Salesforce CRT-450 Online Practice Questions and Exam Preparation

Salesforce CRT-450 Online Questions & Answers

• Question 251:

  The following automations already exist on the Account object:

  1.

  A workflow rule that updates a field when a certain criteria is met ?A custom validation on a field

  2.

  A How that updates related contact records

  A developer created a trigger on the Account object.

  What should the developer consider while testing the trigger code?

  A. The flow may be launched multiple times.
  B. Workflow rules will fire only after the trigger has committed all DML operations to the database.
  C. A workflow rule field update will cause the custom validation to run again.
  D. The trigger may fire multiple times during a transaction.
  D. The trigger may fire multiple times during a transaction.

• Question 252:

  A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles. Which tool should they use to deploy to the sandbox?

  A. Change Sets
  B. VSCode
  C. Ant Migration Tool
  D. Developer Console
  C. Ant Migration Tool

• Question 253:

  What is the result of the following code block ? Integer x = 1;Integer Y = 0;While(x < 10){Y++;}

  A. An error occurs
  B. Y = 9
  C. Y = 10
  D. X = 0
  A. An error occurs

• Question 254:

  A developer must write an Apex method that will be called from a Lightning component. The method may delete an account stored in the accountRec variable. Which method should a developer use to ensure only users that should be able to

  delete Accounts can succesfully perform deletions?

  A. AccountRec.sObjectType.isDeleteable()
  B. Schema.sObjectType.Account.isDeletable()
  C. AccountRec.isdeletable()
  D. Account.isDelketable()
  B. Schema.sObjectType.Account.isDeletable()

• Question 255:

  Which approach should a developer use to add pagination to a Visualforce page?

  A. A StandardController
  B. The Action attribute for a page
  C. The extensions attribute for a page
  D. A StandardSetController
  D. A StandardSetController

• Question 256:

  What are three characteristics of static methods? (Choose three.)

  A. Initialized only when a class is loaded
  B. A static variable outside of the scope of an Apex transaction
  C. Allowed only in outer classes
  D. Allowed only in inner classes
  E. Excluded from the view state for a Visualforce page
  A. Initialized only when a class is loaded
  C. Allowed only in outer classes
  E. Excluded from the view state for a Visualforce page

• Question 257:

  What can be used to override the Account's standard Edit button for Lightning Experience?

  A. Lightning action
  B. Lightning component
  C. Lightning page
  D. Lightning flow
  B. Lightning component

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  Explanation/Reference:

  A Lightning Component can be used to override the Account's standard Edit button for Lightning Experience. This allows the developer to create a custom page with custom fields and custom functionality that can be used instead of the standard Edit page. It also allows for the creation of custom navigation and buttons to make the user experience more intuitive and efficient.

  Reference: https://trailhead.salesforce.com/en/content/learn/projects/quick-start-lightning-components

• Question 258:

  A developer created a Lightning component to display a short text summary for an object and wants to use it with multiple Apex classes. How should the developer design the Apex classes?

  A. Have each class define method getObject() that returns the sObject that is controlled by the Apex class.
  B. Extend each class from the same base class that has a method getTextSummary() that returns the summary.
  C. Have each class implement an interface that defines method getTextSummary() that returns the summary.
  D. Have each class define method getTextSummary() that returns the summary.
  C. Have each class implement an interface that defines method getTextSummary() that returns the summary.

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  Explanation/Reference:

• Question 259:

  A developer must troubleshoot to pinpoint the causes of performance issues when a custom page loads in their org. Which tool should the developer use to troubleshoot?

  A. AppExchange
  B. Salesforce CLI
  C. Visual Studio Core IDE
  D. Developer Console
  D. Developer Console

• Question 260:

  An org tracks customer orders on an Order object and the line items of an Order on the Line Item object. The Line Item object has a Master/Detail relationship to the Order object. A developer has a requirement to calculate the order amount on an Order and the line amount on each Line Item based on quantity and price.

  What is the correct implementation?

  A. Write a single before trigger on the Line Item that calculates the item amount and updates the order amount on the Order.
  B. Write a process on the Line Item that calculates the item amount and order amount and updates the fields on the Line Item and the Order.
  C. Implement the line amount as a numeric formula field and the order amount as a roll-up summary field.
  D. Implement the line amount as a currency field and the order amount as a SUM formula field.
  C. Implement the line amount as a numeric formula field and the order amount as a roll-up summary field.