Salesforce Salesforce Certifications PDI Questions & Answers

• Question 421:

  In the Lightning Component framework, where is client-side controller logic contained?

  A. Apex

  B. Visualforce

  C. HTML

  D. JavaScript

  Correct Answer: D

• Question 422:

  Why would a developer use Test. startTest( ) and Test.stopTest( )?

  A. To avoid Apex code coverage requirements for the code between these lines

  B. To start and stop anonymous block execution when executing anonymous Apex code

  C. To indicate test code so that it does not Impact Apex line count governor limits.

  D. To create an additional set of governor limits during the execution of a single test class.

  Correct Answer: D

• Question 423:

  What must the Controller for a Visualforce page utilize to override the Standard Opportunity view button?

  A. The StandardSetController to support related lists for pagination.

  B. The Opportunity StandardController for pre -built functionality.

  C. A callback constructor to reference the StandardController.

  D. A constructor that initializes a private Opportunity variable.

  Correct Answer: B

• Question 424:

  A developer uses a before insert trigger on the Lead object to fetch the Territory_c object, where the Territory_c.PostalCode_c matches the Lead.PostalCode. The code fails when the developer uses the Apex Data Loader to insert 10,000 Lead records. The developer has the following code block: Line-01: for (Lead l : Trigger.new){Line-02: if (l.PostalCode != null) {Line-03: List terrList = [SELECT Id FROM Territory_c WHERE PostalCode_c = :l.PostalCode];Line

  04: if(terrList.size() > 0) Line-05: l.Territory_c = terrList[0].Id; Line-06: }Line-07: }

  Which line of code is causing the code block to fail?

  A. Line-03: A SOQL query is located inside of the for loop code.

  B. Line-01: Trigger:new is not valid in a before insert Trigger.

  C. Line-02: A NullPointer exception is thrown if PostalCode is null.

  D. Line-05: The Lead in a before insert trigger cannot be updated.

  Correct Answer: A

• Question 425:

  A Visual force page displays two fields named Phone Number and Email.User1 has access to Phone Number, but not to Email.User2 has access to Email, but not Phone NumberA developer needs to ensure that User1 can only see Phone Number, and User2 can only see Email.Which method can the developer use to achieve this?

  A. Schema isUpdateable() method.

  B. Schema isAccessible() method.

  C. Schema isReadable() method.

  D. Schema isCreateable() method.

  Correct Answer: B

• Question 426:

  A developer creates a method in an Apex class and needs to ensure that errors are handled properly.What would the developer use? (There are three correct answers.)

  A. ApexPages.addErrorMessage()

  B. A custom exception

  C. .addError()

  D. Database.handleException()

  E. A try/catch construct

  Correct Answer: BCE

• Question 427:

  What can a Lightning Component contain in its resource bundle? Choose 2 answer

  A. Custom client side rendering behavior.

  B. Build scripts for minification

  C. Properties files with global settings

  D. CSS styles scoped to the component

  Correct Answer: AD

• Question 428:

  How would a developer change the field type of a custom field on the Account object from string to an integer?

  A. Make the changes in the developer console, and then the change will automatically be reflected in the Apex code.

  B. Mate the change in the declarative UI, then update the field type to an integer field in the Apex code.

  C. Make the change in the declarative UI, an then the change will automatically be reflected in the Apex code.

  D. Remove all references in the code, make the change in the declarative UI, and restore the references with the new type.

  Correct Answer: D

• Question 429:

  What is a benefit of the Lightning Component framework?Choose 3 answers

  A. It uses client-side Apex controllers for logic.

  B. It uses a traditional publish-subscribe model.

  C. It uses an event-driven architecture

  D. It uses an MVC architectural design pattern.

  E. It uses server-side JavaScript controller for logic.

  Correct Answer: BCD

• Question 430:

  The initial value for a number field on a record is 1. A user updated the value of the number field to

  10. This action invokes a workflow field update, which changes the value of the number field to 11. After the workflow field update, an update trigger fires.What is the value of the number field of the object that is obtained from Trigger.old?

  A. Null

  B. 11

  C. 1

  D. 10

  Correct Answer: C