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Wireshark WCNA Exam - Topic 4 Question 20 Discussion

Actual exam question for Wireshark's WCNA exam

Question #: 20
Topic #: 4

[All WCNA Questions]

Which network problem may cause packet loss, queuing, or throttling of possible throughput maximums?

Asmaller packet sizes

Bminimum receive window sizes

Ccongestion along a network path

Dan overloaded TCP connection table

Show Suggested Answer

Suggested Answer: C

by Marlon at Nov 21, 2025, 07:39 PM

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Raylene

3 months ago

C is the best choice. It’s all about traffic management.

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Toshia

3 months ago

I feel like B could be a factor too, but not as much as C.

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Kimbery

3 months ago

C is definitely the main culprit. I've seen it in real scenarios.

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Kathrine

3 months ago

I’m leaning towards D. Overloaded connections can really slow things down.

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Claudia

4 months ago

Agreed, C makes sense. It affects everything.

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Vicki

4 months ago

Smaller packet sizes can help, but congestion is a bigger issue.

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Grover

4 months ago

Wait, are we sure about D? That seems a bit off.

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Mertie

5 months ago

C is the main culprit for packet loss, no doubt!

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Sherrell

5 months ago

I think B) minimum receive window sizes could also be a factor.

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Dong

5 months ago

I'm going with C. Congestion is the network problem that can cause all those issues.

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Janella

5 months ago

C is the way to go. Gotta watch out for that network congestion, am I right?

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Lynda

5 months ago

Haha, I bet the answer is D. An overloaded TCP connection table would really throttle things down.

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Shawna

5 months ago

Definitely C. Congestion is the biggest culprit for packet loss and throughput issues.

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Hildred

6 months ago

I feel like smaller packet sizes could lead to issues too, but congestion seems like the most obvious answer here.

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Noel

6 months ago

I’m a bit confused about minimum receive window sizes. Could they also contribute to throttling, or is that more about the amount of data being sent?

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Jesse

6 months ago

I remember practicing a question about TCP connections and how they can get overloaded, but I feel like congestion is more directly related to packet loss.

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Maryrose

6 months ago

I think congestion along a network path is definitely a major factor for packet loss, but I'm not entirely sure if it's the only one.

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Glenna

6 months ago

I'm a bit confused on this one. I was thinking it might be A - smaller packet sizes, but now I'm not so sure. Guess I'll have to think it through more carefully.

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Dierdre

6 months ago

I'm leaning towards B - minimum receive window sizes. That could limit the throughput and cause queuing, right? But C also makes sense to me.

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Dorothy

7 months ago

C) congestion along a network path seems like the correct answer here.

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Reid

7 months ago

Definitely C. Congestion is the main culprit when it comes to network performance problems like that. The other options don't seem as directly related.

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Lashanda

7 months ago

I think it's C. Congestion is a common issue.

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Garry

7 months ago

Definitely C) congestion along a network path.

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Keshia

8 months ago

Hmm, I'm not sure. Could it also be D - an overloaded TCP connection table? That might cause some of those issues too.

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Cyndy

8 months ago

I think the answer is C - congestion along a network path. That's the most likely cause of packet loss, queuing, and reduced throughput.

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Jolene

2 months ago

Smaller packets can help, but congestion is worse.

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Billi

2 months ago

C seems right to me too.

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Ria

3 months ago

Definitely! It affects everything.

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Marquetta

3 months ago

I agree, congestion is a big issue.

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Valentine

7 months ago

Overloaded connections can cause problems too, but C is the main culprit.

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