CERTIFICATION DEX-450 SAMPLE QUESTIONS - VALID EXAM DEX-450 REGISTRATION

Certification DEX-450 Sample Questions - Valid Exam DEX-450 Registration

Certification DEX-450 Sample Questions - Valid Exam DEX-450 Registration

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Tags: Certification DEX-450 Sample Questions, Valid Exam DEX-450 Registration, Latest Braindumps DEX-450 Ebook, DEX-450 New Braindumps Ebook, DEX-450 Test Question

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Salesforce DEX-450: Programmatic Development using Apex and Visualforce in Lightning Experience Exam is an important certification that validates the skills and knowledge of a Salesforce developer. It is designed for those who want to enhance their proficiency in developing custom applications using Apex and Visualforce technologies in Lightning Experience.

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q151-Q156):

NEW QUESTION # 151
Which three data types can a SOQL query return? Choose 3 answers

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

Answer: B,C,D


NEW QUESTION # 152
The value of the account type field is not being displayed correctly on the page. Assuming the custom controller is properly referenced on the Visualforce page, what should the developer do to correct the problem?

  • A. Add a getter method for the actType attribute.
  • B. Convert theAccount.Type to a String.
  • C. Change theAccount attribute to public.
  • D. Add with sharing to the custom controller.

Answer: A


NEW QUESTION # 153
The Job _Application__c custom object has a field that is a master-detail relationship to the Contact object, where the Contact object is the master.
As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is
'Technology', while also retrieving the Contact's Job_Application__c records.
Based on the object's relationships, what is the most efficient statement to retrieve the list of Contacts?

  • A.
  • B.
  • C.
  • D.

Answer: A


NEW QUESTION # 154
Universal Containers wants to automatically assign new cases to the appropriate support representative based on the case origin. They have created a custom field on the Case object to store the support representative name.
What is the best solution to assign the case to the appropriate support representative?

  • A. Use a trigger on the Case object.
  • B. Use a formula field on the Case object.
  • C. Use a validation rule on the Case object.
  • D. Use an Assignment Flow element.

Answer: D

Explanation:
Option B: Use an Assignment Flow element.
Correct Answer.
Using a record-triggered flow, you can automatically assign new cases based on the case origin.
Flows provide flexibility to set field values, assign records, and automate complex logic without code.
While an Apex trigger can perform the assignment, using declarative tools like Flow is recommended for maintainability and ease of use.
Validation rules enforce data integrity by preventing invalid data from being saved.
They do not assign records or automate processes.
Option D: Use a formula field on the Case object.
Incorrect.
Formula fields are read-only and cannot change record ownership or assign records.
They calculate values dynamically based on other fields.
Conclusion:
The best solution is to use an Assignment Flow element, which is Option B.
Reference:
Record-Triggered Flows
Automatically Assign Cases
Option C: Use a trigger on the Case object.
Possible but Not Best Practice.
Apex Triggers
Option A: Use a validation rule on the Case object.
Incorrect.


NEW QUESTION # 155
Given the code below:

What should a developer do to correct the code so that there is no chance of hitting a governor limit?

  • A. combine the two SELECT statements into a single SOQL statement.
  • B. Add a LIMIT clause to the first SELECT SOQL statement.
  • C. Rework the code and eliminate the for loop.
  • D. Add a WHERE clause to the first SELECT SOQL statement.

Answer: D


NEW QUESTION # 156
......

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