Salesforce CRT-450 Online Practice Questions and Exam Preparation

Salesforce CRT-450 Online Questions & Answers

• Question 561:

  Application Events follow the traditional publish-subscribe model. Which method is used to fire an event?

  A. Fire()
  B. Emit()
  C. RegisterEvent()
  D. FireEvent()
  A. Fire()

• Question 562:

  A developer created a Lightning web component called statusComponent to be inserted into the Account record page.

  Which two things should the developer do to make the component available?

  A. Add true to the statusComponent.js-meta ml file.
  B. Add lighting _RecordPage to the statusComponent.js-meta ml file.
  C. Add < masterLabel>Account to the statusComponent.js-meta ml file.
  D. Add Lightning_RecordPage to the statusComponent.js file.
  A. Add true to the statusComponent.js-meta ml file.
  B. Add lighting _RecordPage to the statusComponent.js-meta ml file.

• Question 563:

  What is the value of x after the code segment executes?String x = 'A';Integer i = 10;if ( i < 15 ) {i = 15;x = 'B';} else if ( i < 20 ) {x = 'C';} else {x = 'D'; }

  A. D
  B. A
  C. B
  D. C
  C. B

• Question 564:

  A developer needs to confirm that a Contact trigger works correctly without changing the organization's data What should the developer do to test the Contact trigger?

  A. Use the New button on the Salesforce Contacts Tab to create a new Contact record.
  B. Use the Open execute Anonymous feature on the Developer Console to run an 'insert Contact' DML statement
  C. Use Deploy from the VSCode IDE to display an 'insert Contact' Apex class.
  D. Use the Test menu on the Developer Console to run all test classes for the Contact trigger
  D. Use the Test menu on the Developer Console to run all test classes for the Contact trigger

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  Explanation/Reference:

• Question 565:

  Which code segment can be used to control when the dowork() method is called?

  A. For (Trigger.isRunning t: Trigger.new) { dowork(); }
  B. If(Trigger.isRunning) dowork();
  C. For (Trigger.isInsert t: Trigger.new) { dowork(); }
  D. If(Trigger.isInsert) dowork();
  D. If(Trigger.isInsert) dowork();

• Question 566:

  Refer to the following code snippet for an environment has more than 200 Accounts belonging to the Technology' industry:

  

  When the code execution, which two events occur as a result of the Apex transaction? Choose 2 answers

  A. If executed in an asynchronous context, the apex transaction is likely to fall by exceeding the DML governor limit
  B. The Apex transaction succeeds regardless of any uncaught exception and all processed accounts are updated.
  C. The Apex transaction fails with the following message. "SObject row was retrieved via SOQL without querying the requested field Account.Is.Tech__c''.
  D. If executed In a synchronous context, the apex transaction is likely to fall by exceeding the DHL governor limit.
  A. If executed in an asynchronous context, the apex transaction is likely to fall by exceeding the DML governor limit

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  Explanation/Reference:

• Question 567:

  A Visualforce page has a standard controller for an object that has a lookup relationship to a parent object. How can a developer display data from the parent record on the page?

  A. By adding a second standard controller to the page for the parent record.
  B. By using a roll-up formula field on the child record to include data from the parent record.
  C. By using SOQL on the Visualforce page to query for data from the parent record.
  D. By using merge field syntax to retrieve data from the parent record.
  D. By using merge field syntax to retrieve data from the parent record.

• Question 568:

  What is the advantage of Salesforce Lightning?

  A. Uses service side for better handling
  B. Option 4
  C. Pre-defined components to give Standard Look and Feel
  D. Option 3
  C. Pre-defined components to give Standard Look and Feel

• Question 569:

  How should a developer create a new custom exception class?

  A. public class CustomException extends Exception{}
  B. CustomException ex = new (CustomException)Exception();
  C. public class CustomException implements Exception{}
  D. (Exception)CustomException ex = new Exception();
  A. public class CustomException extends Exception{}

• Question 570:

  Which option would a developer use to display the Accounts created in the current week and the number of related Contacts using a debug statement in Apex?

  A. For(Account acc: [SELECT Id, Name,(SELECT Id, Name FROM Contacts) FROM Account WHERE CreatedDate = THIS_WEEK]) { List cons = acc.Contacts; System.debug(acc.Name + ` has ' + cons.size() + `Contacts'; }
  B. For(Account acc: [SELECT Id, Name, (SELECT Id, Name FROM Contacts) FROM Account WHERE CreatedDate = CURRENT_WEEK]){ List cons = acc.Contacts; System.debug(acc.Name + ` has ` + cons.size() + `Contacts'); }
  C. For(Account acc:[SELECT Id, Name, Account.Contacts FROM Account WHERE CreatedDate = CURRENT_WEEK]) { List cons = acc.Account.Contacts; System.debug(acc.Name + ` has ` + cons.size() + `Contacts'); }
  D. For(Account acc: [SELECT Id, Name, Account.Contacts FROM Account WHERE CreatedDate = THIS_WEEK]){ List cons = acc.Account.Contacts; System.debug(acc.Name + ` has ` + cons.size() + `Contacts' }
  A. For(Account acc: [SELECT Id, Name,(SELECT Id, Name FROM Contacts) FROM Account WHERE CreatedDate = THIS_WEEK]) { List cons = acc.Contacts; System.debug(acc.Name + ` has ' + cons.size() + `Contacts'; }