Free DEX-450 Exam Braindumps
Programmatic Development using Apex and Visualforce in Lightning Experience Questions 221–225 (page: 46)

Updated On: 10-Feb-2026

What are three ways for a developer to execute tests in an org? Choose 3.

  1. Bulk API
  2. ToolingAPI
  3. Metadata API
  4. Setup Menu
  5. Developer Console

Answer(s): B,C,D



A developer created a helper class with a method that can be called from Visualforce pages, web services, triggers, and of even anonymous code. When the method is called from a trigger, the developer needs to execute logic that should not be executed If the method Is called from anywhere else. How can the developer determine if the code Is executed in a trigger context?

  1. Check if System.executionContext =='Trigger'.
  2. Use the executeOnTrigger annotation on the method definition.
  3. Check if Trigger.isExecuting ==true
  4. Check if Trigger.newMap !=null.

Answer(s): C



Which collection type provides unique key/value pairings of data?

  1. Map
  2. List
  3. Array
  4. Set

Answer(s): A



What can a developer use to determine if the core Apex code exceeds any governor limits in a test class during bulk execution?

  1. Limits, startTest, stopTest
  2. Test.getDmlStatements()
  3. @TestSetup.
  4. @TestVisible

Answer(s): A



What are two features of Heroku Connect? Choose 2 answers

  1. Displaying data from an external data store via External Objects.
  2. Real Time Sync between Salesforce and Postgres
  3. Bidirectional syncs, allowing data to be written into Salesforce
  4. Near Real Time Sync between Heroku Postgres and Salesforce

Answer(s): C,D



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