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Free CRT-450 Exam Braindumps
Certified Platform Developer Questions 136–140 (page: 29)

Updated On: 10-Feb-2026
Page 29 of 77
PDF with 439 Questions

In the code below, what type does Boolean inherit from?
Boolean b= true;

  1. Enum
  2. Object
  3. String
  4. Class

Answer(s): B



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

  1. Create a roll -up summary field on the Candidate object that counts Interview records.
  2. Create a master -detail relationship between the Candidate and Interview objects.
  3. Create a lookup relationship between the Candidate and Interview objects.
  4. Create a trigger on the Interview object that updates a field on the Candidate object.

Answer(s): C,D



What can used to delete components from production?

  1. A change set deployment with the delete option checked
  2. An ant migration tool deployment with destructivechanges xml file and the components to delete in the package .xml file
  3. A change set deployment with a destructivechanges XML file
  4. An ant migration tool deployment with a destructivechanges XML file and an empty package .xml file

Answer(s): D



An org has different Apex Classes that provide Account -related functionality.After a new validation rule is added to the object, many of the test methods fail.What can be done to resolve the failures and reduce the number of code changes needed for future validation rules?Choose 2 answers:

  1. Create a method that creates valid Account records, and call this method from within test methods.
  2. Create a method that loads valid Account records from a Static Resource, and call this method within test methods.
  3. Create a method that performs a callout for a valid Account record, and call this method from within test methods.
  4. Create a method that queries for valid Account records, and call this method from within test methods.

Answer(s): A,B



A developer creates a new Visualforce page and Apex extension, and writes test classes that exercise 95% coverage of the new Apex extension.Change set deployment to production fails with the test coverage warning: "Average test coverage across all Apex classes and triggers is 74%, at least 75% test coverage is required."What can the developer do to successfully deploy the new Visualforce page and extension?

  1. Create test classes to exercise the Visualforce page markup.
  2. Select "Disable Parallel Apex Testing" to run all the tests.
  3. Add test methods to existing test classes from previous deployments.
  4. Select "Fast Deployment'' to bypass running all the tests.

Answer(s): C



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