Platform-Developer-II Free Practice Test

- (Exam Topic 3)
A developer used custom settings to store some configuration data that changes occasionally. However, tests are now failing in some of the sandboxes that were recently refreshed.
What should be done to eliminate this issue going forward?

1. A. Set the setting type on the custom setting to List.
2. B. Replace custom settings with custom metadata.
3. C. Set the setting type on the custom setting to Hierarchy.
4. D. Replace custom settings with static resources.

Correct Answer: B

- (Exam Topic 1)
A developer has written the following method: static void processList(List input){ Which code block can be used to call the method?

1. A. processList (ace)
2. B. processList ([FIND 'Acme" 'RETURNING Account])
3. C. processList([SELECT Id, Name FROM sObject WHERE Type = 'Account'])
4. D. for Account ace : [SELECT Id, Name FROM Account])

Correct Answer: C

- (Exam Topic 3)
A developer wrote an Apex method that makes an HTTP callout to an external system to get specialized data when a button is clicked from a custom Lightning web component on the Account record page.
Recently, users have complained that it takes longer than desired for the data to appear on the page after clicking the button.
What should the developer use to troubleshoot this issue?

1. A. Lightning Inspector
2. B. Developer Console
3. C. Salesforce CU
4. D. Event Logs

Correct Answer: A

- (Exam Topic 3)
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?

1. A. apex:messages
2. B. aura:messages
3. C. lightning-messages
4. D. lightning-error

Correct Answer: C

- (Exam Topic 3)
A developer wishes to improve runtime performance of Apex calls by caching results on the client. What is the most efficient way to Implement this?

1. A. Set a cookie in the browser for use upon return to the page.
2. B. Decorate the server-side method with @AuraEnabled(storagele=true).
3. C. Decorate the server-side method with @AuraEnabled(caccheable-true).
4. D. Call the setstoreable () method on the action in the JavaScript client-side code.

Correct Answer: C