DEX-450 by Salesforce Valid Free Exam Practice Test

Question 1

Developers at Universal Containers (UC) use version control to share their code changes, but they notice that when they deploy their code to different environments they often have failures. They decide to set up Continuous Integration (CI).
What should the UC development team use to automatically run tests as part of their CI process?

A. Developer Console B. Salesforce CLI C. Visual Studio Code D. Force.com Toolkit

Correct Answer: B

Question 2

A software company uses the following objects and relationships:
* Case: to handle customer support issues
* Defect__c: a custom object to represent known issues with the company's software
* Case Defect__c a junction object between Case and Defect __c to represent that a defect is a cause of a customer issue Case and Defect__c have Private organization-wide defaults.
What should be done to share a specific Case_Defect__c record with a user?

A. Share the case_Defect_c record. B. Share the parent Cast record Defect_c records. C. Share the parent Defect__c record. D. Share the parent Case and record_c record.

Correct Answer: B

Question 3

A Primaryld_c custom field exists on the Candidate _c custom object. The field is used to store each candidate's id number and is marked as Unique in the schema definition.
As part of a data enrichment process, Universal Containers has a CSV file that contains updated data for all candidates in the system. The file contains each Candidate's primary .. as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.
Which technique should the developer implement to streamline the data upload?

A. Create a before insert trigger to correctly map the records, B. Upload the CSV into-a custom object related to candidate__c. C. Update the Primarytd_c field definition to mark it. as.an External Id. D. Create a before save flow to correctly map the records.

Correct Answer: C

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Question 4

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

Correct Answer: D

Question 5

A developer wants to mark each Account in a List<Account> as either Active or Inactive, based on the value in the LastModified each Account being greater than 90 days in the past.
Which Apex technique should the developer use?

A. A for loop, with an if or if/else statement inside B. A for loop, with a switch statement inside C. A witch statement, with a for loop inside D. An if-else statement, with a for loop inside

Correct Answer: A

Question 6

The orderHelper class is a utility class that contains business logic for processing orders. Consider the following code snippet:

A developer needs to create a constant named delivery_multiplier with a value of 4.15. The value of the constant should not change at any time in the code.
How should the developer declare the delivery multiplier constant to meet the business objectives?

A. static final decimal DELIVERY_MULTIPLIER = 4.15; B. constant decimal DELIVERY_MULTIPLIER = 4.15; C. decimal DELIVERY_MULTIPLIER = 4.15; D. static decimal DELIVERY_MULTIPLIER = 4.15;

Correct Answer: A

Question 7

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

Correct Answer: A

Question 8

What should a developer do to check the code coverage of a class after running all tests?

A. View the Class Test Percentage tab on the Apex Class list view in Salesforce Setup. B. View the Code Coverage column in the list view an the Apex Classes page. C. View the code coverage percentage for the class using the Overall Code Coverage panel in the Developer Console Tests tab. D. Select and run the class on the Apex Test Execution page in the Developer Console.

Correct Answer: C

Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience - DEX-450 Exam Practice Test