ISTQB CTFL-Foundation Exam - Topic 2 Question 53 Discussion

Actual exam question for ISTQB's CTFL-Foundation exam

Question #: 53
Topic #: 2

Which of the following statements BEST describes one of the seven key principles of software testing?

AAutomated tests are better than manual tests for avoiding the Exhaustive Testing.

BExhaustive testing is, with sufficient effort and tool support, feasible for all software.

CIt is normally impossible to test all input / output combinations for a software system.

DThe purpose of testing is to demonstrate the absence of defects. The purpose of testing is to demonstrate the absence of defects.

Show Suggested Answer

Suggested Answer: C

One of the seven key principles of software testing is that exhaustive testing is impossible. This principle highlights the impracticality of testing all possible input and output combinations due to the vast number of permutations. Instead, risk-based and prioritized testing approaches should be used to focus on the most critical areas. This principle is fundamental in the ISTQB CTFL Syllabus, emphasizing the importance of efficient test strategy over attempting exhaustive testing.

by Theola at May 29, 2026, 03:18 PM

Limited Time Offer

25%

Off

Get Premium CTFL-Foundation Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Currently there are no comments in this discussion, be the first to comment!