Platform-Developer-II Free Practice Test

- (Exam Topic 3)
Which three actions must be completed in a Lightning web component for a JavaScript file in a static resource to be loaded?
Choose 3 answers

1. A. Reference the static resource in a <script> tag.
2. B. Import the static resource.
3. C. Import a method from the platformftesourceLoader,
4. D. Call loadscript.
5. E. Append the static resource to the DOM.

Correct Answer: BCD

- (Exam Topic 3)
A developer migrated functionality from JavaScript demoting to a Lightning web component and wants to use the existing getOpportunities() method to provide data.
Which modification to the method is necessary?

1. A. A The method must be decorated with ©AuraEnabled.
2. B. The method must return a JSON Object.
3. C. The method must be decorated with (cacheable=true).
4. D. The method must return a String of a serialized JSON Array.

Correct Answer: A

- (Exam Topic 3)
A developer created an Apex class that updates an Account based on input from a Lightning web component that is used to register an Account. The update to the Account should only be made if it has not already been registered.

What should the developer do to ensure that users do not overwrite each other’s updates to the same Account if they make updates at the same time?

1. A. Use CastiCase.update(account, false).
2. B. Add a try/catch block around the update.
3. C. Use upsert instead of update.
4. D. Use FOR UPDATE in a SOQL query.

Correct Answer: A

- (Exam Topic 1)
Which of the following standard fields are indexed? (Choose three.)

1. A. Name
2. B. CreatedBy
3. C. SystemModStamp
4. D. LastModifedDdate
5. E. RecordType

Correct Answer: ABC

- (Exam Topic 3)
A developer created a Lightning web component that allows users to input a text value that is used to search for Accounts by calling an Apex method. The Apex method returns a list of AccountWrappers and is called imperatively from a JavaScript event handler.

Which two changes should the developer make so the Apex method functions correctly?
Choose 2 answers

1. A. Add @AuraEnafcle3 to line 09.
2. B. Add @AuraEnabled to line 03.
3. C. Add @AuraEnabled to lines 11 and 12.
4. D. Add @AuraEnat:ei to line 01.

Correct Answer: BC