Salesforce Salesforce Certifications DEX-450 Questions & Answers

• Question 321:

  A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URLWhich statement is unnecessary inside the unit test for the custom controller?

  A. Public ExtendedController (ApexPages.StandardController cntrl) { }

  B. ApexPages.currentPage().getParameters().put('input', 'TestValue')

  C. Test.setCurrentPage(pageRef),

  D. String nextPage = controller.save().getUrl();

  Correct Answer: AD

• Question 322:

  Which two approaches optimize test maintenance and support future declarative configuration changes? Choose 2 answers.

  A. Create a method that queries for valid records, then call this method within test methods.

  B. Create a methods that loads valid Account records from a static resources, then call this method within test methods.

  C. Create a method that performs a callout for valid records, then call this method within test methods.

  D. Create a method that creates valid records,then call this method within test methods.

  Correct Answer: BD

• Question 323:

  A visualforce page uses the contact standard controller. How can a developer display the name from the parent account record on the page?

  A. Use SOQL syntax to find the related accounts name field

  B. Use the {!contact.account.name} merge field syntax

  C. Use an additional standard controller for accounts

  D. Use additional apex logic within the controller to query for the name field

  Correct Answer: B

• Question 324:

  An Apex transaction inserts 100 Account records and 2,000 Contact records before encountering a DML exception when attempting to insert 500 Opportunity records. The Account records are inserted by calling the database.insert() method with the allOrNone argument set to false. The Contact and Opportunity records are inserted using the standalone insert statement. How many total records will be committed to the database in this transaction?

  A. 100

  B. 2000

  C. 2100

  D. 0

  Correct Answer: A

• Question 325:

  Which actions can a developer perform using the Schema Builder?Choose 2 answers

  A. Create a custom field and automatically add it to an existing page layout.

  B. Create a view containing only standard and system objects.

  C. Create a custom object and define a lookup relationship on that object

  D. Create a view of objects and relationships without fields

  Correct Answer: BC

• Question 326:

  Which three process automations can immediately send an email notification to the owner of an Opportunity when its Amount is changed to be greater than $10,000? Choose 3 answers

  A. Workflow Rule (Missed)

  B. Flow Builder

  C. Approval Process (Missed)

  D. Escalation Rule

  E. Process Builder (Missed)

  Correct Answer: ACE

• Question 327:

  When creating unit tests in Apex, which statement is accurate?Choose 2

  A. Unit tests with multiple methods result in all methods failing every time one method fails.

  B. Increased test coverage requires large test classes with many lines of code in one method.

  C. Triggers do not require any unit tests in order to deploy them from sandbox to production.

  D. System Assert statements that do not Increase code coverage contribute important feedback in unit tests

  Correct Answer: BD

• Question 328:

  A developer has a unit test that is failing. To identify the issue, the developer copies the code inside the test method and executes it via the Execute Anonymous Apex Tool. The code then executes without failing. Why did the unit test failed, but not the Execute Anonymous?

  A. The test method has a syntax error in the code.

  B. The test method relies on existing data in the database

  C. The test method use a try/catch block

  D. The test method calls an @future method.

  Correct Answer: B

• Question 329:

  A developer has the following code block:

  public class PaymentTax {public static decimal SalesTax = 0.0875;} trigger OpportunityLineItemTrigger on OpportunityLineItem (before insert, before update) {PaymentTax PayTax = new PaymentTax();decimal ProductTax = ProductCost * XXXXXXXXXXX;}

  To calculate the productTax, which code segment would a developer insert at the XXXXXXXXXXX to make the value the class variable SalesTax accessible within the trigger?

  A. SalesTax

  B. PayTax.SalesTax

  C. PaymentTax.SalesTax

  D. OpportunityLineItemTngger.SalesTax

  Correct Answer: C

• Question 330:

  Which two roll-up summary field types are required to find the average of values on detail records in a Master-Detail relationship?

  A. Roll-up summary field of type COUNT

  B. Roll-up summary field of type SUM

  C. Roll-up summary field of type NUM

  D. Roll-up summary field of type TOTAL

  Correct Answer: AB