Salesforce Plat-Dev-301

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

Question #1
A developer is tasked with creating a Lightning web component that is responsive on various devices, Which two components should help accomplish this goal?
Choose 2 answers

A. Lightning-input-location
B. lightning-navigation
C. lightning-layout--item
D. Lightning-layout

Question #2
Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?

A. Create a reusable Apex class for the AFL integration and invoke it from the relevant Apex classes.
B. Include the API integration code directly in each Apex class that requires it.
C. Store the APT integration code as a static resource and reference it in each Apex class.
D. Use a separate Apex class for each API endpoint to encapsulate the integration logic,

Question #3
Exhibit:

The test method above tests in Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers. The test method fails at the Line 20 because of too many SOQL queries. What is the correct way to fix this?

A. Add Test.startTest() before Line 18 of the code and add Test.stopTest() after line 18 of the code
B. Add Test.startTest() before and Test.stopTest() after both Line 7 of the code and Line 20 of the code
C. Change the DataFactory class to create fewer Accounts so that the number of queries in the trigger is reduced
D. Replace most of the Apex Trigger with Process Builder processes to reduce the number of queries in the trigger

Question #4
What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?

A. ApexPages.StandardController sc = new ApexPages.StandardController(acct);AccountcontrollerExt extension = new AccountControllerExt(sc);
B. ApexPages.Standardcontroller sc = new ApexPages. Standardcontroller (acct.Id) ;AccountControllerExt extension = new AccountControllerExt(sc) ;om
C. AccountControllerExt extension = new AccountControllerExt (acct);
D. AccountControllerExt extension = new AccountControllerExt (acct.Id) ;

Question #5
A developer is writing a Jest test for a Lightning web component that conditionally displays child components based on a user's checkbox selections.
What should the developer do to properly test that the correct components display and hide for each scenario?

A. Create a new describe block for each test.
B. Create a new jsdom instance for each test.
C. Add a teardown block to reset the DOM after each test.
D. Reset the DOM after each test with the after Each() method.

Solutions: