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: Apr 02, 2026

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Question 1

A developer must create an Apex class, contactcontroller, that a Lightning component can

use to search for Contact records. User of the Lightning component should only be able to

search Contact records to which they have access. Which two will restrict the records correctly?

A : public class ContactController

B : public with sharing class ContactController

C : public without sharing class ContactController

D : public inherited sharing class ContactController

Answer: B,D

Question 2

Given the following code snippet, that is part of a custom controller for a Visualforce page:

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In which two ways can the try/catch be enclosed to enforce object and field-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access? Choose 2 answers

A : Use if (Schema, sobjectType, Contact, isUpdatable ( ) )

B : Use if (Schema , sobjectType. Contact. Field, Is_Active_c. is Updateable ( ) )

C : Use if (Schema.sObjectType.Contact.isAccessible ( ) )

D : Use if (thisContact.Owner = = UserInfo.getuserId ( ) )

Answer: A,B

Question 3

Which statement describes the execution order when trigger are associated to the same object and event?

A : Triggers are executed in the order they are created..

B : Trigger execution order cannot be guaranteed.

C : Triggers are executed in the order they are modified

D : Triggers are executed alphabetically by trigger name.

Answer: B

Question 4

As a part of class implementation a developer must execute a SOQL query against a large data ser based on the contact object. The method implementation is as follows.

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Which two methods are best practice to implement heap size control for the above code? (Choose 2 Answers)

A : Use the FOR UPDATE option on the SOQL query to lock down the records retrieved.

B : Use visual keyword when declaring the retrieve variable.

C : Use a SOQL FOR loop, to chunk the result set in batches of 200 records.

D : Use WHERE clauses on the SOQL query to reduce the number of records retrieved.

Answer: B,C

Question 5

A develop completed modification to a customized 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 the modification to the production environment?

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

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

C : All methods in the test classes must use @isTest.

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

Answer: A,B

Page: 1 / 78

Total 387 Questions | Updated On: Apr 02, 2026

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