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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. A developer is creating a Lightning web component that displays a list of records in a lightning-datatable. After saving a new record to the database, the list is not updating.

What should the developer change in the code above for this to happen?

A) Call rafrasnApex() ON this.dazta.
B) Create a new variable to store the result and annotate it with @track.
C) Add the @track decorator to the data variable.
D) Create a variable to store the result and call refreshpex().

2. Refer to the test method below''

The test method calls a web service that updates an external system with Account information and sets the Accounts integration_Updated__c checkbox to True when it completes. The test fails to execute and exits with an error: "Methods defined as TestMethod do not support Web service callouts." A) B)

C)

D)

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

3. 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 field 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 Opportunity 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?

A) Trigger.new does not change after a field update.
B) After triggers fire before workflow rules.
C) Trigger.old does not contain the updated value of the count field.
D) After triggers are not fired after field updates.

4. A developer creates a Lightning web component to allow a Contact to be quickly entered. However, error messages are not displayed.

Which component should the developer add to the form to display error messages?

A) lightning-messages
B) apex:messages
C) lightning-error
D) aura:messages

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

A) Modify the trigger to use the L=MultiThread=true annotation,
B) Convert the trigger to use the 3suzure annotation, and chain any subsequent trigger invocations to the Account object.
C) 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.
D) Split the trigger logic into two separate triggers.

Solutions: