CRT-450 試験問題を無料オンラインアクセス

Given the following code snippet, that is part of a custom controller for a Visualforce page:

In which two ways can the try/catch be enclosed to enforce object and field-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access? Choose 2 answers

• A.Use if (Schema , sobjectType. Contact. Field, Is_Active_c. is Updateable ( ) )
• B.Use if (thisContact.Owner = = UserInfo.getuserId ( ) )
• C.Use if (Schema.sObjectType.Contact.isAccessible ( ) )
• D.Use if (Schema, sobjectType, Contact, isUpdatable ( ) )

Universal Containers has implemented an order management application. Each Order can have one or more Order Line items. The Order Line object is related to the Order via a master-detail relationship. For each Order Line item, the total price is calculated by multiplying the Order Line item price with the quantity ordered.
What is the best practice to get the sum of all Order Line item totals on the Order record?

• A.Quick action
• B.Roll-up summary field
• C.Apex trigger
• D.Formula field

A developer creates a batch Apex job to update a large number of records, and receives reports of the job timing out and not completing.
What is the first step towards troubleshooting the issue?

• A.Check the debug logs for the batch job.
• B.Decrease the batch size to reduce the load on the system.
• C.Check the asynchronous job monitoring page to view the job status and logs.
• D.Disable the batch job and recreate it with a smaller number of records.

A developer migrated functionality from JavaScript Remoting to a Lightning web component and wants to use the existing getOpportunities() method to provide data.
What to do now?

• A.The method must return a JSON Object.
• B.The method must be decorated with (cacheable=true).
• C.The method must be decorated with @AuraEnabled.
• D.The method must return a String of a serialized JSON Array.

In the Lightning UI, where should a developer look to find information about a Paused Flow Interview?

• A.On the Paused Row Interviews related List for a given record
• B.In the system debug log by Altering on Paused Row Interview
• C.In the Paused Interviews section of the Apex Flex Queue
• D.On the Paused Row Interviews component on the Home page