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Free DEX-450 Exam Braindumps (page: 4)

Page 3 of 115
PDF with 456 Questions

Which two platform features align to the Controller portion of MVC architecture? (Choose two.)

  1. Process Builder actions
  2. Workflow rules
  3. Standard objects
  4. Date fields

Answer(s): A,B



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.)

  1. Developer Sandbox
  2. Full Sandbox
  3. Developer Edition
  4. Partial Sandbox
  5. Developer Pro Sandbox

Answer(s): B,D



A developer working on a time management application wants to make total hours for each timecard available to application users. A timecard entry has a Master-Detail relationship to a timecard.

Which approach should the developer use to accomplish this declaratively?

  1. A Visualforce page that calculates the total number of hours for a timecard and displays it on the page
  2. A Roll-Up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard
  3. A Process Builder process that updates a field on the timecard when a timecard entry is created
  4. An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field

Answer(s): B



A developer encounters APEX heap limit errors in a trigger.
Which two methods should the developer use to avoid this error? (Choose two.)

  1. Use the transient keyword when declaring variables.
  2. Query and store fields from the related object in a collection when updating related objects.
  3. Remove or set collections to null after use.
  4. Use SOQL for loops instead of assigning large queries results to a single collection and looping through the collection.

Answer(s): A,D






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