100% PASS ACCURATE SALESFORCE - DEX-450 - PDF PROGRAMMATIC DEVELOPMENT USING APEX AND VISUALFORCE IN LIGHTNING EXPERIENCE EXAM DUMP

100% Pass Accurate Salesforce - DEX-450 - Pdf Programmatic Development using Apex and Visualforce in Lightning Experience Exam Dump

100% Pass Accurate Salesforce - DEX-450 - Pdf Programmatic Development using Apex and Visualforce in Lightning Experience Exam Dump

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Salesforce DEX-450 Exam is a great way for developers to prove their expertise in programmatic development using Apex and Visualforce in Lightning Experience. It validates an individual's understanding of the programming concepts, best practices, and techniques that are necessary for developing custom applications and automating business processes in Salesforce. Programmatic Development using Apex and Visualforce in Lightning Experience certification is a must-have for developers who want to advance their careers in the Salesforce ecosystem.

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q174-Q179):

NEW QUESTION # 174
A developer has the following requirements:
* Calculate the total amount on an Order.
* Calculate the line amount for each Line Item based on quantity selected and price.
* Move Line Items to a different Order if a Line Item is not in stock.
Which relationship implementation supports these requirements on its own?

  • A. Line Item has a re-parentable master-detail field to Order.
  • B. Line Item has a re-parentable lookup field to Order.
  • C. Order has are-parentable master-detail field to Line Item.
  • D. Order has a re-parentable lookup field to Line Item.

Answer: A


NEW QUESTION # 175
A developer is creating a Lightning web component to show a list of sales records.
The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field.
How should this be enforced so that the component works for both users without showing any errors?

  • A. Use with 8ECTOITYJ2WFORCED in the SOQL that fetches the data for the component.
  • B. Use security.stripinaccessible to remove fields inaccessible to the current user.
  • C. Use Lightning Locker Service to enforce sharing rules and field-level security.
  • D. Use Lightning Data Service to get the collection of sales records.

Answer: B

Explanation:
To ensure that the component works for both users without showing errors due to field-level security, the developer should handle field accessibility programmatically.
Option D: Use Security.stripInaccessible to remove fields inaccessible to the current user.
Correct Answer.
The Security.stripInaccessible method can be used in Apex to remove fields from SObjects that the current user doesn't have access to.
When data is fetched using SOQL, the method can be applied to ensure that inaccessible fields are not included, preventing any security exceptions when the component tries to display them.
This method enforces field-level security and prevents exposure of inaccessible data.
Usage:
// Apex Controller
public with sharing class SalesRecordsController {
@AuraEnabled(cacheable=true)
public static List<Sales_Record__c> getSalesRecords() {
List<Sales_Record__c> records = [SELECT Id, Name, Commission__c, Other_Field__c FROM Sales_Record__c]; return (List<Sales_Record__c>) Security.stripInaccessible(AccessType.READABLE, records);
}
}
WITH SECURITY_ENFORCED enforces field and object level security in SOQL queries.
If a field is not accessible to the user, the query will throw an exception, which may cause errors in the component.
It does not remove inaccessible fields; it enforces security by failing the query.
Option B: Use Lightning Locker Service to enforce sharing rules and field-level security.
Incorrect.
Lightning Locker Service provides security for components but does not enforce sharing rules or field-level security.
Option C: Use Lightning Data Service to get the collection of sales records.
Not Sufficient Alone.
Lightning Data Service respects field-level security but may still cause errors if the component tries to access fields the user cannot see.
Additional handling is needed to prevent errors.
Conclusion:
To ensure the component works for both users and respects field-level security without causing errors, the developer should use Security.stripInaccessible, which is Option D.
Reference:
stripInaccessible Method
Enforcing CRUD and FLS
Incorrect Options:
Option A: Use WITH SECURITY_ENFORCED in the SOQL that fetches the data for the component.
Not Sufficient Alone.


NEW QUESTION # 176
A developer is alerted to an issue with a custom Apex trigger that is causing records to be duplicated.
What is the most appropriate debugging approach to troubleshoot the issue?

  • A. Add system.debug statements to the code to track the execution flow and identify the issue.
  • B. Use the Apex Interactive Debugger to step through the code and identify the issue.
  • C. Review the Historical Event logs to identify the source of the issue.
  • D. Disable the trigger in production and test to see if the issue still occurs.

Answer: A


NEW QUESTION # 177
A credit card company needs to implement the functionality for a service agent to process damaged or stolen credit cards. When the customers call in, the service agent must gather many pieces of information. A developer is tasked to implement this functionality.
What should the developer use to satisfy this requirement in the most efficient manner?

  • A. Approval process
  • B. Lightning Component
  • C. Screen-based flow
  • D. Apex trigger

Answer: C


NEW QUESTION # 178
Which two statement are acceptable for a developer to use Inside procedural loops?

  • A. Contact con =new contact()
  • B. Account a=[select id,name from account where id=:con.accountid limit 1]
  • C. Contactlist.remove(i)
  • D. Delete contactList

Answer: A,C


NEW QUESTION # 179
......

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