Exam CTFL-2018 topic 1 question 20 discussion

Actual exam question from ISTQB's CTFL-2018

Question #: 20
Topic #: 1

[All CTFL-2018 Questions]

Which of the following is a key difference between black box and white box test design techniques?

A. Black box techniques use software code to derive test cases, white box techniques do not.
B. White box techniques use functional design specifications to derive test cases, black box techniques do not.
C. White box techniques can measure the extent of code coverage, black box techniques can not.
D. White box techniques derive test cases from models of the software, black box techniques do not.

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Suggested Answer: C 🗳️

by bhuppii at June 8, 2023, 7:59 a.m.

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xrpuser

4 months, 3 weeks ago

This information is found on Page 55 of the syllabus. So, the key difference that BEST describes the distinction between black-box and white-box test design techniques is: C. White box techniques can measure the extent of code coverage, black box techniques cannot.

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