Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 71:

  What is the result of the debug statements in testMethod3 when you create test data using testSetup in below code?

  

  A. Account0.Phone=333-8781, Account1.Phone=333-8780
  B. Account0.Phone=888-1515, Account1.Phone=999-2525
  C. Account0.Phone=333-8780, Account1.Phone=333-8781
  D. Account0.Phone=888-1515, Account1.Phone=999-1515
  C. Account0.Phone=333-8780, Account1.Phone=333-8781

• Question 72:

  A developer wants to create a custom object to track Customer Invoices.

  How should Invoices and Accounts be related to ensure that all Invoices are visible to everyone with access to an Account?

  A. The Account should have a Master-Detail relationship to the Invoice.
  B. The Invoice should have a Master-Detail relationship to the Account
  C. The Account should have a Lookup relationship to the Invoice
  D. The Invoice should have a Lookup relationship to the Account Previous
  B. The Invoice should have a Master-Detail relationship to the Account

• Question 73:

  Which three statements are true regarding the @istest annotation? Choose 3 answers

  A. Products and pricebooks are visible in a test even if a class is annotated @istest (seealldata=false)
  B. A method annotated @istest (seealldata=false) in a class annotated @istest (seealladata=true) has access to all org data
  C. A method annotated @istest (seealldata=true) in a class annotated @istest (seealladata=false) has access to all org data
  D. Profiles are visible in a test even if a class is annotated @istest (seealldata=false)
  E. A class containing test methods counts toward the apex code liit regardless of any @istest annotation (Missed
  B. A method annotated @istest (seealldata=false) in a class annotated @istest (seealladata=true) has access to all org data
  D. Profiles are visible in a test even if a class is annotated @istest (seealldata=false)
  E. A class containing test methods counts toward the apex code liit regardless of any @istest annotation (Missed

• Question 74:

  A developer wants to handle the click event for a lightning:button componentthe onclick attribute for the component references a javascript function in which resource in the component bundle?

  A. Helper.js
  B. Handler.js
  C. Renderer.js
  D. Controller.js
  D. Controller.js

• Question 75:

  What is a valid source and destination pair that can send or receive change sets? (Choose 2)

  A. Developer Edition to Sandbox
  B. Sandbox to Production
  C. Sandbox to Sandbox
  D. Developer Edition to Production
  B. Sandbox to Production
  C. Sandbox to Sandbox

• Question 76:

  Which code block returns the ListView of an Account object using the following debug statement? system.debug(controller.getListViewOptions() );

  A. ApexPages.StandardSetController controller = new ApexPages.StandardSetController( Database.getQueryLocator( 'SELECT Id FROM Account LIMIT 1'));
  B. ApexPages.StandardController controller = new ApexPages.StandardController( [SELECT Id FROM Account LIMIT 1]);
  C. ApexPages.StandardController controller = new ApexPages.StandardController( Database.getQueryLocator( 'SELECT Id FROM Account LIMIT 1'));
  D. ApexPages.StandardController controller = new ApexPages.StandardController( [SELECT Id FROM Account LIMIT 1]);
  A. ApexPages.StandardSetController controller = new ApexPages.StandardSetController( Database.getQueryLocator( 'SELECT Id FROM Account LIMIT 1'));

• Question 77:

  Given the code block:

  Integer x; for (x =0; x<10; x+=2){

  if (x==8) break; if (x==10) break;

  } system.debug(x);

  Which value will the system.debug display?

  A. 2
  B. 4
  C. 8
  D. 10
  C. 8

• Question 78:

  Which exception type cannot be caught ?

  A. CalloutException
  B. A custom Exception
  C. NoAccessException
  D. LimitException
  D. LimitException

• Question 79:

  When would a developer use a custom controller instead of a controller extension? Choose 2 answers:

  A. When a Visualforce page needs to replace the functionality of a standard controller.
  B. When a Visualforce page does not reference a single primary object.
  C. When a Visualforce page should not enforce permissions or field-level security.
  D. When a Visualforce page needs to add new actions to a standard controller.
  B. When a Visualforce page does not reference a single primary object.
  C. When a Visualforce page should not enforce permissions or field-level security.

• Question 80:

  A Visualforce page uses the Contact standard controller. How can a developer display the Name from the parent Account record on the page?

  A. Use the (!contact.Account.Name) merge field syntax.
  B. Use an additional standard controller for Accounts.
  C. Use SOQL syntax to find the related Accounts Name field.
  D. Use additional Apex logic within the controller to query for the Name field.
  A. Use the (!contact.Account.Name) merge field syntax.