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Salesforce Certified Platform Developer II Practice Test - Questions Answers, Page 35

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Question 341

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What are three reasons that a developer should write Jest tests for Lightning web components? Choose 3 answers

Question 342

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A developer created a Lightning web component for the Account record page that displays the five most recently contacted Contacts for an Account. The Apex method, getRecentContacts, returns a list o

Question 343

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A developer writes a lightning web component that displays a dropdown list of all custom objects in the org from which a user will select Apex method prepares and returns data to the component. Wha

Question 344

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The following code segment is railed from a Trigger handler class from the Opportunity trigger: Which two changes should improve this code and make it more efficient? Choose 2 answers

Question 345

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A developer is asked to find a way to store secret data with an ability to specify which profiles and users can access which secrets. What should be used to store this data?

Question 346

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A developer is working with existing functionality that tracks how many times a stage has changed for an Opportunity. When the opportunity's stage is changed, a workflow rule is fired to increase th

Question 347

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A developer created a class that implement he Queueable interface, as follows: As part of the deployment process, the developer is asked to create a corresponding test class. Which two actions sho

Question 348

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Universal Containers decided to use Salesforce to manage a new hire interview process. A custom object called candidate as created with organization-wide default set to Private. A lookup on the Cand

Question 349

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A developer is writing a Jest for a Lightning web component that conditionally displays child components based on a user's checkbox selections. What should the developer do to property test that th

Question 350

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A business requires that every parent record must have a child record. A developer writes an Apex method with two DML statements to insert a parent record and a child record. A validation rule bloc

Related questions

A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunity owned by the currently logged-in user. When the component is rendered, the following message is displayed: "Error retrieving data" Which modification should be implemented to the Apex class to overcome the issue?

Just prior to a new deployment, the Salesforce Administrator who configured a new order fulfillment process in a developer sandbox suddenly left the company. The users had fully tested all of the changes in the sandbox and signed off on them. Unfortunately, although a Change Set was started, it was not complete. A developer is brought in to help finish the deployment. What should the developer do to identify the configuration changes that need to be moved into production?

As part of a new integration, a developer is asked to implement a new custom search functionality that is capable of performing unrestricted queries and can account for all values within a custom picklist field, type__z, on the Opportunity object. The search feature must also account for NULL values. The organization-wide default for the Opportunity object is set to Public Read-Only, and a new custom index has. been created for the Type__c field. There are more than 5 million Opportunity records within the environment. and a considerable amount of the existing records have NULL values for the picklist Which technique should the developer implement to maximize performance when querying NULL values?

Refer to the following code snippet: A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers

A developer is developing a reuseable Aura Component that will reside on an sObject Lightning Page with the following HTML snippet: <aura:component implements="force:hasRecordId,flexipage:availableForAIIPageTypesM> <div>Hello!</div> </aura:component> How can the component's Controller get the context of the Lightning Page that the sObject is on without requiring additional test coverage?

A developer wants to write a generic Apex method that will compare the Salesforce Name filed between any two object records, for example to compare the Name field of an Account and an Opportunity; or the name of an Account and a Contact. How should the developer do this?

Given the following code: Assuming there were 10 Contacts and five Accounts created today, what is the expected result?

Which statement is true about using ConnectApi namespace (also called Chatter in Apex)? (Choose two.)

A Visualforce page loads slowly due to the large amount of data it displays. Which strategy can a developer use to improve the performance?

Universal Containers decided to use Salesforce to manage a new hire interview process. A custom object called candidate as created with organization-wide default set to Private. A lookup on the Candidate object sets an employee as an the viewer user

Question 341

What are three reasons that a developer should write Jest tests for Lightning web components?

Choose 3 answers

To test basic user interaction

To verify that events fire when expected

To test how multiple components work together

To verify the DOM output of a component

To test a component's non-public properties

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A developer created a Lightning web component for the Account record page that displays the five most recently contacted Contacts for an Account. The Apex method, getRecentContacts, returns a list of Contacts and will be wired to a property in the component.

Which two lines must change in the above ode to make the Apex method able to be wired?

Choose 2 answers

Add AuraEnanled(cacheabletrue) to the line 08

Remove private from line 09.

Add @AuraEnabled (cacheabletrue) to line 03.

Add public to line 04.

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Question 343

A developer writes a lightning web component that displays a dropdown list of all custom objects in the org from which a user will select Apex method prepares and returns data to the component.

What should the developer do to determine which objects to include m the response?

Check the isCustom ( ) value on the sObject describe result.

Use the getCustomObject ( ) method from the Schema class.

Import the list of all custom objects from @salesforce/schema.

Check the getObjectType () value for Custom' or 'Standard' on the sObject describe result.

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Question 344

The following code segment is railed from a Trigger handler class from the Opportunity trigger:

Which two changes should improve this code and make it more efficient? Choose 2 answers

Move the DML outside of the for loop.

Move the SOQL to fetch the account record outside of the for loop.

Move business logic inside the Opportunity trigger.

Use Triginstead.old instead of Trigger.new.

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Question 345

A developer is asked to find a way to store secret data with an ability to specify which profiles and users can access which secrets.

What should be used to store this data?

Static resources

Custom settings

Custom metadata

System.Cookie class

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Question 346

A developer is working with existing functionality that tracks how many times a stage has changed for an Opportunity. When the opportunity's stage is changed, a workflow rule is fired to increase the value of a filed by one. The developer wrote an after trigger to create a child record when the field changes from 4 to 5.

A user changes the stage of an Opportunities and manually sets the count field to 4. The count field updates to 5, but the child record is not created.

What is the reason this is happening?

After triggers fire before workflow rules.

After triggers are not fired after field updates.

Trigger .new does not change after a field update.

Trigger .old does not contain the updated value of the count field.

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Question 347

A developer created a class that implement he Queueable interface, as follows:

As part of the deployment process, the developer is asked to create a corresponding test class.

Which two actions should the developer take to successfully execute the test class?

Choose 2 answers

Ensure the running user of the test class has, at least, the View All permission on the Order object

Enclose System.enqueueJob (new orderQueueable Job ( }) within Test. starttest and Test, stoptest ()

Implement seeAllData-true to ensure the Queueable )ob is able to run in bulk mode.

Implement Test.isRunningtest ( ) to prevent chaining jobs during test execution.

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Question 348

The record can be shared using a permission set.

The record can be shared using a sharing rule.

The record cannot be shared with the current setup

The record can be shared an Apex class.

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Question 349

A developer is writing a Jest for a Lightning web component that conditionally displays child components based on a user's checkbox selections.

What should the developer do to property test that the correct components display and hide for each scenario?

Reset the DOM after each test with the after Each method.

Add a teardown block to reset the DOM after each test.

Create a new describe block for each test

Create a new jsdom instance for each test

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Question 350

A business requires that every parent record must have a child record. A developer writes an Apex method with two DML statements to insert a parent record and a child record.

A validation rule blocks child records from being created. The method uses a try/catch block to handle the DML exception.

What should the developer do to ensure the parent always has a child record?

Use Database.insert () and set the allorNone parameter to true.

Use addError () on the parent record if an error occurs on the child record.

Set a database savepoint to rollback if there are errors.

Delete the parent record in the catch statement when an error occurs on the child record DML operation.

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Total 408 questions