Free Access Salesforce.PDII.v2023-03-27.q124 Practice Test (Page 7)

Question 26

A Visualforce Page throws an Attempt to dereference a null object error for a Contact. What change In the controller will fix the error?

A.Change the getter's signature to be static Contact.

B.Declare a static final Contact at the top of the controller.

C.Use a condition in the getter to return a new Contact if it is null.

D.Change the setters signature to return a Contact.

Question 27

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?

A.Decorate the server-side method with @AuraEnabled(storagele=true).

B.Decorate the server-side method with @AuraEnabled(caccheable-true).

C.Set a cookie in the browser for use upon return to the page.

D.Call the setstoreable () method on the action in the JavaScript client-side code.

Question 28

Employee_c is a Child object of Company_c. The Company_c object has an external Id field Company_ld_c.
How can a developer insert an Employee_c record linked to Company_c with a Company_ld_c of '999'?

A.Employee_c emp = new Employee_c(Name=fDeveloperf); emp.Company_r = new Company _ r(Company Id c=f999f) insert emp;

B.Employee_c emp = new Employee_c(Name=fDeveloperT); emp. Company_c = new Company_c(Company_Id_c=f 999 T) insert emp;

C.Employee_c emp = new Employee_c(Name=fDeveloperf); emp.Company_r = f999f insert emp;

D.Employee_c emp = new Employee_c(Name=fDeveloperf); emp.Company_c = f999f insert emp;

Question 29

A company wants to incorporate a third-party web service to set the Address fields when an Account is inserted, if they have not already been set. What is the optimal way to achieve this?

A.Create an after insert trigger, call an @future(callout=true) method from it, and make the callout from that Apex method.

B.Create an after insert trigger, call an Apex @InvocableMethod method from it, and make the callout from that Apex method

C.Create a Process, call an Apex @InvocableMethod from it, and make the callout from that Apex method.

D.Create a Process, call an Apex @future(callout=true) method from it, and make the callout from that Apex method.

Question 30

A developer must perform a complex SOQL query that joins two objects in a Lightning component. how can the Lightning component execute the query?

A.Invoke an Apex dass with the method annotated as @AiraEnabled to perform the query.

B.Create a Process Builder to execute the query and invoke from the Lightning component.

C.Use the SaJesforce Streaming API to perform the SOQL query.

D.Write the query in a custom Lightning web component wrapper and invoke from the Lightning component.

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Question 26

Question 27

Question 28

Question 29

Question 30

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