Salesforce CRT-450 Online Practice Questions and Exam Preparation

Salesforce CRT-450 Online Questions & Answers

• Question 101:

  What si the debug output of the following apex code? Decimal thevalue; system.debug(thevalue);

  A. Undefined
  C. Null
  D. 0.0
  C. Null

• Question 102:

  A developer needs an Apex method that can process Account or Contact records. Which method signature should the developer use?

  A. Public void doWork(Record theRecord)
  B. Public void doWork(sObject theRecord)
  C. Public void doWork(Account Contact)
  D. Public void doWork(Account || Contatc)
  B. Public void doWork(sObject theRecord)

• Question 103:

  Which three methods help ensure quality data?

  A. Create a lookup filter
  B. Adding an error to a field in before trigger
  C. Sending an email alert using a workflow rule
  D. Handling an exception in Apex
  E. Adding a validation rule
  A. Create a lookup filter
  C. Sending an email alert using a workflow rule
  E. Adding a validation rule

• Question 104:

  When viewing a Quote, the sales representative wants to easily see how many discounted items are included in the Quote Line Items. What should a developer do to meet this requirement?

  A. Create a trigger on the Quote object that queries the Quantity field on discounted Quote Line Items.
  B. Create a Workflow Rule on the Quote Line Item object that updates a field on the parent Quote when the item is discounted.
  C. Create a roll-up summary field on the Quote object that performs a SUM on the quote Line Item Quantity field, filtered for only discounted Quote Line Items.
  D. Create a formula field on the Quote object that performs a SUM on the Quote Line Item Quantity field, filtered for only discounted Quote Line Items.
  C. Create a roll-up summary field on the Quote object that performs a SUM on the quote Line Item Quantity field, filtered for only discounted Quote Line Items.

• Question 105:

  What are two ways a developer can get the status of an enquered job for a class that queueable interface? Choose 2 answers

  A. View the apex status Page
  B. View the apex flex Queue
  C. View the apex Jobs page
  D. Query the AsyncApexJobe object
  C. View the apex Jobs page
  D. Query the AsyncApexJobe object

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  Explanation/Reference:

• Question 106:

  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 SOQL syntax to find the related accounts name field
  B. Use the {!contact.account.name} merge field syntax
  C. Use an additional standard controller for accounts
  D. Use additional apex logic within the controller to query for the name field
  B. Use the {!contact.account.name} merge field syntax

• Question 107:

  Which statement should a developer avoid using inside procedural loops? (Choose 2)

  A. System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );
  B. List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];
  C. If(o.accountId == a.id)
  D. Update contactList;
  B. List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];
  D. Update contactList;

• Question 108:

  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 109:

  In which two org types can a developer create new Apex Classes? Choose 2 answers

  A. Developer Edition
  B. Sandbox
  C. Enterprise Edition
  D. Unlimited
  A. Developer Edition
  B. Sandbox

• Question 110:

  A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of the new Apex helper class.

  Change Set deployment to production fails with the test coverage warning:

  "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required."

  What should the developer do to successfully deploy the new Apex trigger and helper class?

  A. Increase the test class coverage on the helper class.
  B. Remove the failing test methods from the test class.
  C. Run the tests using the 'Run All Tests' method.
  D. Create a test class and methods to cover the Apex trigger.
  D. Create a test class and methods to cover the Apex trigger.