 5 von 59

1

A Visualforce page has a standard controller for an object that has a lookup relationship to a parent object.

How can a developer display data from the parent record on the page?

Wähle eine der folgenden:

  • By using SOQL on the Visualforce page to query for data from the parent record.

  • By using merge field syntax to retrieve data from the parent record.

  • By adding a second standard controller to the page for the parent record.

  • By using a roll-up formula field on the child record to include data from the parent record.

Erklärung

Frage 6 von 59

1

A developer runs the following anonymous code block:

List<Account> acc = [SELECT ID FROM Account LIMIT 10];

Delete acc;

Database.emptyRecycleBin(acc);

System.debug(Limits.getDMLStatements()+’, ‘+Limits.getLimitDMLStatements());

What is the result?

Wähle eine der folgenden:

  • 11, 150

  • 150, 2

  • 150, 11

  • 2, 150

Erklärung

Frage 7 von 59

1

Which statement about change set deployments is accurate?

Choose 3 answers

Wähle eine oder mehr der folgenden:

  • They can be used only between related organizations.

  • They require a deployment connection.

  • They use an all or none deployment model.

  • They can be used to transfer Contact records.

  • They can be used to deploy custom settings data.

Erklärung

Frage 8 von 59

1

Which action can a developer perform in a before update trigger?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • Update the original object using an update DML operation.

  • Delete the original object using a delete DML operation.

  • Change field values using the Trigger.new context variable.

  • Display a custom error message in the application interface.

Erklärung

Frage 9 von 59

1

A reviewer is required to enter a reason in the comments field only when a candidate is which action can a developer take to enforce this requirement?

Wähle eine der folgenden:

  • Create a required comments field.

  • Create a formula field.

  • Create a validation rule.

  • Create a required Visualforce component.

Erklärung

Frage 10 von 59

1

What is a capability of formula fields?

Choose 3 answers.

Wähle eine oder mehr der folgenden:

  • Display the previous value for a field using the PRIORVALUE function.

  • Return and display a field value from another object using the VLOOKUP function

  • Determine which of three different images to display using the IF function.

  • Generate a link using the HYPERLINK function to specific record in a legacy system.

  • Determine if a datetime field has passed using the NOW function.

Erklärung

Frage 11 von 59

1

Where can a developer call external JavaScript in a Visualforce page?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • <apex:includeScript>

  • <link>

  • <apex:define>

  • <script>

Erklärung

Frage 12 von 59

1

When the value of a field in an account record is updated, which method will update the value of a custom field related opportunities?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • An apex trigger on the account object.

  • A process builder on the account object.

  • A cross-object formula field on the Account object.

  • A workflow rule on the account object.

Erklärung

Frage 13 von 59

1

What is the result of following code block?

integer x = 1;

integer y = 0;

while(x < 10){

y++;

}

What is the output?

Wähle eine der folgenden:

  • Error

  • 9

  • 0

  • 10

Erklärung

Frage 14 von 59

1

What features are available when writing apex test classes?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • The ability to select error types to ignore in the developer console.

  • The ability to write assertions to test after a @future method.

  • The ability to set and modify the CreatedDate field in apex tests.

  • The ability to set breakpoints to freeze the execution at a given point.

  • The ability to select testing data using .csv files stored in the system.

Erklärung

Frage 15 von 59

1

A developer writes a SOQL query to find child records for a specific parent. How many levels can be returned in a single query?

Wähle eine der folgenden:

  • 3

  • 5

  • 1

  • 7

Erklärung

Frage 16 von 59

1

A developer needs to know if all tests currently pass in a Salesforce environment. Which feature can the developer use?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • Developer console

  • ANT Migration Tool

  • Salesforce UI Apex Test Execution.

  • Workbench Metadata Retrieval

Erklärung

Frage 17 von 59

1

Which of these statements are true about the "view state" inspector?
Select all that apply.

Wähle eine oder mehr der folgenden:

  • Shows components contributing to view state

  • Must be enabled on a user profile

  • Is displayed only when using <apex: form>

  • Is controlled by the Role Hierarchy

Erklärung

Frage 18 von 59

1

Which statement would a developer use when creating test data for products and pricebooks?

Wähle eine der folgenden:

  • List Object = Test.loadData(Account.sOjbectType, 'myResource');

  • Pricebook pb = new Pricebook();

  • Id pricebookId = Test.getStandardPricebookId();

  • IsTest(seeAllData=false)

Erklärung

Frage 19 von 59

1

On which object can an administrator create a roll-up summary field?

Wähle eine der folgenden:

  • Any object that is on the master side of a master-detail relationship.

  • Any object that is on the parent side of a lookup relationship.

  • Any object that is on the detail side of a master-detail relationship.

  • Any object that is on the child side of a lookup relationship.

Erklärung

Frage 20 von 59

1

Which code block returns the listview of an Account object using the following debug statement?

system.debug(controller.getListViewOptions());

Wähle eine der folgenden:

  • ApexPages.StandardSetController controller = new Apexpages.StandardSetController([SELECT id FROM Account LIMIT 1]);

  • ApexPages.StandardController controller = new ApexPages.StandardController

    (Database.getQueryLocator('select id from account limit 1')).

  • ApexPages.StandardController controller = new ApexPages.StandardController ([SELECT id FROM Account LIMIT 1]);

  • ApexPages.StandardSetController controller = new

    ApexPages.StandardSetController(database.getQueryLocator('select id from Account Limit 1')).

Erklärung

Frage 21 von 59

1

A developer has the following code.

try {

List<String> nameList;

Account a;

String s = a.Name;

nameList.add( s );

}
catch ( ListException le ){

System.debug('List Exception');

}
catch ( NullPointerException npe ){

System.debug('NullPointer Exception');

}
catch ( Exception e ){
System.debug('Generic Exception');

}
What message would be logged?

Wähle eine der folgenden:

  • No message is logged

  • Generic Exception

  • List Exception

  • NullPointer Exception

Erklärung

Frage 22 von 59

1

Which user can edit a record after it has been locked for approval?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • An administrator.

  • Any user who approved the record previously.

  • A user who is assigned as the current approver.

  • Any user with a higher role in the hierarchy.

Erklärung

Frage 23 von 59

1

Visualforce components are similar to which type of tag library containing tag namespace prefixes?

Wähle eine der folgenden:

  • ASP tag library

  • JSP tag library

  • ASP log file

  • DL JSP log file

Erklärung

Frage 24 von 59

1

Which of these statements is true for encrypted custom fields?
Select all that apply.

Wähle eine oder mehr der folgenden:

  • Encrypted fields can be included in Search results.

  • Encrypted fields can be included in report results.

  • Encrypted fields are not available in filters for list views, reports, and Roll-up summary fields.

  • Encrypted fields are not available for validation rules or Apex scripts.

Erklärung

Frage 25 von 59

1

A developer creates an apex helper class to handle complex trigger logic. How can the helper class warm users when the trigger exceeds DML governor limits?

Wähle eine der folgenden:

  • By using ApexMessage.Message() to display an error message after the number of DML

  • By using Messaging.sendEmail() to continue the transaction and send an alert to the user after the number of DML statements is exceeded.

  • By using PageReference.setRedirect() to redirect the user to a custom Visualforce page before the number of DML statements is Exceeded

  • By using limits.getDMLRows() and then displaying an error message before the number of DML statement exceeded

Erklärung

Frage 26 von 59

1

Which declarative method helps ensure quality data?

Choose 3 answers.

Wähle eine oder mehr der folgenden:

  • Exception handling.

  • Workflow alerts.

  • Validation rules.

  • Lookup filters.

  • Page layouts.

Erklärung

Frage 27 von 59

1

A hierarchy custom setting stores a specific URL for each profile in Salesforce.

Which statement can a developer use to retrieve the correct URL for the current user's profile and display this Visualforce page?

Wähle eine der folgenden:

  • {!$Setup.Url_Settings__c.Instance[Profile.Id].URL_CC}

  • {!$Setup.Url_Settings__c.URL__c}

  • {!$Setup.Url_Settings__c[Profile.Id].URL__c}

  • {!$Setup.Url_Settings__c[$Profile.Id].URL__c}

Erklärung

Frage 28 von 59

1

A developer has the following query:

Contact c = [SELECT id, firstname, lastname, email FROM Contact WHERE lastname = ’Smith’];

What does the query return if there is no Contact with the last name “Smith”?

Wähle eine der folgenden:

  • A contact with empty values.

  • A contact initialized to null.

  • An empty list of contacts.

  • An error that no rows are found.

Erklärung

Frage 29 von 59

1

Which developer tool can be used to create a data model?
Select all that apply.

Wähle eine oder mehr der folgenden:

  • Schema Builder

  • Force.com Data Loader

  • Application Data Model wizard

  • Force.com IDE

Erklärung

Frage 30 von 59

1

What is the proper process for an apex unit test?

Wähle eine der folgenden:

  • Query for test data using SeeAllData =true. Call the method being tested. Verify that the results are correct.

  • Create data for testing. Execute runAllTests(). Verify that the results are correct.

  • Create data for testing. Call the method being tested. Verify that the results are correct.

  • Query for test data using SeeAllData = true. Execute runAllTests(). Verify that the results are correct.

Erklärung

Frage 31 von 59

1

How would a developer determine if a CustomObject__c record has been manually shared with the current user in Apex?
Select all that apply.

Wähle eine oder mehr der folgenden:

  • By calling the isShared() method for the record.

  • By querying the role hierarchy.

  • By querying CustomObject__share.

  • By calling the profile settings of the current user.

Erklärung

Frage 32 von 59

1

What is an accurate statement about variable scope?

Choose 3 answers.

Wähle eine oder mehr der folgenden:

  • Sub-block cannot reuse a parent block`s variable name.

  • A variable can be defined at any point in a block.

  • Parallel blocks can use the same variable name.

  • Sub-blocks can reuse a parent block’s variable name if their value is null.

  • A static variable can restrict the scope to the current block if its value is null.

Erklärung

Frage 33 von 59

1

Which data type or collection of data types can SOQL statements populate or evaluate to?

Choose 3 answers.

Wähle eine oder mehr der folgenden:

  • A Boolean.

  • An integer.

  • A List of SObjects

  • A single SObject

  • A string

Erklärung

Frage 34 von 59

1

Which scenario is invalid for execution by unit tests?

Wähle eine der folgenden:

  • Executing methods for negative tests scenarios.

  • Executing methods as different users.

  • Loading test data in place of user input for Flows.

  • Loading the standard pricebook ID using a system method.

Erklärung

Frage 35 von 59

1

What is a good practice for a developer to follow when writing a trigger?
Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • Using the Map data structure to hold query results by ID.

  • Using @ future methods to perform DML operations.

  • Using the Set data structure to ensure distinct records.

  • Using synchronous callouts to call external systems.

Erklärung

Frage 36 von 59

1

What is a capability of the Force.com IDE?
Choose 2

Wähle eine oder mehr der folgenden:

  • Edit metadata components.

  • Run Apex tests.

  • Download debug logs.

  • Roll back deployments

Erklärung

Frage 37 von 59

1

Universal containers has included its orders as an external data object into Salesforce. You want to create a relationship between Accounts and the Orders object (one-to-many relationship) leveraging a key field for account which is on both external object and Account. Which relationship do you create?

Wähle eine der folgenden:

  • Indirect Lookup Relationship

  • External Lookup Relationship

  • Hierarchical Relationship

  • Lookup Relationship

  • Master-Detail Relationship

Erklärung

Frage 38 von 59

1

A customer wants to add a custom validation to the "contact save" process. Before a contact is created, the customer wants to include the validation, which checks if the associated account is active. This validation should be active for all UI as well as integration requests. Which design accomplishes this goal?

Wähle eine der folgenden:

  • A custom Web service

  • A "before insert" Trigger

  • A custom Visualforce controller

  • A client-side S-control

Erklärung

Frage 39 von 59

1

Where can debug log filter settings be set?
Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • The Filters link by the monitored user's name within the web UI.

  • The show more link on the Debug log's record.

  • On the monitored user's name.

  • The log filters tab on a class or trigger detail page.

Erklärung

Frage 40 von 59

1

Which type of information is provided by the checkpoints tab in the developer Console?
Choose2 answers.

Wähle eine oder mehr der folgenden:

  • Exception

  • Debug statement.

  • Namespace

  • Time

Erklärung

Frage 41 von 59

1

How many times does 'str' is added to the list?

List<String> strLst = new List<String>();

for(Integer i=0;i<99;i++) {

strLst.add('str'+i);

}

strLst.add('str'+'100');

Wähle eine der folgenden:

  • 100

  • 102

  • 0

  • 101

Erklärung

Frage 42 von 59

1

What is a capability of a StandardSetController?
Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • It extends the functionality of a standard or custom controller.

  • It allows pages to perform mass updates of records.

  • It allows pages to perform pagination with large record sets.

  • It enforces fields-level security when reading large record sets.

Erklärung

Frage 43 von 59

1

What is an important consideration when developing in a multi-tenant environment?

Wähle eine der folgenden:

  • Polyglot persistence provides support for a global, multilingual user base in multiple orgs on multiple instances.

  • Governor Limits prevent tenants from impacting performance in multiple orgs on the same instance.

  • Unique domain name takes the place of namespaces for code developed for multiple orgs on multiple.

  • Org-wide data security determines whether other tenants can see data in multiple orgs on the same instances.

Erklärung

Frage 44 von 59

1

In a single record, a user selects multiple values from a multi-select picklist.

How are the selected values represented in apex?

Wähle eine der folgenden:

  • As a string with each value separated by a comma.

  • As a List<string> with each value as an element in the list.

  • As a String with each value separated by a semicolon.

  • As a Set<String> with each value as an element in the set.

Erklärung

Frage 45 von 59

1

A developer creates an Apex class that includes private methods. What can the developer do to ensure that the private method can be accessed by the test class?

Wähle eine der folgenden:

  • Add the TestVisible attribute to the Apex class.

  • Add the SeeAllData attribute to the test methods.

  • Add the SeeAllData attribute to the test class.

  • Add the TestVisible attribute to the Apex methods.

Erklärung

Frage 46 von 59

1

Which statement about the lookup Relationship between a custom object and a Standard object?

Wähle eine der folgenden:

  • The lookup relationship on the custom object can prevent the deletion of the standard object.

  • The lookup Relationship cannot be marked as required on the page layout for the custom.

  • The custom object will be deleted when the referenced Standard Object is deleted.

  • The custom object inherits security from the referenced Standard Object.

Erklärung

Frage 47 von 59

1

How would a developer use Schema Builder to delete a custom field from the account object that was required for prototyping but is no longer needed?

Wähle eine der folgenden:

  • Remove all the references in the code and then the field will be removed from Schema Builder.

  • Remove all references from the code and then delete the custom field from Schema Builder.

  • Mark the field for deletion in Schema Builder and then delete it from the declarative UI.

  • Delete the field from Schema Builder and then all references in the code will be removed.

Erklärung

Frage 48 von 59

1

Where can custom roll-up summary fields be created using Standard object relationship?
Choose 3 answers.

Wähle eine oder mehr der folgenden:

  • On account using case records

  • On account using opportunity records.

  • On opportunity using opportunity product records.

  • On quote using order records.

  • On campaign using campaign member records.

Erklärung

Frage 49 von 59

1

What happens when a workflow is re-evaluated?
Pick 3.

Wähle eine oder mehr der folgenden:

  • Other Workflow types

  • Previous Workflows

  • Validation

  • Cross-object sharing rules

Erklärung

Frage 50 von 59

1

Which statement about declarations is correct?

Wähle eine der folgenden:

  • A developer can use define constant with final keyword.

  • A developer can extend a class that is declared with virtual keyword

  • A developer can’t use class or method using final keyword

  • All of the above

Erklärung

Frage 51 von 59

1

How can a developer determine, from the DescribeSobjectResult, if the current user will be able to create record an object in Apex?

Wähle eine der folgenden:

  • By using the hasAccess() method.

  • By using the isCreatable() method.

  • By using the isInsertable() method.

  • By using the canCreate() method.

Erklärung

Frage 52 von 59

1

What is an accurate constructor for a custom controller named "MyController"?

Wähle eine der folgenden:

  • public MyController(){

    account = new Account();

    }

  • Public MyController(SObject obj){

    account = (Account) obj;

    }

  • public MyController(List<SObject> objects) {

    accounts = (List<Account>)objects;

    }

  • Public MyController(ApexPages.Standardcontroller stdcontroller) {

    account = (Account) stdcontroller.getRecord();

    }

Erklärung

Frage 53 von 59

1

The sales management team requires that the lead source field of the lead record be populated when a lead is converted.

What would a developer use to ensure that a user populates the lead source field prior to converting a lead?

Wähle eine der folgenden:

  • Process builder.

  • Validation rule.

  • Formula Field

  • Workflow rule.

Erklärung

Frage 54 von 59

1

When can a developer use a custom Visualforce page in a Force.com Application?
Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • To create components for dashboards and layouts.

  • To deploy components between two organizations.

  • To generate a PDF document with application data.

  • To modify the page layout settings for a custom object.

Erklärung

Frage 55 von 59

1

The sales management team hire a new intern. The intern is not allowed to view opportunities, but needs to see the most recent closed date of all child opportunities when viewing an account record. What would a developer do to meet this requirement?

Wähle eine der folgenden:

  • Create a work rules on the opportunity object that updates a field on the parent account.

  • Create a formula field on the account object that performs a MAX on the opportunity close date field.

  • Create a roll-up summary field on the account object that performs a MAX on the opportunity close date field.

  • Create a trigger on the Account object that queries the close date of the most recent opportunities.

Erklärung

Frage 56 von 59

1

A company wants recruiting app that models candidates and interviews; displays the total number of interviews each candidate record; and defines security on interview records that is independent from the security on candidate records.

What would a developer do to accomplish this task?

Choose 2 answers.

Wähle eine oder mehr der folgenden:

  • Create a roll-up summary field on the candidate object that counts interview records.

  • Create a master-detail relationship between the candidate and interview objects.

  • Create a lookup relationship between the candidate and interview objects.

  • Create a trigger on the interview object that updates a field on the candidate object.

Erklärung

Frage 57 von 59

1

Which statement should a developer avoid using inside procedural loops?
Choose 2 answers

Wähle eine oder mehr der folgenden:

  • System.debug('Amount of CPU time (in ms) used so far: '+ Limits.getCpuTime());

  • update contactList;

  • List<Contact> contacts = [select id,saluation, firstname, lastname, email from Contact where accountId = :a.Id];

  • if(o.accountid == a.id)

Erklärung

Frage 58 von 59

1

What is the value of x after the code segment executes?

String x= 'A';

Integer i =10;

if(i<15){

i=15;

x='B';

} else

if( i <20){

X = 'C';

}else {

X ='D';

}

Wähle eine der folgenden:

  • B

  • C

  • D

  • A

Erklärung

Frage 59 von 59

1

A developer needs to create a Visualforce page that will override the standard account edit button. The page will be used to validate the account`s address using a SOQL query. The page will also allow the user to make edits to the address.

Where would the developer write the Account address verification logic?

Wähle eine der folgenden:

  • In a Controller Extension.

  • In a Custom Controller.

  • In a Standard controller.

  • In a Standard Extension.

Erklärung