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Apex and Visualforce Controllers

Exam Details

  • Exam Code
    :DEV-501
  • Exam Name
    :Apex and Visualforce Controllers
  • Certification
    :Salesforce Certifications
  • Vendor
    :Salesforce
  • Total Questions
    :239 Q&As
  • Last Updated
    :Mar 31, 2025

Salesforce Salesforce Certifications DEV-501 Questions & Answers

  • Question 121:

    What statements are used to retrieve records from an sObject in the Force.com database?

    A. Exceptions

    B. On-demand

    C. Map, List, Set

    D. SOQL statements

  • Question 122:

    Which trigger context variable is not saved in the after trigger and causes an exception to be thrown?

    A. Trigger.new

    B. addError

    C. Primitive

    D. TRUE

  • Question 123:

    Which trigger context variable cannot be deleted?

    A. addError

    B. System

    C. @ReadOnly

    D. Trigger.new

  • Question 124:

    What are two key tools to debug code in Salesforce?

    A. Dates, Ids, Numbers

    B. Logs, anonymous blocks

    C. Debug logs, email logs

    D. List of List Objects

  • Question 125:

    What components of apex are available to improve the processing of data in Salesforce?

    A. Database class method

    B. GET, POST, PUT, DELETE

    C. Batch apex, apex scheduler.

    D. Internal and external

  • Question 126:

    How should one prevent soql injection when using dynamic soql?

    A. Database class method

    B. code contained in a trigger

    C. Utilize the String.escapeSingleQuotes(string) method

    D. with sharing keyword

  • Question 127:

    What two methods of customization are available to create applications in salesforce?

    A. Implicit invocation

    B. SOQL for loops

    C. Record level access

    D. declarative, programmatic

  • Question 128:

    Which invocation method occurs when triggers are called by the Force.com platform during the save process?

    Explicit invocation

    Implicit invocation

    Explicit invocation using anonymous blocks

    External API invocation

    A.

    RETURNING

    B.

    Implicit invocation

    C.

    Primitive

    D.

    SOQL for loops

  • Question 129:

    Which keywords do developers use to handle exceptions in Apex?

    A. Through class itself

    B. Throw, try, catch, finally

    C. Static and final

    D. GET, POST, PUT, DELETE

  • Question 130:

    How are static methods and attributes access?

    A. Map, List, Set

    B. Class, trigger

    C. Apex classes

    D. Through class itself

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