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[Hardware] Exam Plat-Dev-301 Duration, Reliable Plat-Dev-301 Test Simulator

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【Hardware】 Exam Plat-Dev-301 Duration, Reliable Plat-Dev-301 Test Simulator

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q111-Q116):NEW QUESTION # 111
Refer to the following code snippet:

A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers
  • A. Use the WZ E D clause within the SOQL query.
  • B. Annotate the Apex method with @AuraEnabled(Cacheable=True).
  • C. Implement the with sharing keyword in the class declaration.
  • D. Implement the with keyword in the class declaration.
  • E. Annotate the Apex method with @AuraEnabled.
Answer: B,C,E
Explanation:
The Apex class needs to have the method annotated with @AuraEnabled to expose it to the LWC. The 'with sharing' keyword ensures that the data access is enforced according to the user's permissions. @AuraEnabled(cacheable=true) allows client-side caching for improved performance.
@AuraEnabled Annotation: Apex Developer Guide
Enforcing Sharing Rules: Apex Developer Guide

NEW QUESTION # 112
How should a developer verify that a specific Account record is being tested in a test class for a Visualforce controller?
  • A. Insert the Account in the test class, instantiate the page reference in the test class, then use System.currentFageReference() .getFarameters() .put{) to set the Account ID.
  • B. Insert the Account into Salesforce, instantiate the page reference in the test class, then use system. setFarentRecordId() .get() to set the Account ID.{of Instantiate the page reference in the test class, insert the Account inthe test class, then use =seeAllData=trus to view the Account.
  • C. Instantiate the page reference in the test class, insert the Account inthe test class, then use system.setFarentRecordrd() .get() to set the Account ID,
Answer: A
Explanation:
To test a Visualforce controller that works with specific records, you should insert the necessary test data in the test class. Then instantiate a PageReference for the Visualforce page, set the record id in the page parameters, and use System.currentPageReference().getParameters().put('id', recordId) to simulate navigating to the page with that record.

NEW QUESTION # 113
Universal Containers (UC) has an ERP system that stores customer Information, When an Account is created in Salesforce, the ERP system's REST endpoint for creating new customers must automatically be called with the Account information. If the call to the ERP system falls, the Account should still be created. Accounts in the UC org are only created, one at a time, by users in the UC customer on-boarding department.
What should a developer implement to make the call to the ERP
system's REST endpoint?
  • A. Call a Queueable from a Trigger
  • B. REST call from JavaScript
  • C. Apex Continuation
  • D. Headless Quick Action
Answer: A
Explanation:
Since the requirement is to make a callout to an external ERP system when an Account is created and still allow for the Account creation even if the call fails, a Queueable class called from a trigger is the best solution. Queueable Apex allows you to submit jobs for asynchronous processing similar to future methods but with additional benefits such as chaining jobs and monitoring the job status.
By using a Queueable, the callout can be made after the Account is created, which respects the Salesforce order of execution and avoids the limitation of callouts not being allowed after DML operations in the same transaction. This approach also does not block the user interface or the creation of the Account record if the callout to the ERP system takes a long time or fails.
Salesforce Documentation on Queueable Apex: Using Queueable Apex to Perform Jobs Salesforce Developer Guide on Asynchronous Apex: Queueable Apex

NEW QUESTION # 114
A company needs to automatically delete sensitive information after seven years.
This could delete almost a million records every day.
How can this be achieved?
  • A. Use aggregate functions to query for records older than seven years, and then delete the aggrigateResults objects.{civ [+] Schedule a batch Apex process to run every day that queries and deletes records older than seven years.
  • B. Schedule an @fuzure process to query records older than seven years, and then recursively invoke itself in 1,000 record batches to delete them,
  • C. Perform a SOSL statement to find records older than 7 years, and then delete the entire result set.
Answer: C
Explanation:
Batch Apex is designed to handle large data operations by breaking the transaction into smaller batches. Scheduling a batch process to run daily enables the system to manage the deletion of large numbers of records efficiently, without hitting governor limits. It's the best practice for performing mass deletions on a regular schedule.
Using Batch Apex

NEW QUESTION # 115
Which method should be used to convert a Date to a String in the current user's locale?
  • A. Date.paras
  • B. String.valueof
  • C. Date. format
  • D. String.format
Answer: C
Explanation:
The format method of the Date class is used to convert a Date to a String formatted in the current user's locale. This respects the locale settings of the user context under which the code is running, ensuring the date is represented in a way that is familiar to the user.
Apex Developer Guide

NEW QUESTION # 116
......
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