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Salesforce TVB-450 Exam Syllabus Topics:

Topic 1
  • Declarative Automation and Apex Fundamentals
  • Control Flow Statements
Topic 2
  • Apex Triggers, Visualforce, and Best Practices
  • Exception Handling
Topic 3
  • Data Manipulation Language
  • Data Access Security
Topic 4
  • Visualforce Controllers
  • Save Order of Execution
Topic 5
  • Data Types, Classes, and Methods
  • Declarative Process Automation
Topic 6
  • Visualforce Pages in Lightning
  • Lightning Web Components
  • Lightning Component Events
Topic 7
  • Interfaces and Inheritance
  • Working with Data in Apex
Topic 8
  • Development and Deployment Tools
  • Testing, Code Coverage, and Deployment
Topic 9
  • Formula and Roll-Up Summary Fields
  • Salesforce Platform Architecture

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Earning the Salesforce TVB-450 certification can be a valuable asset for professionals looking to advance their career in the Salesforce ecosystem. It demonstrates a commitment to continuous learning and a mastery of the skills required to develop and customize applications on the Salesforce platform. Additionally, Salesforce certifications are highly respected in the industry and can help professionals stand out in a competitive job market.

The TVB-450 exam covers a wide range of topics, including data modeling, Apex programming, Visualforce development, and integration. It is a challenging exam that requires a solid understanding of the Salesforce platform and its various components. The exam consists of 60 multiple-choice questions and must be completed within 105 minutes. A passing score of 65% or higher is required to earn the certification.

Salesforce Trailhead Virtual Bootcamp for Platform Developer I Sample Questions (Q86-Q91):

A workflow updates the value of a custom field for an existing Account.
How can a developer access the updated custom field value from a trigger?

  • A. By writing, a Before Update trigger and accessing the field value from Trigger.new
  • B. By writing an After Update trigger and accessing the field value from Trigger.old
  • C. By writing a Before Insert trigger and accessing the field value from Trigger.new
  • D. By writing an After Insert trigger and accessing the field value from Trigger.old

Answer: A

Refer to the following Apex code:

What is the value of x when it is written to the debug log?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B

Which two settings must be defined in order to update a record of a junction object? Choose 2 answers

  • A. Read/Write access on the secondary relationship
  • B. Read access on the primary relationship
  • C. Read/Write access on the junction object
  • D. Read/Write access on the primary relationship

Answer: A,D

A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override. What is the correct implementation of the ShippingCalculator class?

  • A. Public abstract class ShippingCalculator {
    public virtual void calculate() { /*implementation*/ }
  • B. Public abstract class ShippingCalculator {
    public void calculate() { /*implementation*/ }
  • C. Public abstract class ShippingCalculator {
    public abstract calculate() { /*implementation*/ }
  • D. Public abstract class ShippingCalculator {
    public override calculate() { /*implementation*/ }

Answer: A

the extending class can override the existing virtual methods by using the override keyword in the method definition. Overriding a virtual method allows you to provide a different implementation for an existing method https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm

A developer needs to create a custom button for the Account object that, when clicked, will perform a series of calculation and redirect the user to a custom visualforce page.
Which three attributes need to be defined with values in the <apex:page> tag to accomplish this?
Choose 3 answers

  • A. renderAs
  • B. readOnly
  • C. Action
  • D. standard Controller
  • E. extensions

Answer: A,C,D


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