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CompTIA Exam XK0-005 Topic 3 Question 26 Discussion

Actual exam question for CompTIA's XK0-005 exam
Question #: 26
Topic #: 3
[All XK0-005 Questions]

Users are experiencing high latency when accessing a web application served by a Linux machine. A systems administrator checks the network interface counters and sees the following:

Which of the following is the most probable cause of the observed latency?

Show Suggested Answer Hide Answer
Suggested Answer: B

The high number of errors and dropped packets in the output of the network interface counters indicate a connection problem on the network interface.


CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 10: Managing Networking, Section: Troubleshooting Network Issues, Page 359.

Linux+ (Plus) Certification, Exam Objectives: 4.3 Given a scenario, troubleshoot and resolve basic network configuration and connectivity issues.

by Ettie at Apr 11, 2024, 12:55 PM

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Laurel
11 months ago
I think the latency could be due to the gateway being unreachable, causing delays in communication.
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Dahlia
12 months ago
I believe if no IP address is assigned to the interface, that could be the main reason for the observed latency.
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Lanie
12 months ago
But what if there is a connection problem on the network interface? That could also cause latency, right?
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Malissa
12 months ago
I agree with as the network interface being disconnected can lead to latency issues.
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Miss
1 years ago
I think the most probable cause is that the network interface is disconnected.
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Roslyn
1 years ago
I don't think so, if the gateway was unreachable, we would see errors related to routing, not just on the network interface.
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Darci
1 years ago
Could it also be because the gateway is unreachable?
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Chantay
1 years ago
I agree, the network interface counters show errors and dropped packets which indicate a connection issue.
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Aleisha
1 years ago
I think the high latency might be due to a connection problem on the network interface.
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Lucy
1 years ago
That makes sense. High latency could definitely be caused by a connection issue.
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Katina
1 years ago
I think it's option B) A connection problem exists on the network interface.
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Jacquelyne
1 years ago
Haha, yeah, the old 'blame the hardware' trick. Classic IT exam question. But in this case, I think you guys are right - B is the most likely culprit. Though I have to say, if I was the sysadmin, I'd be double-checking all the cables and switch ports first before jumping to any conclusions.
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Leanna
1 years ago
Hmm, good point. The gateway being unreachable could definitely be a factor. But I still think the connection problem is the most likely explanation. It's like the network interface is trying to play traffic cop, but just can't keep up with all the cars (or packets) trying to get through.
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Gregoria
1 years ago
I agree with you both. D - the gateway being unreachable - is also a possibility, but the network interface stats point more towards a local connection problem. Though I have to admit, I'm a little surprised they didn't include an option about high CPU or memory usage on the server. That can also cause latency, you know.
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Joye
1 years ago
A: Definitely worth considering both possibilities.
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Edda
1 years ago
C: Agreed, but also could be the gateway issue.
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Valentin
1 years ago
B: Yes, that seems more likely based on the stats.
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Novella
1 years ago
A: I think it might be a connection problem.
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Zack
1 years ago
D: The gateway is unreachable.
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Wenona
1 years ago
C: No IP address is assigned to the interface.
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Stacey
1 years ago
B: A connection problem exists on the network interface.
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Fernanda
1 years ago
A: The network interface is disconnected.
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Von
1 years ago
I don't know, guys. What if the gateway is just MIA? Option D seems plausible to me. I mean, if the gateway's not responding, that could definitely cause some major latency issues.
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Tarra
1 years ago
You know, I was just thinking the same thing. The RX errors and collisions are a dead giveaway that there's something wrong with the network connection. It's probably not a disconnect or IP address issue, since those would show different metrics.
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Adria
1 years ago
Hmm, this is a tricky one. The high latency could be due to a few different issues, but I'm leaning towards B - a connection problem on the network interface. Those counter values seem to indicate some kind of network congestion or errors.
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Lenna
1 years ago
Yeah, the collision count is definitely interesting. Maybe the network interface is just a bit too crowded, like a busy highway during rush hour. But I still think option B is the best answer based on the information provided.
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Rossana
1 years ago
Collisions, huh? Sounds like this network interface is having a bit of a 'collision course' with high latency! (chuckles) But in all seriousness, I think you two are on the right track. Connection problem seems like the most likely culprit here.
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Chauncey
1 years ago
I agree with you, option B seems like the way to go. Although, I'm a bit curious about the high amount of collisions. That could also be a clue to the issue.
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Melvin
1 years ago
Hmm, this question seems straightforward enough. I'm leaning towards option B as the most probable cause. The high number of errors and dropped packets suggests some kind of connection problem on the network interface.
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