Salesforce Salesforce Certifications DEV-501 Questions & Answers

• Question 81:

  What provides access to data that should be displayed in a Visualforce page, and can modify Visualforce component behavior?

  A. Validation rules

  B. Apex controller

  C. MVC controller class

  D. Visualforce controller

  E. Force.com IDE

  F. None of the above

  Correct Answer: D

• Question 82:

  The markup defines the user interface components that should be included on the page, and the way they should appear.

  A. True

  B. False

  Correct Answer: A

• Question 83:

  Developers can use Visualforce to create a Visualforce page definition. A page definition consists of two primary elements: Visualforce markup A Visualforce controller

  Visualforce markup consists of... (Select all that apply)

  A. Any Web-enabled code

  B. Visualforce Tags

  C. Apex code

  D. HTML

  E. JavaScript

  F. C# Remoting Modules

  G. None of the above

  Correct Answer: ABDE

• Question 84:

  A Visualforce page consists of which primary elements? (Select all that apply)

  A. An Apex class

  B. A Visualforce controller

  C. A trigger.

  D. S-Controls

  E. Visualforce Markup

  F. None of the above

  Correct Answer: AE

• Question 85:

  By referring to a page in this way, the platform recognizes that this controller or controller extension is dependent on the existence of the specified page and will prevent the page from being deleted while the controller or extension exists.

  A. True

  B. False

  Correct Answer: B

• Question 86:

  ____________ is a placeholder for content that is rendered in a specific part of the parent component, such as the header or footer of an .

  A.

  B.

  C.

  D.

  E.

  F. None of these

  Correct Answer: D

• Question 87:

  A Visualforce controller is a set of instructions that specify what happens when a user interacts with the components specified in associated Visualforce markup, such as when a user clicks a button or link. Controllers also provide access to the data that should be displayed in a page, and can modify component behavior.

  A. True

  B. False

  Correct Answer: B

• Question 88:

  Although Trigger.new is a collection of records, when used as a bind variable in a SOQL query, Apex automatically....

  A. Passes the collection to the query, as long as the calling class implements the Trigger.QueryBind class.

  B. Transforms the list of records into a list of corresponding Ids.

  C. Truncates the collection so that only the Id and Name fields.

  D. Throws a DMLException with the ILLEGAL_QUERY status.

  E. Transforms the SOQL to an in-place SOSL query and returns the FIND results.

  F. None of these

  Correct Answer: B

• Question 89:

  Good Apex tests should....

  A. Exercise bulk trigger functionality--use at least 20 records in your tests.

  B. Only test code using the Standard User profile.

  C. Access live organization data to validate SOQL queries and DML operations.

  D. Use the isTest annotation. Classes defined with the isTest annotation do not count against your organization limit of 3 MB for all Apex code. See IsTest Annotation.

  E. Use the runAs method to test your application in different user contexts.

  F. None of these

  Correct Answer: ADE

• Question 90:

  A developer can use optional catch statements for any exception type in a try-catch block. However, the

  general exception type, 'Exception', must only be used by the last catch() block.

  EXAMPLE:

  try{

  // Some risky code.

  }

  catch(SomeExceptionType e){

  // Handle one exception type.

  }

  catch(SomeOtherExceptionType e){

  // Handle another exception type.

  }

  catch(Exception e){

  // This must be the last catch block.

  }

  ~|~

  (Select all that apply)

  A. Make calls to methods using both valid and invalid inputs.

  B. In the case of conditional logic (including ternary operators), execute each branch of code logic.

  C. Only test code using the System Administrator profile.

  D. Focus solely on test coverage percentage score.

  E. Complete successfully without throwing any exceptions, unless those errors are expected and caught in a try...catch block.

  F. None of these

  Correct Answer: ABE