Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 11:

  A company wants a recruiting app that models candidates and interviews; displays the total number of interviews on each candidate record; and defines security on interview records that is independent from the security on candidate records. What would a developer do to accomplish this task? Choose 2 answers

  A. Create a roll -up summary field on the Candidate object that counts Interview records.
  B. Create a master -detail relationship between the Candidate and Interview objects.
  C. Create a lookup relationship between the Candidate and Interview objects.
  D. Create a trigger on the Interview object that updates a field on the Candidate object.
  C. Create a lookup relationship between the Candidate and Interview objects.
  D. Create a trigger on the Interview object that updates a field on the Candidate object.

• Question 12:

  Which statement about change set deployments is accurate? (Choose 3)

  A. They use an all or none deployment model.
  B. They require a deployment connection.
  C. They ca be used to transfer Contact records.
  D. They can be used to deploy custom settings data.
  E. They can be used only between related organizations.
  A. They use an all or none deployment model.
  B. They require a deployment connection.
  E. They can be used only between related organizations.

• Question 13:

  A developer tasked with creating a schema to track Movies, Actors, and contracts. A single movie can have many contracts and a single actor can have many contracts. Each contract is owned and actively managed by a single user. Which schema should be created to enable user to easily manage the contract they own; without requiring access to the movie or the actor records?

  A. A master detail relationship to the movie object and a lookup relationship to the actor object
  B. A lookup relationship to the movie object and a lookup relationship to the actor object
  C. A lookup relationship to the movie object and a master detail relationship to the actor object
  D. A master detail relationship to the movie object and a master detail relationship to the actor object
  B. A lookup relationship to the movie object and a lookup relationship to the actor object

• Question 14:

  A developer needs to confirm that a Contact trigger works correctly without changing the organization's data. what should the developer do to test the Contact trigger?

  A. Use the New button on the Salesforce Contacts Tab to create a new Contact record.
  B. Use the Open execute Anonymous feature on the Developer Console to run an 'insert Contact' DML statement
  C. Use Deploy from the VSCode IDE to display an 'insert Contact' Apex class.
  D. Use the Test menu on the Developer Console to run all test classes for the Contact trigger
  D. Use the Test menu on the Developer Console to run all test classes for the Contact trigger

• Question 15:

  Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own. What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?

  A. Use the schema describe calls to determine if the logged-in users has access to the Account object.
  B. Use the without sharing keyword on the class declaration.
  C. Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.
  D. Use the with sharing keyword on the class declaration.
  A. Use the schema describe calls to determine if the logged-in users has access to the Account object.

• Question 16:

  A company has a custom object named Region. Each account in salesforce can only be related to one region at a time, but this relationship is optional. Which type of relantionship should a developer use to relate an account to a region?

  A. Parent-child
  B. Master-detail
  C. Hierarchical
  D. Lookup
  B. Master-detail

• Question 17:

  What are the eight officially supported languages on Heroku platform?

  A. Node,Ruby,java,PHP,Python,.Net,C++.
  B. C#,C++,Node,Ruby,Java,PHP,Go,.Net.
  C. Lisp,PHP,Node,Ruby,Scala,Haskell,Go,Erlang.
  D. Node,Ruby java,PHP,Python,Go,Scala,Clojure.
  D. Node,Ruby java,PHP,Python,Go,Scala,Clojure.

• Question 18:

  What is a capability of the Developer Console?

  A. Execute Anonymous Apex code, Create/Edit code, view Debug Logs.
  B. Execute Anonymous Apex code, Run REST API, create/Edit code.
  C. Execute Anonymous Apex code, Create/Edit code, Deploy code changes.
  D. Execute Anonymous Apex code, Run REST API, deploy code changes.
  A. Execute Anonymous Apex code, Create/Edit code, view Debug Logs.

• Question 19:

  A Platform Developer needs to write an Apex method that will only perform an action if a record is assigned to a specific Record Type. Which two options allow the developer to dynamically determine the ID of the required Record Type by its name? (Choose two.)

  A. Make an outbound web services call to the SOAP API.
  B. Hardcode the ID as a constant in an Apex class.
  C. Use the getRecordTypeInfosByName() method in the DescribeSObjectResult class.
  D. Execute a SOQL query on the RecordType object.
  C. Use the getRecordTypeInfosByName() method in the DescribeSObjectResult class.
  D. Execute a SOQL query on the RecordType object.

• Question 20:

  Which code segment can be used to control when the dowork() method is called?

  A. For (Trigger.isRunning t: Trigger.new) { dowork(); }
  B. If(Trigger.isRunning) dowork();
  C. For (Trigger.isInsert t: Trigger.new) { dowork(); }
  D. If(Trigger.isInsert) dowork();
  D. If(Trigger.isInsert) dowork();