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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question 1

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. An Apex method prepares and returns data to the component.
What should the developer do to determine which objects to include in the response?

A. Use the getcustomobjects() method from the Schema class.
B. Import the list of all custom objects from @salesforce/schema.
C. Check the getobiectType [) value for 'Custom' or "Standard' on the sObject describe result.
D. Check the isCustom() value on the sObject describe result.

Question 2

A developer is working on an integration between Salestorce and an external system. The integration requires sending a large amount of data to the external systern, which can cause long response times and timeouts.
To optimize the performance and avoid timeouts, which technique should be used?

A. Increase the timeout limit in the callout options,
B. Implement an asynchronous callout using the Continuation class,
C. Use a chained batch Apex to split the data into smaller batches.
D. Use the @future annotation to make the callout asynchronous.

Question 3

Refer to the following code snippets:
A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunities 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?

A. Use the Cacheable=true attribute in the Apex method,
B. Edit the code to use the w. cut sharing keyword in the Apex class.
C. Ensure the OWD for the Opportunity object is Public.
D. Use the Continuation=true attribute in the Apex method.

Question 4

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

A. Custom settings
B. Static resources
C. system.Cookie class
D. Custom metadata

Question 5

A page throws an 'Attempt to dereference a null object' error for a Contact.
What change in the controller will fix the error?

A. Use a condition in the getter to return a new Contact if it is null.G Change the setter's signature to return a Contact.
B. Change the getter's signature to be static Contact.
C. Declare a static final Contact at the top of the controller.

Solutions: