ASTQB CTFL Exam - Topic 4 Question 95 Discussion

Actual exam question for ASTQB's CTFL exam

Question #: 95
Topic #: 4

[All CTFL Questions]

A deviation from the specified or expected behavior that is visible to end-users is called:

Ca failure

Aan error

Ba fault

Da defect

Show Suggested Answer

Suggested Answer: C

by Eun at Jan 26, 2026, 09:15 AM

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Cecilia

20 days ago

True, but I lean towards "bug." It's more common in discussions.

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Micaela

26 days ago

I agree, but it could also be a glitch. Both are visible.

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Francine

1 month ago

Yeah, definitely a bug. Users notice it right away.

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Arletta

1 month ago

I think it's called a bug. It disrupts user experience.

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Cheryll

3 months ago

Sounds right, but I thought it was just a bug.

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Lajuana

3 months ago

Yup, I've seen it referred to as a usability issue too.

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Tess

3 months ago

Wait, is that really the official term?

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Lavina

3 months ago

Totally agree, that's a common term in QA.

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Arlette

3 months ago

It's called a user-visible defect.

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Curtis

4 months ago

A deviation from expected behavior? Sounds like a feature to me. The devs are just being creative.

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Malcom

4 months ago

I call it a "surprise mechanic." Keeps things interesting, am I right?

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Dulce

4 months ago

Hmm, I'd say it's a feature, not a bug. Keeps the users on their toes!

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Fallon

4 months ago

I think it's a glitch. That's what we always call it in my office.

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Jannette

4 months ago

The correct answer is a bug.

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Jamika

4 months ago

I’m pretty confident it’s "user-visible defect," but I need to double-check my notes on that.

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Elroy

5 months ago

I feel like it might be "defect," but I could be mixing it up with another term we covered.

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Hillary

5 months ago

I remember practicing a question like this, and I think the answer was "anomaly" or something similar.

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Alishia

6 months ago

I think it's called a "bug," but I’m not entirely sure if that’s the right term for this specific situation.

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Sue

6 months ago

I'm a bit confused by the wording here. Let me re-read it carefully and make sure I understand what they're looking for in the answer.

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Mel

6 months ago

This seems straightforward. I'll define the term they're asking for and give a concise explanation.

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Jose

6 months ago

Okay, I know this is about some kind of software problem that affects the end-user experience. I'll focus my answer on describing that clearly.

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Ezekiel

6 months ago

Hmm, not sure about this one. I'll need to think through the different types of software issues that users might encounter.

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William

6 months ago

I think this is asking for the definition of a software bug or defect. I'll try to explain that in my answer.

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Nikita

5 days ago

Agreed, it's all about unexpected behavior!

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Lynelle

10 days ago

Definitely a defect in the system.

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Bettina

15 days ago

Sounds like a software bug to me.

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