Salesforce CRT-450 Exam Questions Instant Access

Question 1

A developer creates a custom exception as shown below:

public class ParityException extends Exception { }

What are two ways the developer can fire the exception in Apex?

Athrow new ParityException ();

Bthrow new parityException ('parity does not match');

Cnew ParityException ();

Dnew ParityException('parity does not match');

Answer : A, B

Question 2

How should a developer write unit tests for a private method in an Apex class?

AUse the SeeAllData annotation.

BAdd a test method in the Apex class.

CMark the Apex class as global.

DUse the @TestVisible annotation.

Answer : D

Question 3

A developer is asked to write helper methods that create test data for unit tests.

What should be changed in the Testutils class so that its methods are only usable by unit test methods?

What should be changed in the TestUtils class so that its methods are only usable by unit test methods?

A@isTest above line 03.

BAdd @istest above line 01.

CChange public to private on line 01.

DRemove static from line 03.

Answer : A

Question 4

A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.

Which three statements are useful inside the unit test to effectively test the custom controller?

Choose 3 answers

AString nextPage = controller.save().getUrl ();

BApexPages.currentPage ().getParametera(}.put{'input', 'TeatValue');

Cinsert pageret;

Dpublic Extendedcontroller (ApexPages.Standardcontraller entrl) { }

ETest. setCurrentPage (pageRef) ;

Answer : A, B, E

Question 5

What should a developer use to obtain the Id and Name of all the Leads, Accounts, and Contacts that have the company name "Universal Containers?

AFIND 'Universal Conteiners' IN CompenyName Fields RETURNING leadjid, name), sccount(ad, name}, conteact(id, name)

BSELECT Lead.id, Lead.Neme, Account,Id, Account.Neme, Contact.id, Contact.Neame FROM Lead, Account, Contact WHERE CompanyName = 'Universal Containers*

CPIND 'Universal Centainers' IN Name Fields RETURNING lead(id, name), saceount(id, mame), contact (id, name)

DSELECT lead(id, name), account (id, name}, contact(id, name) FROM Lead, Account, Contact WHERE Name = 'Universal Containers'

Answer : C

Question 6

What are two ways a developer can get the status of an enqueued job for a class that implements the queueable interface?

Choose 2 answers

AView the Apex Status page

BView the Apex Jobs page

CQuery the AsyncApexJob object

DView the Apex Flex Queue

Answer : C, D

Question 7

A developer must perform a complex SOQL query that joins two objects in a Lightning component.

How can the Lightning component execute the query?

AWrite the query in a custom Lightning web component wrapper and invoke from the Lightning component.

BInvoke an Apex class with the method annotated as @AuraEnabled to perform the query.

CUse the Salesforce Streaming APL to perform the SOQL query.

DCreate a flow to execute the query end invoke from the Lightning component.

Answer : A

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