Salesforce Salesforce Certifications DEX-450 Questions & Answers

• Question 271:

  A company wants to create an employee rating program that allows employees to rate each other. An employees average rating must be displayed on the employee record. Employees must be able to create rating records, but are not allowed to create employee records. Which two actions should a developer take to accomplish this task?

  A. Create a trigger on the Rating object than updates a field on the Employee object.

  B. Create a roll-up summary field on the Employee and use AVG to calculate the average rating score.

  C. Create a lookup relationship between the Rating and Employee object.

  D. Create a master-detail relationship between the Rating and Employee objects.

  Correct Answer: B

• Question 272:

  Which three statements are true regarding cross-object formulas? Choose 3 answers

  A. Cross-object formulas can reference fields from master-detail or lookup relantionships

  B. Cross-object formulas can reference fields from objects that are up to 10 relantionship away

  C. Cross-object formulas can expose data the user does not have access to in a record

  D. Cross-object formulas can reference child fields to perform an average

  E. Cross-object formulas can be referenced in roll-up summary field

  Correct Answer: ABC

• Question 273:

  Which type of code represents the Controller in MVC architecture on the Force.com platform? (Choose 2)

  A. JavaScript that is used to make a menu item display itself.

  B. A static resource that contains CSS and images.

  C. Custom Apex and JavaScript coda that is used to manipulate data.

  D. StandardController system methods that are referenced by Visualforce.

  Correct Answer: CD

• Question 274:

  Which two statement can a developer use to throw a custom exception of type MissingFieldValueException?Choose 2 answers

  A. Throw (MissingFieldValueException,'Problem occurred');

  B. Throw new MissingFieldValueException('Problem occurred');

  C. Throw new MissingFieldValueException();

  D. Throw Exception(new MissingFieldValueException());

  Correct Answer: BC

• Question 275:

  Where can the custom roll-up summary fields be created using Standard Object relationships (Choose 3)

  A. On Opportunity using Opportunity Product records.

  B. On Account using Case records.

  C. On Quote using Order records.

  D. On Campaign using Campaign Member records.

  E. On Account using Opportunity records.

  Correct Answer: ADE

• Question 276:

  How should a custom user interface be provided when a user edits an Account in Lightning Experience?

  A. Override the Account's Edit button with Lightning Flow

  B. Override the Account's Edit button with Lightning Action

  C. Override the Account's Edit button with Lightning page.

  D. Override the Account's Edit button with Lightning component.

  Correct Answer: D

• Question 277:

  A developer uses a test setup method to create an account named 'test'. The first method deletes the account record. What must be done in the second test method to use the account?

  A. Use select id from account where name='test'

  B. Restore the account using an undelete statement

  C. Call the test setup method at the start of the test

  D. The account cannot be used in the second method

  Correct Answer: A

• Question 278:

  Which one do you like?

  What should a developer consider for an environment that has over 10,000 Case records?

  A. The transaction will fail due to exceeding the governor limit.

  B. The try/catch block will handle any DML exceptions thrown.

  C. The transaction will succeed and changes will be committed.

  D. The try/catch block will handle exceptions thrown by governor limits.

  Correct Answer: A

• Question 279:

  Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are avaible. Which method should be used to calculate the estimated ship date for an Order?

  A. Use a CEILING formula on each of the Latest availability date fields.

  B. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.

  C. Use a LATEST formula on each of the latest availability date fields.

  D. Use a Max Roll-Up Summary field on the Latest availability date fields.

  Correct Answer: D

• Question 280:

  What is a capability of the Force.com IDE? Choose 2 answers

  A. Roll back deployments.

  B. Run Apex tests.

  C. Download debug logs.

  D. Edit metadata components.

  Correct Answer: BD