Istqb Certified Tester Foundation Level CTFL · Free Practice Question Easy

Question 54

You are testing a system that accepts user ages as input. The valid age range is from 18 to 99. Which of the following sets of test values represents the most appropriate BVA for this scenario?

  • A

    18, 19, 98, 99, 100

  • B

    19, 20, 21, 97, 96, 99

  • C

    18, 18.5, 19, 98.5, 99, 99.5

  • D

    18, 20, 98, 100

Reveal correct answer

Correct answer: A

Explanation

Boundary Value Analysis (BVA) focuses on testing the boundaries of input ranges. For the valid age range of 18 to 99, the most appropriate test values are:

  • 18: The lower boundary value.

  • 19: Just above the lower boundary.

  • 98: Just below the upper boundary.

  • 99: The upper boundary value.

  • 100: Just above the upper boundary.

Discussion

Think the marked answer is wrong, or have a better explanation? Share it below — comments appear after review.

You must be logged in to post a comment.

Preparing For

Your Certification?

255+ certifications
Detailed explanations
Free PDF samples

Has All The Questions You Need