Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 411:

  Which three declarative fields are correctly mapped to variable types in Apex? (Choose three.)

  A. Number maps to Decimal.
  B. Number maps to Integer.
  C. TextArea maps to List of type String.
  D. Date/Time maps to Dateline.
  E. Checkbox maps to Boolean.
  A. Number maps to Decimal.
  D. Date/Time maps to Dateline.
  E. Checkbox maps to Boolean.

• Question 412:

  Where would a developer build a managed package?

  A. Developer Sandbox
  B. Unlimited Edition
  C. Partial Copy Sandbox
  D. Developer Edition
  D. Developer Edition

• Question 413:

  What are two features of Heroku Connect? Choose 2 answers

  A. Displaying data from an external data store via External Objects.
  B. Real Time Sync between Salesforce and Postgres
  C. Bidirectional syncs, allowing data to be written into Salesforce
  D. Near Real Time Sync between Heroku Postgres and Salesforce
  C. Bidirectional syncs, allowing data to be written into Salesforce
  D. Near Real Time Sync between Heroku Postgres and Salesforce

• Question 414:

  Which two queries can a developer use in a visualforce controller to protect against SOQL injection Vulnerabilities? Choose 2 answers

  A. String qryName = '%' + String.enforceSecurityChecks(name)+ '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
  B. String qryName = '%' + name '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
  C. String qryName = '%' + String.escpaeSingleQuotes(name)+ '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
  D. String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
  A. String qryName = '%' + String.enforceSecurityChecks(name)+ '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
  D. String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);

• Question 415:

  What should a developer use to implement an automatic Approval Process submission for Cases?

  A. An Assignment Rule
  B. Scheduled Apex
  C. Process Builder
  D. A Workflow Rule
  C. Process Builder

• Question 416:

  A developer needs to test an Invoicing system integration. After reviewing the number of transactions required for the test, the developer estimates that the test data will total about 2 GB of data storage. Production data is not required for the integration testing.

  Which two environments meet the requirements for testing? (Choose two.)

  A. Developer Sandbox
  B. Full Sandbox
  C. Developer Edition
  D. Partial Sandbox
  E. Developer Pro Sandbox
  B. Full Sandbox
  D. Partial Sandbox

• Question 417:

  What is a benefit of the Lightning Component framework?Choose 3 answers

  A. It uses client-side Apex controllers for logic.
  B. It uses a traditional publish-subscribe model.
  C. It uses an event-driven architecture
  D. It uses an MVC architectural design pattern.
  E. It uses server-side JavaScript controller for logic.
  B. It uses a traditional publish-subscribe model.
  C. It uses an event-driven architecture
  D. It uses an MVC architectural design pattern.

• Question 418:

  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
  A. 100

• Question 419:

  What features are available when writing apex test classes?(Choose 2 Answers) A. The ability to select error types to ignore in the developer console.

  B. The ability to write assertions to test after a @future method.
  C. The ability to set and modify the CreatedDate field in apex tests.
  D. The ability to set breakpoints to freeze the execution at a given point.
  E. The ability to select testing data using csv files stored in the system.
  C. The ability to set and modify the CreatedDate field in apex tests.
  E. The ability to select testing data using csv files stored in the system.

• Question 420:

  Which standard field is required when creating a new contact record?

  A. LastName
  B. Name
  C. AccountId
  D. FirstName
  A. LastName