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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter. The button looks to be clicked, but the LWC simply sits there, seemingly doing nothing.
What should the developer use to ensure error messages are properly displayed?

A) Add the <apex:messages/> tag to the component.
B) Add a try-catch block surrounding the DML statement.
C) Use the Database method with a110rNone Set to false.
D) Add JavaScript and HTML to display an error message.

2. Salesforce users consistently receive a "Maximum trigger depth exceeded" error when saving an Account. How can a developer fix this error?

A) Split the trigger logic into two separate triggers.
B) Use a helper class to set a Boolean to TRUE the first time a trigger 1s fired, and then modify the trigger ta only fire when the Boolean is FALSE.
C) Convert the trigger to use the 3suzure annotation, and chain any subsequent trigger invocations to the Account object.
D) Modify the trigger to use the L=MultiThread=true annotation,

3. A Salesforce developer is hired by a multi-national company to build a custom Lightning application that shows employees their employment benefits and earned commissions over time. The application must acknowledge and respect the user's locale context for dates, times, numbers, currency, and currency symbols.
When using Aura components, which approach should the developer implement to ensure the Lightning application complies with the user's locale?

A) Use the $Lacale value provider to retrieve the user preferences.
B) Create a Hierarchical custom setting to store user preferences.
C) Use the $Label global value provider.
D) Use the $User global variable to retrieve the user preferences.

4. A company has code to update a Request and Request Lines and make a callout to their external ERP system's REST endpoint with the updated records.

The callousUtil.makeRestCallout fails with a "You have uncommitted work pending. Please commit or rollback before calling cut' error. What should be done to address the problem?

A) Remove the Database. setSavepoint and Database. rollback.
B) Change the CallousUtill .makeRestCallout to an @future method.
C) Change the callousUtil makeRestCallout to an @InvocsblsMethod method.

5. Consider the following code snippet:

As part of the deployment cycle, a developer creates the following test class:

When the test class runs, the assertion fails. Which change should the developer implement in the Apex test method to ensure the test method executes successfully? A)

B)

C)

D)

A) Option C
B) Option B
C) Option A
D) Option D

Solutions: