Free Salesforce CRT-450 Exam Questions

Become Salesforce Certified with updated CRT-450 exam questions and correct answers

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Total 387 Questions | Updated On: Feb 10, 2026

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Question 1

A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what defined for payments in the PaymentProcessor interface. public interface PaymentProcessor { void pay(Decimal amount); } Which is the correct implementation to use the PaymentProcessor interface class?

A : Public class CheckPaymentProcessor implements PaymentProcessor {public void pay(Decimal amount) {}}

B : Public class CheckPaymentProcessor implements PaymentProcessor {public void pay(Decimal amount);}

C : Public class CheckPaymentProcessor extends PaymentProcessor {public void pay(Decimal amount);}

D : Public class CheckPaymentProcessor extends PaymentProcessor {public void pay(Decimal amount) {}}

Answer: B

Question 2

A developer must create a lightning component that allows users to input contact record

information to create a contact record, including a salary__c custom field. what should the

developer use, along with a lightning-record-edit form, so that salary__c field functions as a

currency input and is only viewable and editable by users that have the correct field levelpermissions on salary__C?

A : < ligthning-input-field field-name='Salary__c' >< /lightning-input-field >

B : < lightning-formatted-number value='Salary__c' format-style='currency' >< /lightning-formatted-number >

C : < lightning-input type='number' value='Salary__c' formatter='currency' >< /lightning-input >

D : < lightning-input-currency value='Salary__c' >< /lightning-input-currency >

Answer: A

Question 3

A developer completed modifications feature that is comprised of two elements:

* Apex trigger

* Trigger handler Apex class

What are two factors that the developer must take into account to properly deploy them to the production

environment?

Choose 2 answers

A : Apex classes must have at least 75% code coverage org-wide.

B : All methods in the test classes must use @istest.

C : At least one line of code must be executed for the Apex trigger.

D : Test methods must be declared with the testMethod keyword.

Answer: A,C

Question 4

Which two are phases in the Salesforce Application Event propagation framework? Choose

2 answers

A : Bubble

B : Default

C : Capture

Answer: B,C

Question 5

An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.

How can this be achieved?

A : Write a trigger on the child object and use a red-black tree sorting to sum the amount for all related child objects under the Opportunity.

B : Write a Process Builder that links the custom object to the Opportunity.

C : Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity

D : Use the Streaming API to create real-time roll-up summaries.

Answer: C

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Total 387 Questions | Updated On: Feb 10, 2026

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