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ISTQB Exam CT-PT Topic 3 Question 5 Discussion

Actual exam question for ISTQB's CT-PT exam
Question #: 5
Topic #: 3
[All CT-PT Questions]

You have run a load test. When examining the metrics, you see that the virtual users experienced many timeouts and excessive wait times. The system throughput metrics exceeded expected results, even during peak times.

Based on your analysis, what conclusion should you draw?

Show Suggested Answer Hide Answer
Suggested Answer: B

If timeouts and excessive wait times occur, but throughput is high, this suggests that the system is unable to process requests fast enough. This points to slow processing speed due to CPU bottlenecks, memory limitations, or inefficient database queries.

Option A (Network infrastructure investigation) would be relevant if throughput was low or variable.

Option C (Impatient virtual users) is irrelevant; virtual users follow scripted behaviors.

Option D (New test data) does not address the core issue.


Contribute your Thoughts:

Tarra
2 months ago
I'd go with the new test data option. Sometimes the data we use just doesn't reflect the real-world usage patterns. Gotta get some more realistic test scenarios in there.
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Annelle
2 months ago
B) Processing speed is too slow.
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Afton
2 months ago
A) Network infrastructure should be investigated.
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Fausto
2 months ago
I think new test data is needed to confirm the issue.
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Daren
3 months ago
I believe the virtual users are exhibiting impatient behavior.
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Veronique
3 months ago
But the throughput is higher than expected, so I'm thinking the processing speed is the issue. Maybe they need to upgrade those servers.
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Clarinda
21 days ago
C) Virtual users are exhibiting impatient behavior.
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Buddy
22 days ago
A) But the throughput is higher than expected, so I'm thinking the processing speed is the issue. Maybe they need to upgrade those servers.
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Earlean
24 days ago
B) Processing speed is too slow.
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Sonia
25 days ago
A) Network infrastructure should be investigated.
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Zack
28 days ago
C) Virtual users are exhibiting impatient behavior.
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Bernardine
1 months ago
A) I agree, we should look into the network infrastructure.
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Dahlia
2 months ago
B) Processing speed is too slow.
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Lenny
2 months ago
A) Network infrastructure should be investigated.
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Makeda
3 months ago
I agree with Rebeca, it seems like a network issue.
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Eun
3 months ago
Definitely network infrastructure. Those timeouts are a dead giveaway. I've seen this happen before when the network can't keep up with the load.
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Catrice
2 months ago
C) Virtual users are exhibiting impatient behavior.
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Annmarie
2 months ago
A) Definitely network infrastructure. Those timeouts are a dead giveaway.
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Olive
2 months ago
B) Processing speed is too slow.
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Ozell
3 months ago
A) Network infrastructure should be investigated.
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Rebeca
3 months ago
I think the network infrastructure should be investigated.
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