Free Salesforce DEX-450 Exam Questions

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

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Total 387 Questions | Updated On: Dec 26, 2024

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Question 1

What writing an Apex class, a developer warts to make sure thai all functionality being developed Is handled

as specified by the requirements.

Which approach should the developer use to be sure that the Apex class is working according tospecification?

A : eate a test class to execute the business logic and run the test in the Developer Console.

B : clude a savepoint and Database,rollback.

C : clude a try/catch block to the Apex class.

D : n the code in an Execute Anonymous block n the Deceloper Consider.

Answer: A

Question 2

Which two statements are true about using the @testSetup annotation in an Apex test class?

Choose 2 answers

A : cords created in the test setup method cannot be updated in individual test methods.

B : The @testSetup annotation is not supported when the GisTest(SeeAllData=True) annotation is used.

C : t data is inserted once for all test methods in a class.

D : method defined with the @testSetup annotation executes once for each test method in the test class and counts towards system limits.

Answer: B,D

Question 3

A developer completed modifications feature that is comprised of two elements:* Apex trigger* Trigger handler Apex classWhat are two factors that the developer must take into account to properly deploy them to the productionenvironment?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

A developer wrote the following two classes:

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The StatusFetcher class successfully compiled and saved. However, the Calculator class has a compile time error.

How should the developer fix this code?

A : ange the class declaration for the statusFetcher class to public with inherited sharing.

B : ke the isActive method in the StatusFetcher class public.

C : ke the doCalculations method in the Calculation class private.

D : ange the class declaration for the Calculator class to public with inherited sharing.

Answer: B

Question 5

While working in a sandbox, an Apex test fails when run in the Test Runner. However, executing the Apex logic in the Execute Anonymous window succeeds with no exceptions or errors. Why did the method fail in the sandbox test framework but succeed in the Developer Console?

A : The test method has a syntax error In the code.

B : The test method does not use System. rurAs to execute as a specific user.

C : The test method Is calling an future method.

D : The test method relies on existing data in the sandbox.

Answer: D

Page: 1 / 78

Total 387 Questions | Updated On: Dec 26, 2024

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