Salesforce Salesforce Developer DEX-450 Questions & Answers

• Question 1:

  A custom exception "RecordNotFoundException" is defined by the following code of block.public class RecordNotFoundException extends Exception()which statement can a developer use to throw a custom exception?choose 2 answers

  A. Throw new RecordNotFoundException("problem occured");

  B. Throw new RecordNotFoundException();

  C. throw RecordNotFoundException("problem occured");

  D. Throw RecordNotFoundException();

  Correct Answer: AB

• Question 2:

  Which component is available to deploy using Metadata API? Choose 2 answers

  A. Case Layout

  B. Account Layout

  C. Case Feed Layout

  D. ConsoleLayout

  Correct Answer: AB

• Question 3:

  The initial value for a number field on a record is 1. A user updated the value of the number field to 10. This action invokes a workflow field update, which changes the value of the number field to 11. After the workflow field update, an update trigger fires.What is the value of the number field of the object that is obtained from Trigger.old?

  A. Null

  B. 11

  C. 1

  D. 10

  Correct Answer: C

• Question 4:

  A developer runs the following anonymous code block in a Salesforce org with 100 accounts List acc= {select id from account limit 10}; delete acc; database.emptyrecyclebin(acc); system.debug (limits.getlimitqueries()+' ,'+Limits.getlimitDMLStatements()); What is the debug output?

  A. 1, 2

  B. 10, 2

  C. 100, 150

  D. 150, 100

  Correct Answer: C

• Question 5:

  In the Lightning Component framework, where is client-side controller logic contained?

  A. Apex

  B. Visualforce

  C. HTML

  D. JavaScript

  Correct Answer: D

• Question 6:

  Which query should a developer use to obtain the Id and Name of all the Leads, Accounts, and Contacts that have the company name "Universal Containers"?

  A. IND 'Universal Containers' IN Name Fields RETURNING lead(id, name), account(id,name), contact (id,name)

  B. SELECT lead(id, name), account(id, name), contact(id,name) FROM Lead, Account, Contact WHERE Name = 'Universal Containers'

  C. FIND 'Universal Containers' IN CompanyName Fields RETURNING lead(id,name), account (id,name), contact(id,name)

  D. SELECT Lead.id, Lead. Name, Account.id, Account.Name, Contact.Id, Contact. Name FROM Lead, Account, Contact WHERE CompanyName = 'Universal Containers'

  Correct Answer: A

• Question 7:

  A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

  A. 3

  B. 2

  C. 1

  D. 4

  Correct Answer: A

• Question 8:

  How would a developer determine if a CustomObject__c record has been manually shared with the current user in Apex?

  A. By querying the role hierarchy.

  B. By calling the isShared() method for the record.

  C. By querying CustomObject__Share.

  D. By calling the profile settings of the current user.

  Correct Answer: C

• Question 9:

  Which trigger event allows a developer to update fields in the Trigger.new list without using an additional DML statement?Choose 2 answers

  A. Before insert

  B. Before update

  C. After update

  D. After insert

  Correct Answer: AB

• Question 10:

  A developer needs to update an unrelated object when a record gets saved. Which two trigger types should the developer create?

  A. After insert

  B. After update

  C. Before update

  D. Before insert

  Correct Answer: CD