(Salesforce DEX-450) Mock Test Q&A | SPOTO

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Question #1

Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers

A. String qryName = % + String

B. String qryName = % + name % ; String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ;

C. List queryResults = Database

D. String qryName = % + String

E. String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database

View answer

Correct Answer: BC

Question #2

Developers at Universal Containers (UC) use version control to share their code changes, but they notice that when they deploy their code to different environments they often have failures. They decide to set up Continuous Integration (CI). What should the UC development team use to automatically run tests as part of their CI process?

A. Developer Console

B. Visual Studio Code

C. Salesforce CLIcorrect

D. Force

View answer

Correct Answer: C

Question #3

When a Task is created for a Contact, how can a developer prevent the task from being included on the Activity Timeline of the Contact's Account record?

A. In Activity Settings, uncheck Roll up activities to a contact's primary account

B. By default, tasks do not display on the Account Activity Timiline

C. Use Process Builder to create a process to set the Task Account field to blank

D. Create a Task trigger to set the Account field to NULL

View answer

Correct Answer: A

Question #4

Consider the following code snippet:As part of the deployment cycle, a developer creates the following test class:When the test class runs, the assertion fails.Which change should the developer implement in the Apex test method to ensure the test method executes successfully?

A. Query the Administrator use into memory and enclose lines 15 and 16 within the system,runAs (use); method

B. Query the Standard User into memory and enclose lines 15 and 16 within the system ,runAs; method

C. Add @Istest% seeAllDataTrue; to line 12 and enclose lines 15 and 16 within Test

D. Add System, runAs (Use; to line 14 and enclose line 15 within Test, startTest); and Test ()

View answer

Correct Answer: D

Question #5

A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles. Which tool should they use to deploy to the sandbox?

A. Change Sets

B. VSCode

C. Ant Migration Tool

D. Developer Console

View answer

Correct Answer: C

Question #6

Which statement is true about a hierarchical relationship as it pertains to user records?

A. It uses a junction object and lookup relationships to allow many user records to be related to many other user records

B. It uses a junction object and master-detail relationship to allow many user records to be related to many other user records

C. It uses a master-detail relationship to allow one user record to be related to another user record

D. It uses a special lookup relationship to allow one user record to be related to another user record

View answer

Correct Answer: D

Question #7

Which data type or collection of data types can SOQL statements populate or evaluate to? (Choose 3)

A. A single sObject

B. An integer

C. A string

D. A list of sObjects

E. A Boolean

View answer

Correct Answer: ABD

Question #8

Universal Containers recently transitioned from Classic to Lightning Experience. One of its business processes requires certain values from the Opportunity cbject to be sent via an HTTP REST callout to its external order management system when the user presses a custom button on the Opportunity detail page. Example values are as follows: * Name * Amount * Account Which two methods should the developer implement to fulfill the business requirement? Choose 2 answers

A. Create a Remote Action on the Opportunity object that executes an Apex immediate action toperform the HTTP REST callout whenever the Opportunity Is updated

B. Create a custom Visualforce quick action that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page

C. Create a Lightning component quick action that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page

D. Create an after update trigger on the Opportunity object that calls a helper method using @Future (Callour=true) to perform the HTTP REST callout

View answer

Correct Answer: ABC

Question #9

A developer runs the following anonymous code block in a Salesforce org with 100 accounts List acc= {select id from account limit 10}; delete acc; database.emptyrecyclebin(acc); system.debug (limits.getlimitqueries()+' ,'+Limits.getlimitDMLStatements()); What is the debug output?

A. 1, 2

B. 10, 2

C. 100, 150

D. 150, 100

View answer

Correct Answer: C

Question #10

For which example task should a developer use a trigger rather than a workflow rule?

A. To set the primary Contact on an Account record when it is saved

B. To send an email to hiring manager when a candidate accepts a job offer

C. To set the Name field of an expense report record to Expense and the Date when it is saved

D. To notify an external system that a record has been modified

View answer

Correct Answer: A

Question #11

Where are two locations a developer can look to find information about the status of batch or future methods? Choose 2 answers

A. Developer Consolecorrect

B. Apex Flex Queuecorrect

C. Apex Jobscorrect

D. Paused Flow Interviews component

View answer

Correct Answer: ABC

Question #12

A developer created a trigger on the Account object and wants to test if the trigger is properly bulkified. The developer team decided that the trigger should be tested with 200 account records with unique names. What two things should be done to create the test data within the unit test with the least amount of code? Choose 2 answers

A. Use Test

B. Create a static resource containing test data

C. Use the @isTest (isParallel=true) annotation in the test class

D. Use the @isTest (seeAllData=true) annotation in the test class

View answer

Correct Answer: AB

Question #13

A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles. Which two tools can they use to run a script that deploys to a sandbox? Choose 2 answers

A. VSCodecorrect

B. Developer Console

C. Change Sets

D. SFOX CLIcorrect

View answer

Correct Answer: AD

Question #14

A candidate may apply to multiple jobs at the company Universal Containers by submtting a single application per job posting. Once an application is submitted for a job posting, that application cannot be modified to be resubmitted to a different job posting.What can the administrator do to associate an application with each job posting in the schema for the organization?

A. Create a master-detail relationship in the Job Postings custom object to the Applications custom object

B. Create a master-detail relationship in the Application custom object to the Job Postings custom object

C. Create a lookup relationship on both objects to a junction object called Job Posting Applications

D. Create a lookup relationship in the Applications custom object to the Job Postings custom object

View answer

Correct Answer: A

Question #15

What are two considerations for deciding to use a roll-up summary field? Choose 2 answer's partner.

A. Roll-up summary can be performed on formula fields, but if their formula contains an #Error result, it may affect the summary value

B. Roll-up summary fields do not cause validation rules on the parent object unless that object is edited separately

C. Roll-up cannot be performed on formula fields

D. Roll-up cannot be performed on formula fields that use cross-object references or on-the-fly calculations such as NOW()

View answer

Correct Answer: AD

Question #16

When would a developer use a custom controller instead of a controller extension? Choose 2 answers:

A. When a Visualforce page needs to replace the functionality of a standard controller

B. When a Visualforce page does not reference a single primary object

C. When a Visualforce page should not enforce permissions or field-level security

D. When a Visualforce page needs to add new actions to a standard controller

View answer

Correct Answer: BC

Question #17

Universal Containers decides to use exclusively declarative development to build out a new Salesforce application. Which three options should be used to build out the database layer for the application? Choose 3 answers

A. Roll-up summaries

B. Custom objects and fields

C. Relationships

D. Flows

E. Triggers

View answer

Correct Answer: ABC

Question #18

A developer created a custom order management app that uses an Apex class. The order is represented by an Order object and an Orderltem object that has a master-detail relationship to Order. During order processing, an order may be split into multiple orders. What should a developer do to allow their code to move some existing Orderltem records to a new Order record?

A. Create a junction object between OrderItem and Order

B. Select the Allow reparenting option on the master-detail relationship

C. Change the master-detail relationship to an external lookup relationship

D. Add without sharing to the Apex class declaration

View answer

Correct Answer: B

Question #19

What does the Lightning Component framework provide to developers?

A. Prebuilt components that can be reusedcorrect

B. Support for Classic and Lightning Uls

C. Extended governor limits for applications

D. Templates to create custom components

View answer

Correct Answer: A

Question #20

What can a developer use to determine if the core Apex code exceeds any governor limits in a test class during bulk execution?

A. Limits, startTest, stopTest

B. Test

C. @TestSetup

D. @TestVisible

View answer

Correct Answer: A

Question #21

Which scenario is valid for execution by unit tests?

A. Load data from a remote site with a callout

B. Execute anonymous Apex as a different user,

C. Generate a Visualforce PDF with getContentASPDFcorrect

D. Set the created date of a record using a system method

View answer

Correct Answer: C

Question #22

What is considered the primary purpose for creating Apex tests?

A. To confirm all classes and triggers compile successfully

B. To ensure every use case of the application is covered by a test

C. To confirm every trigger in executed at least once

D. To guarantee at least 50% of code is covered by unit tests before it is deployed

View answer

Correct Answer: B

Question #23

Which two automation tools include a graphical designer? Choose 2 answers

A. Approvals

B. Flow builder

C. Process builder

D. Workflows

View answer

Correct Answer: AB

Question #24

Application Events follow the traditional publish-subscribe model. Which method is used to fire an event?

A. Fire()

B. Emit()

C. RegisterEvent()

D. FireEvent()

View answer

Correct Answer: A

Question #25

A developer is creating an enhancement to an application that will allow people to be related to their employer.Which date model should be used to track the data?

A. Create a junction object to relate many people to many employers trough master-detail relationship

B. Create a junction object to relate many people to many employers trough lookup relationship

C. Create a lookup relationship to indicate that a person has an employer

D. Create a master detail relationship to indicate that a person has an employer

View answer

Correct Answer: C

Question #26

Universal Containers (UC) decided it will not to send emails to support personnel directly from Salesforce in the event that an unhandled exception occurs. Instead, UC wants an external system be notified of the error. What is the appropriate publish/subscribe logic to meet these requirements?

A. Publish the error event using the addError() method and have the external system subscribe to the event using CometD

B. Publish the error event using the Eventbus

C. Have the external system subscribe to the BatchApexError event, no publishing is necessary

D. Publish the error event using the addError() method and write a trigger to subscribe to the event and notify the external system

View answer

Correct Answer: B

Question #27

Potential home buyers working with a real estate company can make offers on multiple properties that are listed with the real estate company. Offer amounts can be modified; however, the property that has the offer cannot be modified after the offer is placed. What should be done to associate offers with properties in the schema for the organization?

A. Create a master-detail relationship in the contact object to both the property and offer custom objects

B. Create a lookup relationship in the property custom object to the offer custom object

C. Create a master-detail relationship in the offer custom object to the property custom object

D. Create a lookup relationship in the offer custom object to the property custom object

View answer

Correct Answer: C

Question #28

How can a developer use a Setto limit the number of records returned by a SOQL query?

A. Reference the Set in the LIMIT clause of the query

B. Pass the query results as an argument in a reference to the Set

C. Pass the Set as an argument in a reference to the Database

D. Reference the Set in the WHERE clause of the query

View answer

Correct Answer: D

Question #29

Which standard field needs to be populated when a developer inserts new Contact records programmatically?

A. Accountld

B. Name

C. LastName

D. FirstName

View answer

Correct Answer: C

Question #30

An Account trigger updates all related Contacts and Cases each time an Account is saved using thefollowing two DML statements:update allContacts; update allCases;What is the result if the Case update exceeds the governor limit for maximum number of DML records?

A. The Account save succeeds, Contacts are updated, but Cases are not

B. The Account save fails and no Contacts or Cases are updated

C. The Account save is retried using a smaller trigger batch size

D. The Account save succeeds and no Contacts or Cases are updated

View answer

Correct Answer: B

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