無料セールまもなく終了！100%有効DEX-450試験問題集に172問題と解答が待ってます [Q25-Q46]

無料セールまもなく終了！100%有効DEX-450試験問題集に172問題と解答が待ってます

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質問 # 25
A developer encounters APEX heap limit errors in a trigger.
Which two methods should the developer use to avoid this error? (Choose two.)

• A. Use SOQL for loops instead of assigning large queries results to a single collection and looping through the collection.
• B. Use the transient keyword when declaring variables.
• C. Query and store fields from the related object in a collection when updating related objects.
• D. Remove or set collections to null after use.

正解：A、B

質問 # 26
What are two benefits of the Lightning Component framework? (Choose two.)

• A. It simplifies complexity when building pages, but not applications.
• B. It allows faster PDF generation with Lightning components.
• C. It provides an event-driven architecture for better decoupling between components.
• D. It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.

正解：C、D

質問 # 27
An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?

• A. Write a trigger on the child object and use a red-black tree sorting to sum the amount for all related child objects under the Opportunity.
• B. Use the Streaming API to create real-time roll-up summaries.
• C. Write a Process Builder that links the custom object to the Opportunity.
• D. Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity

正解：D

質問 # 28
What is the proper process for an Apex Unit Test

• A. Query for test data using SeeAllData = true. Call the method being tested. Verify that the results are correct.
• B. Create data for testing. Call the method being tested. Verify that the results are correct.
• C. Query for test data using SeeAllData = true. Execute runAllTests(). Verify that the results are correct.
• D. Create data for testing. Execute runAllTests(). Verify that the results are correct.

正解：B

質問 # 29
niversal Containers (UC) processes orders in Salesforce in a custom object, Crder_c. They also allow sales reps to upload CSV files with of orders at a time.
A developer is tasked with integrating orders placed in Salesforce with UC's enterprise resource planning (ERP) system.
'After the status for an Craer__c is first set to "Placed', the order information must be sent to a REST endpoint in the ERP system that can process ne order at a time.
What should the developer implement to accomplish this?

• A. Callout from a queseatie class called from a trigger
• B. Callout from an surare method called from a trigger
• C. Flow with 2 callout from an invocable method
• D. Callout from a Sarchabie class called from a scheduled job

正解：B

質問 # 30
Where can a developer identify the time taken by each process in a transaction using Developer Console log inspector?

• A. Execution Tree tab under Stack Tree panel
• B. Save Order tab under Execution Overview panel
• C. Performance Tree tab under Stack Tree panel
• D. Timeline tab under Execution Overview panel

正解：D

質問 # 31
Which process automation should be used to post a message to Chatter without using Apex code?

• A. Flow Builder
• B. Strategy Builder
• C. Entitlement Process
• D. Outbound Message

正解：A

質問 # 32
For which three items can a trace flag be configured?
Choose 3 answers

• A. User
• B. Process Builder
• C. Apex Trigger
• D. Visualforce
• E. Apex Class

正解：A、C、E

質問 # 33
Which requirement needs to be implemented by using standard workflow instead of Process Builder? Choose 2 answers

• A. Submit a contract for approval.
• B. Create activities at multiple intervals.
• C. Copy an account address to its contacts.
• D. Send an outbound message without Apex code.

正解：C、D

質問 # 34
To which primitive data type is a text area (rich) field automatically assigned?

• A. Text
• B. String
• C. Object
• D. Blob

正解：B

質問 # 35
A developer created a Lightning web component called statusComponent to be inserted into the Account record page.
Which two things should the developer do to make the component available?

• A. Add <isExposed> true</isExposed> to the statusComponent.js-meta ml file.
• B. Add <target> lighting _RecordPage </target> to the statusComponent.js-meta ml file.
• C. Add < masterLabel>Account</master Label> to the statusComponent.js-meta ml file.
• D. Add<target> Lightning_RecordPage </target> to the statusComponent.js file.

正解：A、B

質問 # 36
Which Apex class contains methods to return the amount of resources that have been used for a particular governor, such as the number of DML statements?

• A. Exception
• B. OrgLimits
• C. Limits
• D. Messaging

正解：C

質問 # 37
How should the developer overcome this problem? While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard Pricebook since one already exist in the org.

• A. Use Test.getStandardPricebbokId()to get the standard Pricebook ID.
• B. Use @IsTest(SeeAllData=true) and delete the existing standard Pricebook.
• C. Use Test.loaddata() and a Static Resource to load a standard Pricebook
• D. Use @TestVisible to allow the test method to see the standard Pricebook.

正解：A

質問 # 38
In Lightning component framework, which resource can be used to fire events? Choose 2 answers.

• A. Third-party Javascript code
• B. Third-party web service code
• C. Visualforce controller actions
• D. Javascript controller actions

正解：A、D

質問 # 39
A Next Best Action strategy uses an Enhance Element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors. What is the correct definition of the Apex method?

• A. @InvocableMethod
  global static List<List<Recommendation>> getLevel (List<ContactWrapper> input)
  { /*implementation */ }
• B. @InvocableMethod
  global Recommendation getlevel(ContactWrapper input)
  { /*implementation */ }
• C. @InvocableMethod
  global List<List<Recommendation>> getlevel(List<COntactWrapper> input)
  { /*implementation */ }
• D. @InvocableMethod
  global static ListRecommendation getLevel(List<Contactwrapper> input)
  { /*implementation*/ }

正解：A

質問 # 40
A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of new Apex helper class. Change Set deployment to production fails with the test coverage warning: "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required" What should the developer do to successfully deploy the new Apex trigger and helper class?

• A. Create a test class and methods to cover the Apex trigger
• B. Run the tests using the 'Run All Tests' method.
• C. Increase the test class coverage on the helper class
• D. Remove the falling test methods from the test class.

正解：D

質問 # 41
A developer must write an Apex 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 succesfully perform deletions?

• A. AccountRec.sObjectType.isDeleteable()
• B. Account.isDelketable()
• C. Schema.sObjectType.Account.isDeletable()
• D. AccountRec.isdeletable()

正解：C

質問 # 42
A developer is creating an app that contains multiple Lightning web components.
One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.
How should this be accomplished?

• A. Create a custom event.
• B. Update a property on the parent.
• C. Call a method in the Apex controller.
• D. Fire a notification.

正解：A

質問 # 43
A developer is creating a test coverage for a class and needs to insert records to validate functionality. Which method annotation should be used to create records for every method in the test class?

• A. @TestSetup
• B. @BeforeTest
• C. @isTest(SeeAllData=True)
• D. @PreTest

正解：A

質問 # 44
Which two operations can be performed using a formula field? Choose 2 answers

• A. Displaying an Image based on the Opportunity Amount (Missed)
• B. Displaying the last four digits of an encrypted Social Security number
• C. Triggering a Process Builder
• D. Calculating a score on a Lead based on the information from another field (Missed)

正解：A、D

質問 # 45
Which three data types can a SOQL query return? Choose 3 answers

• A. sObject
• B. List
• C. Integer
• D. Long

正解：A、B、C

質問 # 46
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