Multiple choice technology testing

Which of the following is NOT a Testing Model?

  1. V model

  2. Agile model

  3. X model

  4. Waterfall model

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

V model, Agile model, and Waterfall model are well-known software development/testing models. The 'X model' is not a recognized testing or development model in standard software engineering literature. This appears to be a fabricated option to test fundamental knowledge of testing models.