To answer this question, let's go through each option:
Option A) True - This option is correct. Once a test case fails, the tester should link the defect associated with the test case. This allows for better tracking and management of the defects found during testing.
Option B) False - This option is incorrect. The correct answer is A) True.
The correct answer is A) True. This option is correct because it states that once the status of the test case is failed, the tester has to link the defect associated with the test case.