Salesforce Salesforce Certifications DEX-450 Questions & Answers

• Question 171:

  Which Salesforce feature allows a developer to see when a user last logged in to Salesforce if real-time notification is not required?

  A. Asynchronous Data Capture Events

  B. Developer Log

  C. Event Monitoring Log

  D. Calendar Events

  Correct Answer: C

• Question 172:

  Requirements state that a child record be to deleted when its parent is deleted, and a child can be moved to a different parent when necessary. Which type of relationship should be built between the parent and child objects in Schema Builder to support these requirements?

  A. Lookup Relathionship from to child to the parent

  B. Child relationship

  C. Master-Detail relationship

  D. Lookup Relathionship from to parent to the child

  Correct Answer: C

• Question 173:

  How can a developer use a Set to limit the number of records returned by a SOQL query?

  A. Reference the Set in the LIMIT clause of the query

  B. Pass the query results as an argument in a reference to the Set.containsAll() method.

  C. Pass the Set as an argument in a reference to the Database.query() method

  D. Reference the Set in the WHERE clause of the query

  Correct Answer: D

• Question 174:

  Which two condition cause workflow rules to fire? Choose 2 answers

  A. Changing territory assignments of accounts and opportunities

  B. Updating record using bulk API

  C. Converting leads to person account

  D. An Apex batch process that changes field values

  Correct Answer: BD

• Question 175:

  An org has different Apex Classes that provide Account -related functionality.After a new validation rule is added to the object, many of the test methods fail.

  What can be done to resolve the failures and reduce the number of code changes needed for future validation rules?Choose 2 answers:

  A. Create a method that creates valid Account records, and call this method from within test methods.

  B. Create a method that loads valid Account records from a Static Resource, and call this method within test methods.

  C. Create a method that performs a callout for a valid Account record, and call this method from within test methods.

  D. Create a method that queries for valid Account records, and call this method from within test methods.

  Correct Answer: AB

• Question 176:

  A Next Best Action strategy uses an Enhance Element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors. What is the correct definition of the Apex method?

  A. @InvocableMethod global static ListRecommendation getLevel(List input) { /*implementation*/ }

  B. @InvocableMethod global static List> getLevel (List input) { /*implementation */ }

  C. @InvocableMethod global List> getlevel(List input) { /*implementation */ }

  D. @InvocableMethod global Recommendation getlevel(ContactWrapper input) { /*implementation */ }

  Correct Answer: B

• Question 177:

  Which is a valid apex assignment?

  A. Integer x=5 * 1,0

  B. Integer = 5,0

  C. Double x = 5

  D. Float x = 5.0

  Correct Answer: C

• Question 178:

  developer created this Apex trigger that calls MyClass .myStaticMethod: trigger myTrigger on Contact (before insert) ( MyClass.myStaticMethod(trigger.new, trigger.oldMap); } The developer creates a test class with a test method that calls MyClass.mystaticMethod, resulting in 81% overall code coverage. What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exist?

  A. The deployment fails because the Apex trigger has no code coverage.

  B. The deployment fails because no assertions were made in the test method.

  C. The deployment passes because the Apex code has required (>75%) code coverage.

  D. The deployment passes because both classes and the trigger were included in the deployment.

  Correct Answer: A

• Question 179:

  Which two describe Heroku Redis? Choose 2 answers.

  A. Is an in-memory key-value data store, run by Heroku.

  B. Is a repository for storing large images.

  C. Is an option for long-term data storage.

  D. Is provisioned and managed as an add-on.

  Correct Answer: AD

• Question 180:

  A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of tests allowing them to test independent requirements various types of Salesforce Cases. Which approach can efficiently generate the required data for each unit test?

  A. Add @IsTest(seeAllData=true) at the start of the unit test class

  B. Create test data before test.startTest() in the test unit.

  C. Use @TestSetup with a void method

  D. Create a mock using Stub API

  Correct Answer: C