Salesforce DEX-450 Exam Practice Questions? | SPOTO

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Question #1

Which aspect of Apex programming is limited due to multitenancy?

A. The number of active Apex classes

B. The number of methods in an Apex Class

C. The number of records processed in a loop

D. The number of records returned from database queries

View answer

Correct Answer: D

Question #2

A developer needs to provide a Visualforce page that lets users enter Product-specific details during a Sales cycle. How can this be accomplished? (Choose 2)

A. Download a Managed Package from the AppExhange that provides a custom Visualforce page to modify

B. Copy the standard page and then make a new Visualforce page for Product data entry

C. Download an Unmanaged Package from the AppExchange that provides a custom Visualforce page to modify

D. Create a new Visualforce page and an Apex controller to provide Product data entry

View answer

Correct Answer: CD

Question #3

Universal Containers hires a developer to build a custom search page to help users find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field. Which consideration should the developer be aware of when deciding between SOQL and SOSL? Choose 2 answers

A. SOSL is faster for text searches

B. SOQL is able to return more recordscorrect

C. SOQL Is faster for text searches

D. SOSL is able to return more records

View answer

Correct Answer: AB

Question #4

Which user can edit a record after it has been locked for approval? (Choose 2)

A. Any user with a higher role in the hierarchy

B. A user who is assigned as the current approver

C. Any user who approved the record previously

D. An administrator

View answer

Correct Answer: BD

Question #5

What are three ways for a developer to execute tests in an org? Choose 3.

A. Bulk API

B. ToolingAPI

C. Metadata API

D. Setup Menu

E. Developer Console

View answer

Correct Answer: BCD

Question #6

What can be easily developed using the Lightning Component framework?

A. Salesforce Classic user Interface pages

B. Lightning Pagescorrect

C. Salesforce integrations

D. Customized JavaScript buttons

View answer

Correct Answer: B

Question #7

A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:Account myAccount = new Account(Name = 'MyAccount');Insert myAccount;For (Integer x = 0; x < 150; x++) {Account newAccount = new Account (Name='MyAccount' + x);try {Insert newAccount;} catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name='myAccount');How many accounts are in the org after this code is run?

A. 101

B. 100

C. 102

D. 252

View answer

Correct Answer: B

Question #8

Universal Containers has an order system that uses an Order Number to identify an order for customers and service agents. Order records will be imported into Salesforce. How should the Order Number field be defined in Salesforce?

A. Indirect Lockup

B. Direct Lookup

C. External ID and Uniquecorrect

D. Lookup

View answer

Correct Answer: C

Question #9

Which type of controller should a developer use to include a list of related records for a Custom Object record on a Visualforce page without needing additional test coverage?

A. Controller Extension

B. Custom Controller

C. Standard Controller

D. List Controller

View answer

Correct Answer: C

Question #10

A developer is implementing an Apex class for a financial system, Within the class, the variables ‘creditAmount’ and "debitAmount' should not be able to change once a value Is assigned. In which two ways can the developer declare the variables to ensure their value can only be assigned one time? Choose 2 answers

A. Use the static keyword and assign its value in the class constructor,correct

B. Use the final keyword and assign its value in the class constructor

C. Use the static keyword and assign its value in a static initializer

D. Use the final keyword and assign its value when declaring the variable

View answer

Correct Answer: ABD

Question #11

In the following example, which sharing context will myMethod execute when it is invoked? public class myClass { public void myMethod () {/*implementation*/} }

A. Sharing rules will be inherited from the calling context

B. Sharing rules will not be enforced for the running user

C. Sharing rules will be enforced by the instantiating class

D. Sharing rules will be enforced for the running user

View answer

Correct Answer: B

Question #12

When a user edits the Postal Code on an Account, a custom Account text field named "Timezone? must be updated based on the values in a PoataliCodeToTimezcone o custom object. Which two automation tools can be used to implement this feature? Choose 2 answers

A. Quick actionscorrect

B. Account triggercorrect

C. Approval process

D. Fast Field Updates record-triggered flowcorrect

View answer

Correct Answer: ABD

Question #13

What are two benefits of using declarative customizations over code? Choose 2 answer

A. Declarative customizations automatically update with each Salesforce release

B. Declarative customizations automatically generate test classes

C. Declarative customizations cannot generate run time errors

D. Declarative customizations generally require less maintenancecorrect

View answer

Correct Answer: AD

Question #14

Which two statement are acceptable for a developer to use Inside procedural loops?

A. Contactlist

B. Delete contactList

C. Account a=[select id,name from account where id=:con

D. Contact con =new contact()

View answer

Correct Answer: AD

Question #15

When can a developer use a custom Visualforce page in a Force.com application? (Choose 2)

A. To generate a PDF document with application data

B. To create components for dashboards and layouts

C. To deploy components between two organizations

D. To modify the page layout settings for a custom object

View answer

Correct Answer: AB

Question #16

From which 2 locations can a developer determine the overall code coverage for a sandbox?

A. The test suite run panel of the developer console

B. The apex classes setup page

C. The apex test execution page

D. The tests tab of the developer console

View answer

Correct Answer: BD

Question #17

Provide question feedback here (optional): Based on this code, what is the value of x?

A. 4correct

B. 1

C. 2

D. 3

View answer

Correct Answer: A

Question #18

A business has a proprietary Order Management System (QMS) that creates orders from Its website and fulfills the orders. When the order Is created in the OMS, an integration also creates an order record In Salesforce and relates It to the contact as identified by the email on the order. As the order goes through different stages in the OMS, the integration also updates it in Salesforce. The business notices that each update from the OMS creates a new order record in Salesforce. Which two actions should prev

A. Use the email on the contact record as an external Icorrect

B. Use the order number from the OMS as an external I

C. Write a trigger on the Order object to delete the duplicates

D. Ensure that the order number in the OMS is unique

View answer

Correct Answer: A

Question #19

Which action can a developer perform in a before update trigger? (Choose 2)

A. Display a custom error message in the application interface

B. Change field values using the Trigger

C. Delete the original object using a delete DML operation

D. Update the original object using an update DML operation

View answer

Correct Answer: AB

Question #20

A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static ListgetOpportunityProducts(SetopportunityIds){ ListoppLineItems = new List(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll ([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightnin

A. Use the System

B. Use the System

C. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids

D. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds

View answer

Correct Answer: A

Question #21

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

A. Add a test method in the Apex class,

B. Use the SeeAllData annotation

C. Use the @TestVisible annotation

D. Mark the Apex class as global

View answer

Correct Answer: C

Question #22

A lead developer creates a virtual class called "OrderRequest". Consider the following code snippet: Public class CustomerOrder { //code implementation } How can a developer use the OrderRequest class within the CustomerOrder class?

A. public class CusctomerOrder implements Ordercorrect

B. @Implements (class="OrderRequest”)public class CusatomaxOrder

C. Extends (class="OrderRequest”) pubklicclass CuastomerOrder

D. public class CustomerOrder extends OrderRequest

View answer

Correct Answer: A

Question #23

What would a developer do to update a picklist field on related Opportunity records when a modification to the associated Account record is detected?

A. Create a process with Process Builder

B. Create a workflow rule with a field update

C. Create a Lightning Component

D. Create a Visualforce page

View answer

Correct Answer: A

Question #24

When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be update based on the values in a PostalCodeToTimezone__c custom object. How should a developer implement this feature?

A. Build an Account Assignment Rule

B. Build an Account custom Trigger

C. Build an account Approval Process

D. Build an Account Workflow Rule

View answer

Correct Answer: B

Question #25

Universal Containers recently transitioned from Classic to Lightning Experience. One of its business processes requires certain values from the Opportunity object 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 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

B. Create a Remote Action on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated

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 (Callout=true) to perform the HTTP REST callout

View answer

Correct Answer: AC

Question #26

A developer is creating an enhancement to an application that will allow people to be related to their employer. Which data model provides the simplest solution to meet the requirements?

A. Create a lookup realtionship to indicate that a person has an employer

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

C. Create a junction object to relate many people to many through master-detail relationship

D. Create a junction object to relate many people to many through lookup relationship

View answer

Correct Answer: B

Question #27

A company has a custom object named Warehouse. Each Warehouse record has a distinct record owner, and is related to a parent Account in Salesforce.Which kind of relationship would a developer use to relate the Account to the Warehouse?

A. One -to -Many

B. Lookup

C. Master -Detail

D. Parent -Child

View answer

Correct Answer: B

Question #28

Before putting an app into production, which step should be taken?

A. Run the production check feature via the web interface

B. Switch to a production database

C. Insure that you have installed a performance introspection add-on

D. Scale your dynos

View answer

Correct Answer: A

Question #29

What is the accurate statement about with sharing keyword? choose 2 answers

A. Inner class do not inherit the sharing setting from the container class

B. Both inner and outer class can be declared as with sharing

C. Either inner class or outer classes can be declared as with sharing but not both

D. Inner class inherit the sharing setting from the container class

View answer

Correct Answer: AB

Question #30

Which collection type provides unique key/value pairings of data?

A. Map

B. List

C. Array

D. Set

View answer

Correct Answer: A

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