DEX-450試験無料問題集（239題）「Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience 認定」

出題：1

A developer must write anApex method that will be called from a lightning component. The method may delete an Account stored in the accountRec variable.
Which method should a developer use to ensure only users that should be able to delete Accounts can successfully perform deletion?

A. Account, isDeletable ()

B. Schena, sobjectType, Account, isDeletetable ()

C. accountRec., isDeletable()

D. AccountRec, ObjecType, ieDeletable ()

正解：B 解答を投票する

出題：2

In the following example, which starting context will mymethod execute it is invoked?

A. Sharig rules will not be enforced for the running user.

B. Sharig rules will be enforced for the running user.

C. Sharig rules will be enforced by the instartiating class.

D. Sharig rules will be inherited from the calling context.

正解：D 解答を投票する

出題：3

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. Direct Lookup

B. Indirect Lookup

C. External ID and Unique

D. Lookup

正解：C 解答を投票する

出題：4

What are two use cases for executing Anonymous Apex code? Choose 2 answers

A. To add unit test code coverage to an org

B. To schedule an Apex class to run periodically

C. To delete 15,000 inactive Accounts In a single transaction after a deployment

D. To run a batch Apex class to update all Contacts

正解：B,D 解答を投票する

出題：5

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

A. FIND Universal Containers' IN CompanyName Fietds RETURNING lead{ld. name), accounted, name), contacted, name)

B. FIND 'Universal Containers' IN Name Fields RETURNING leadjid, name), accounted, name), contacted, name)

C. SELECT Lead.id. Lead.Name, Account.Id, AccountName, Contacted, Contact.Name FROM Lead, Account, Contact WHERE CompanvName * Universal Containers'

D. SELECT lead(id, name). accountOd, name), contacted, name) FROM Lead, Account, Contact WHERE Name = "universal Containers'

正解：B 解答を投票する

出題：6

Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the Apex class, BodyFat, and its method, calculateBodyFat(). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizations outside the ISV's package namespace.
Which approach should a developer take to ensure calculateBodyFat() is accessible outside the package namespace?

A. Declare the class and method using the public access modifier.

B. Declare the class and method using the global access modifier.

C. Declare the class as global and use the public access modifier on the method.

D. Declare the class as public and use the global access modifier on the method.

正解：B 解答を投票する

出題：7

A developer created this Apex trigger that calls Myclass.myStaticMethod:

The developer creates a test class with a test method that calls MyClass.myStaticMethod directly, resulting in 81% overall code coverage.
What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exists?

A. The deployment passes because both classes and the trigger were included in the deployment.

B. The deployment passes because the Apex code has the required >75% code coverage.

C. The deployment fails because the Apex trigger has no code coverage.

D. The deployment fails because no assertions were made in the test method.

正解：C 解答を投票する

出題：8

Which code displays the contents of a Visualforce page as a PDF?

A. <apex:page renderAs="application/pdf">

B. <apex:page contentType="application/pdf">

C. <apenipage contentType="pdf">

D. <apexipage renderAs="pdf">

正解：D 解答を投票する

出題：9

Universal Containers has large number of custom applications that were built using a third-party javaScript framework and exposed using Visualforce pages. The Company wants to update these applications to apply styling that resembles the look and feel of Lightning Experience. What should the developer do to fulfill the business request in the quickest and most effective manner?

A. Rewrite all Visualforce pages asLightning components.

B. Incorporate the Salesforce Lightning Design System CSS stylesheet into the JavaScript applications.

C. Set the attribute enableLightning to true in the definition.

D. Enable Available for Lightning Experience, Lightning Communities, and the mobile app on Visualforce pages used by the custom application.

正解：B 解答を投票する

出題：10

A software company uses the following objects and relationships:
* Case: to handle customer support issues
* Defect_c: a custom object to represent known issues with the company's software
* case_Defect__c: a junction object between Case and Defector to represent that a defect Is a customer issue What should be done to share a specific Case-Defect_c record with a user?

A. Share the Case_Defect_c record.

B. Share the parent Case record.

C. Share the parent Case and Defect_c records.

D. Share the parent Defect_c record.

正解：C 解答を投票する

出題：11

Which code in a Visualforce page and/or controller might present a security vulnerability?

A. <apex:outputField value="{'ctrl.userInput}" />

B. <apex:outputText escape="false" value="{!sCurrentPage.parameters.userInput}" />

C. <apex:outputfield value="(!ctrl.userinput)" rendered="(!isfditable}" />

D. <apex:outputText value="{!SCurrentPage.parameters.useriInput}" />

正解：B 解答を投票する

出題：12

Universal Containers wants to ensure that all new leads created in the system have a valid email address. They have already created a validation rule to enforce this requirement, but want to add an additional layer of validation using automation.
What would be the best solution for this requirement?

A. Use a custom Lightning web component to make a callout to validate the fields on a third party system.

B. Submit a REST API Callojt with a JSON payload and validate the f elds on a third patty system

C. Use a before-save Apex trigger on the Lead object to validate the email address and display an error message If it Is invalid

D. Use an Approval Process to enforce tne completion of a valid email address using an outbound message action.

正解：C 解答を投票する

出題：13

Which three data types can a SOQL query return?
Choose 3 answers

正解：C,D,E 解答を投票する

出題：14

Which two settings must be defined in order to update a record of a junction object? Choose 2 answers

A. Read/Write access on the primary relationship

B. Read/Write access on the secondary relationship

C. Read/Write access on the junction object

D. Read access on the primary relationship

正解：A,B 解答を投票する

出題：15

While developing an Apex class with custom search functionality that will be launched from a Lightning Web Component, how can the developer ensure only records accessible to the currently logged in user are displayed?

正解：C 解答を投票する

DEX-450試験無料問題集「Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience 認定」