Cisco 300-215 Exam - Topic 3 Question 99 Discussion

Actual exam question for Cisco's 300-215 exam

Question #: 99
Topic #: 3

An ''unknown error code'' is appearing on an ESXi host during authentication. An engineer checks the authentication logs but is unable to identify the issue. Analysis of the vCenter agent logs shows no connectivity errors. What is the next log file the engineer should check to continue troubleshooting this error?

A/var/log/syslog.log

B/var/log/vmksummary.log

Cvar/log/shell.log

Dvar/log/general/log

Show Suggested Answer

Suggested Answer: A

by Annmarie at Jun 10, 2025, 11:47 AM

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Hubert

3 months ago

I’ve had success with /var/log/shell.log in similar situations.

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Malcolm

3 months ago

Not sure, I thought /var/log/vmksummary.log would be better for this.

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Desire

3 months ago

Definitely agree, that log usually has useful info!

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Lavera

4 months ago

Wait, is /var/log/general/log even a real file? Sounds off.

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Slyvia

4 months ago

I think checking /var/log/syslog.log is a good next step.

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Heike

4 months ago

I don't think the general/log file is the right one; it seems too vague for this specific issue.

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Tamar

4 months ago

I feel like the shell.log could have some relevant information, but I don't know if it's the best choice for authentication errors.

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Verdell

5 months ago

I remember practicing a similar question where we had to look at the vmksummary.log for issues, but I can't recall if it applies here.

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Elenor

5 months ago

I think we might need to check the syslog for more details, but I'm not entirely sure if that's the right one.

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Lizette

5 months ago

I feel pretty confident about this one. The question mentions that the authentication logs and vCenter agent logs didn't reveal the issue, so the next logical step would be to check the /var/log/syslog.log file. That's where you'll find a lot of the core system logs for the ESXi host, which should help us identify the root cause of the "unknown error code" during authentication.

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Bettyann

5 months ago

Based on my experience, the /var/log/vmksummary.log file is a good place to check when you're troubleshooting issues with an ESXi host. It contains a lot of useful information about the host's overall health and performance, so it might give us some clues about what's causing the authentication problem.

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Mickie

5 months ago

I'm a bit confused here. The question mentions an "unknown error code" on the ESXi host, but it's not clear what the actual issue is. I'm not sure which log file would be the best place to start looking for more information.

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Kathryn

5 months ago

Okay, let's see. The question says the authentication logs didn't reveal the problem, and the vCenter agent logs showed no connectivity errors. That narrows it down a bit. I'm thinking the /var/log/syslog.log file might be the next place to check.

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Omer

6 months ago

Hmm, this seems like a tricky one. I'll need to think carefully about the different log files and what information they might contain to help troubleshoot this issue.

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