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: Jan 08, 2025

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Question 1

Which two are best practices when it comes to component and application event handling? (Choose two.)

A : use the event logic in a component bundle, by putting the logic in the helper.

B : component events to communicate actions that should be handled at the application level.

C : ndle low-level events in the event handler and re-fire them as higher-level events.

D : y to use application events as opposed to component events.

Answer: A,C

Question 2

Managers at Universal Containers want to ensure that only decommissioned containers are able to be deletedin the system. To meet the business requirement a Salesforce developer adds "Decommissioned" as a picklistvalue for the Status _c custom field within the Container _c object.Which two approaches could a developer use to enforce only Container records with a status of"Decommissioned" can be deleted?Choose 2 answers

A : Before record-triggered flaw

B : Apex trigger

C : After record-triggered flow

D : Validation rule

Answer: B,D

Question 3

What will be the output in the debug log in the event of a QueryExeption during a call to the @query method in the following Example?

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A : erying Accounts. Query Exception.

B : erying Accounts. Custom Exception.

C : erying Accounts. Query Exception. Done

D : erying Accounts. Custom Exception Done.

Answer: C

Question 4

What is the result of the following code?

A : record will not be created and a exception will be thrown.

B : record will be created and a message will be in the debug log

C : record will not be created and no error will be reported.

D : record will be created and no error will be reported.

Answer: C

Question 5

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

Page: 1 / 78

Total 387 Questions | Updated On: Jan 08, 2025

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