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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Part of a custom Lightning component displays the total number of Opportunities in the org, which are in the millions. The Lightning component uses an Apex method to get the data it needs.
What is the optimal way for a developer to get the total number of Opportunities for the Lightning component?

A) COUNT () SOQL aggregate query on the Opportunity object
B) SOQL for loop that counts the number of Opportunities records
C) SUM () SOQL aggregate query on the Opportunity object
D) Apex batch job that counts the number of Opportunity records

2. When the code is executed, the callout is unsuccessful and the following error appears within the Developer Console:
System.CalloutException: Unauthorized endpoint
Which recommended approach should the developer implement
to resolve the callout exception?

A) Use the SetHeader() method to specify Basic Authentication,
B) Create a remote site setting configuration that includes the endpoint.
C) Annotate the getkRFCatalogContents method with @Future (Callout-true),
D) Change the access modifier for ERPCatalog from public to global.

3. Universal Containers stores user preferences in a Hierarchy Custom Setting, User_Prefs_c, with a Checkbox field, Show_Help_c. Company-level defaults are stored at the organizational level, but may be overridden at the user level. If a user has not overridden preferences, then the defaults should be used.
How should the Show_Help_c preference be retrieved for the current user?

A) Boolean show = User_Prefs__c.getInstance().Show_Help__c;
B) Boolean show = User_Prefs__c.getValues(UserInfo.getUserId()).Show_Help__c;
C) Boolean show = User_Prefs__c.getValues().Show_Help__c;
D) Boolean show = User_Prefs__c.Show_Help__c;

4. A Salesforce Platform Developer is leading a team that is tasked with deploying a new application to production. The team has used source-driven development, and they want to ensure that the application is deployed successfully.
What tool or mechanism should be used to verify that the deployment is successful?

A) Force.com Migration Tool
B) Salesforce DX CLI
C) Apex Test Execution
D) Salesforce Inspector

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) Declare a static final Contact at the top of the controller.
B) 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.
C) Change the getter's signature to be static Contact.

Solutions: