Free DEX-450 Exam braindumps download (DEX-450 exam dumps Free)

QUESTION: 136

A Visual force page displays two fields named Phone Number and Email.User1 has access to Phone Number, but not to Email.User2 has access to Email, but not Phone NumberA developer needs to ensure that User1 can only see Phone Number, and User2 can only see Email.Which method can the developer use to achieve this?

Schema isUpdateable() method.
Schema isAccessible() method.
Schema isReadable() method.
Schema isCreateable() method.

Answer(s): B

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QUESTION: 137

A developer creates a method in an Apex class and needs to ensure that errors are handled properly.What would the developer use? (There are three correct answers.)

ApexPages.addErrorMessage()
A custom exception
.addError()
Database.handleException()
A try/catch construct

Answer(s): B,C,E

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QUESTION: 138

In the Lightning Component framework, where is client-side controller logic contained?

Apex
Visualforce
HTML
JavaScript

Answer(s): D

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QUESTION: 139

Why would a developer use Test. startTest( ) and Test.stopTest( )?

To avoid Apex code coverage requirements for the code between these lines
To start and stop anonymous block execution when executing anonymous Apex code
To indicate test code so that it does not Impact Apex line count governor limits.
To create an additional set of governor limits during the execution of a single test class.

Answer(s): D

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