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BCS CTFL4 Exam - Topic 4 Question 29 Discussion

Which of the following statements is true?
B) Non-functional testing includes testing of both technical and non-technical quality characteristics
A) Functional testing focuses on what the system should do while non-functional testing on the internal structure of the system
C) Testers who perform functional tests are generally expected to have more technical skills than testers who perform non-functional tests
D) The test techniques that can be used to design white-box tests are described in the ISO/IEC 25010 standard

BCS CTFL4 Exam - Topic 4 Question 29 Discussion

Actual exam question for BCS's CTFL4 exam
Question #: 29
Topic #: 4
[All CTFL4 Questions]

Which of the following statements is true?

Show Suggested Answer Hide Answer
Suggested Answer: B

Non-functional testing includes testing of both technical and non-technical quality characteristics. Non-functional testing is the process of testing the quality attributes of a system, such as performance, usability, security, reliability, etc. Non-functional testing can be applied at any test level and can use both black-box and white-box test techniques. Non-functional testing can cover both technical aspects, such as response time, throughput, resource consumption, etc., and non-technical aspects, such as user satisfaction, accessibility, compliance, etc. Therefore, option B is the correct answer.


by Vallie at Jul 04, 2025, 08:31 AM

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Floyd
9 months ago
I thought functional tests required more technical skills, but maybe not!
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Alex
9 months ago
B is spot on, non-functional testing covers a lot of ground.
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Geoffrey
10 months ago
I disagree with C, non-functional testers need skills too!
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Justine
10 months ago
Wait, ISO/IEC 25010 for white-box tests? That sounds off.
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Merissa
10 months ago
A is definitely true, functional testing is all about what the system does.
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Vernell
10 months ago
I don't think the ISO/IEC 25010 standard is specifically about white-box testing techniques; it seems more focused on quality characteristics instead.
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Ernie
10 months ago
I practiced a question similar to this, and I feel like functional testers usually need more technical skills, but I can't recall the exact details.
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Cyndy
11 months ago
I think non-functional testing does cover both technical and non-technical aspects, like performance and usability. That sounds right to me.
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Darrel
11 months ago
I remember functional testing is about what the system does, but I'm not sure if non-functional testing really focuses on internal structure.
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Vincenza
11 months ago
The wording of these options is tripping me up a bit. I'll need to take my time and really analyze each one to make sure I understand the nuances.
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Raul
11 months ago
Option B sounds like the most comprehensive answer, covering both technical and non-technical quality characteristics. I'll go with that unless I spot something that clearly contradicts it.
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Christene
11 months ago
Hmm, I'm a bit unsure about the distinction between functional and non-functional testing. I'll need to review my notes to refresh my memory on the definitions.
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Sherman
12 months ago
This question seems straightforward, I'll read through the options carefully and try to identify the key differences between functional and non-functional testing.
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Arlean
1 year ago
Haha, D is so far off. Automating with a GUI tool? That's not what these techniques are about at all!
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Hubert
1 year ago
A) Experience-based test techniques rely on the experience of testers to identify the root causes of defects found by black-box test techniques
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Franklyn
1 year ago
A sounds reasonable, but I'd go with C. Finding hidden defects is a key strength of experience-based testing.
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Joaquin
1 year ago
D is just plain wrong. Automating test cases is not the primary goal of experience-based techniques.
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Jesus
1 year ago
A) Experience-based test techniques rely on the experience of testers to identify the root causes of defects found by black-box test techniques
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Casandra
1 year ago
B seems off to me. Isn't the test basis for white-box testing things like code, data structures, and control flow?
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Viki
1 year ago
Yes, you are correct. White-box testing typically focuses on code, data structures, and control flow.
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Verda
1 year ago
C) Experience-based test techniques are often useful to detect hidden defects that have not been targeted by black-box test techniques
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Clorinda
1 year ago
A) Experience-based test techniques rely on the experience of testers to identify the root causes of defects found by black-box test techniques
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Aja
1 year ago
I agree with Crista, C seems like the correct answer.
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Crista
1 year ago
But experience-based techniques are good at finding hidden defects.
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Elise
1 year ago
I disagree, I believe the answer is C.
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Georgeanna
1 year ago
I think C is the correct answer. Experience-based techniques can uncover hidden defects that black-box testing may miss.
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Telma
1 year ago
I think A is the correct answer. Experience-based techniques rely on tester experience to identify root causes of defects.
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Margery
1 year ago
I agree, experience-based techniques are great for finding hidden defects.
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Crista
1 year ago
I think the answer is A.
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