PK0-004 Question #931: Real Exam Question with Answer & Explanation

The correct answer is D: a regression plan.. Regression testing (or a regression plan) verifies that a change has not broken or degraded existing functionality that was previously working. It is the most targeted response when you are specifically concerned about a change damaging key functionality. A quality control check

Question

A project manager is concerned that a planned change might damage the key functionality of a major system. The MOST important activity to perform is:

Options

Aa quality control check.
Ban in-depth impact evaluation.
Csoftware version control.
Da regression plan.

Explanation

Regression testing (or a regression plan) verifies that a change has not broken or degraded existing functionality that was previously working. It is the most targeted response when you are specifically concerned about a change damaging key functionality. A quality control check (A) is broader and less focused on change impact. An impact evaluation (B) is valuable but comes before testing. Software version control (C) manages code history but does not validate functional integrity after a change.

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