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BCS CTFL4 Exam - Topic 2 Question 34 Discussion

A system has a self-diagnostics module that starts executing after the system is reset. The diagnostics are running 12 different tests on the systems memory hardware. The following is one of the requirements set for the diagnostics module:'The time taking the diagnostics tests to execute shall be less than 2 seconds' Which of the following is a failure related to the specified requirement?
B) The diagnostic tests take too much time to execute
A) The diagnostic tests fail to start after a system reset
C) The diagnostic tests that measure the speed of the memory, fail
D) The diagnostic tests fail due to incorrect implementation of the test code

BCS CTFL4 Exam - Topic 2 Question 34 Discussion

Actual exam question for BCS's CTFL4 exam
Question #: 34
Topic #: 2
[All CTFL4 Questions]

A system has a self-diagnostics module that starts executing after the system is reset. The diagnostics are running 12 different tests on the systems memory hardware. The following is one of the requirements set for the diagnostics module:

'The time taking the diagnostics tests to execute shall be less than 2 seconds' Which of the following is a failure related to the specified requirement?

Show Suggested Answer Hide Answer
Suggested Answer: B

A failure is an event in which a component or system does not perform a required function within specified limits1.A requirement is a condition or capability needed by a user to solve a problem or achieve an objective2. In this case, the requirement is that the diagnostics tests should execute in less than 2 seconds. Therefore, any event that violates this requirement is a failure. The only option that clearly violates this requirement is B. The diagnostic tests take too much time to execute. If the diagnostic tests take more than 2 seconds to complete, then they do not meet the specified limit and thus fail. The other options are not necessarily failures related to the specified requirement. Option A. The diagnostic tests fail to start after a system reset is a failure, but not related to the time limit. It is related to the functionality of the self-diagnostics module. Option C. The diagnostic tests that measure the speed of the memory, fail is also a failure, but not related to the time limit. It is related to the accuracy of the memory tests. Option D. The diagnostic tests fail due to incorrect implementation of the test code is also a failure, but not related to the time limit. It is related to the quality of the test code.Reference=ISTQB Certified Tester Foundation Level Syllabus v4.0,Requirements Engineering Fundamentals.


by Dorothy at Nov 02, 2025, 05:27 AM

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Corrina
6 months ago
D could also be a failure. If the code is wrong, nothing will work right.
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Pearlene
6 months ago
I’m leaning towards A. If tests don’t start, that’s a major issue too.
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Tamala
6 months ago
Agreed, B is definitely a failure. Time is crucial for diagnostics.
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Dewitt
7 months ago
Not sure about D, could be a coding issue but not a direct time fail.
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Belen
7 months ago
A is also a failure, no tests = no diagnostics.
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Destiny
7 months ago
Wait, can tests really run in under 2 seconds? Sounds tight!
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Dawne
8 months ago
Agree, if it’s over 2 seconds, it’s a fail.
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Angella
8 months ago
B is definitely a failure, takes too long!
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Yolando
8 months ago
Haha, imagine if the diagnostic tests were so fast they finished in 0.5 seconds. Talk about overachieving!
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Leontine
8 months ago
B) The diagnostic tests take too much time to execute. Ain't nobody got time for that! 2 seconds or bust.
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Dorethea
8 months ago
A) The diagnostic tests fail to start after a system reset. Hmm, what's the point of having them if they don't even run?
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Ettie
8 months ago
D) The diagnostic tests fail due to incorrect implementation of the test code. Rookie mistake, should've tested that more thoroughly.
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Gretchen
9 months ago
C) The diagnostic tests that measure the speed of the memory, fail. Gotta make sure that memory is up to par, am I right?
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Elenor
9 months ago
B) The diagnostic tests take too much time to execute. That's clearly the failure related to the specified requirement.
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Rory
9 months ago
I’m a bit confused about option D; if the tests fail due to implementation issues, wouldn’t that also mean they can't complete in the required time?
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Jennie
9 months ago
I remember a practice question where timing was crucial, and it seems like any test that takes too long would be a failure, so B makes sense.
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Mireya
9 months ago
I'm not entirely sure, but I feel like option A could also be a failure because if the tests don't start, they can't meet the time requirement at all.
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Princess
10 months ago
I think B is the clear failure. Tests over 2 seconds? That's a problem.
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Mollie
10 months ago
C) The diagnostic tests that measure the speed of the memory, fail. Slow memory? That's a big oof.
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Kimberely
10 months ago
I think option B is definitely a failure since it directly mentions the execution time exceeding 2 seconds.
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Leandro
10 months ago
I'm a bit unsure between B and C. The question is asking about a failure, and C mentions the memory speed tests failing, which could potentially cause the overall execution time to exceed the 2-second requirement. I'll need to think about this a bit more.
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Natalya
11 months ago
I'm pretty confident that B is the right answer. The question is specifically asking about a failure related to the time requirement, and option B directly addresses that by saying the tests take too much time to execute.
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Paris
11 months ago
Okay, let me break this down. The requirement is about the time it takes to execute the tests, not whether the tests themselves pass or fail. So I'd say option B is the correct answer here - if the tests take too much time, that would be a failure of the specified requirement.
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Louvenia
11 months ago
Hmm, I'm a bit confused. The question is asking about a failure related to the requirement, but option A about the tests failing to start doesn't seem to directly address the time requirement. I'll need to think this through more carefully.
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Trinidad
11 months ago
I think the key here is to focus on the requirement that the diagnostics tests must execute in less than 2 seconds. So option B seems like the most obvious failure related to that.
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Jolene
5 months ago
True, but B is more directly related to the time requirement.
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Jeniffer
6 months ago
What about option A? If they don’t start, that’s an issue too.
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Man
6 months ago
Exactly! The timing is crucial for diagnostics.
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Carolynn
6 months ago
Yeah, if it takes longer than 2 seconds, it’s a problem.
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Marya
9 months ago
I agree, option B is definitely a failure.
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