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CompTIA XK0-005 Exam - Topic 4 Question 37 Discussion

Actual exam question for CompTIA's XK0-005 exam
Question #: 37
Topic #: 4
[All XK0-005 Questions]

A Linux engineer set up two local DNS servers (10.10.10.10 and 10.10.10.20) and was testing email connectivity to the local mail server using the mail command on a local machine when the following error appeared:

The local machine DNS settings are:

Which of the following commands could the engineer use to query the DNS server to get mail server information?

Show Suggested Answer Hide Answer
Suggested Answer: B

Thedocker logscommand is used to fetch the logs of a container.If the error output is not showing for a running container, thedocker logscommand can be used to view these details56.

Reference: 5(https://www.docker.com/blog/how-to-fix-and-debug-docker-containers-like-a-superhero/) 6(https://stackoverflow.com/questions/33083385/getting-console-output-from-a-docker-container)


by Curt at Aug 23, 2024, 06:36 AM

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Caprice
3 months ago
No way, I thought D was the way to go for nameservers!
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Fernanda
3 months ago
Wait, can you really query with example.com like that?
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Lucy
3 months ago
I thought you could just use A for any query?
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Paz
4 months ago
Definitely B, that's the right syntax for MX records!
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Jerrod
4 months ago
You need to use the correct DNS server IP.
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Ulysses
4 months ago
I recall that MX records are crucial for email, so I would lean towards option B, but I hope I’m not mixing it up with another question we did.
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Suzi
4 months ago
I’m a bit confused about the use of `@example.com` in options A and C. I thought we needed to specify the DNS server IP instead.
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Ashleigh
4 months ago
I think option B looks familiar since it specifies the MX record, which is what we need for mail servers.
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Vanna
5 months ago
I remember we practiced using the `dig` command, but I'm not sure if the syntax is right for querying the mail server specifically.
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Desmond
5 months ago
The key here is to use the dig command to query the specific DNS server at 10.10.10.20 for the relevant information about the mail server. Option B seems like the best choice.
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Sherrell
5 months ago
I think option B looks promising - using the dig command to query the 10.10.10.20 DNS server for the MX (mail exchange) records of the example.com domain.
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Ayesha
5 months ago
Okay, let's see here. The error message mentions the mail server, so I'm guessing I'll need to use a command to query the DNS server for mail server information.
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Olen
5 months ago
Hmm, this looks like a tricky DNS issue. I'll need to carefully review the information provided and think through the best approach.
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Jenifer
5 months ago
I'm a bit confused by the different IP addresses and server names mentioned. I'll need to make sure I understand the network setup before deciding on the right command to use.
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Sheridan
5 months ago
I think the status for failed tests is "Failure," but I'm not entirely sure.
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Cherrie
5 months ago
I vaguely remember the priority range, I think it might be between 1-128 based on similar questions we practiced.
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Karma
9 months ago
I bet the engineer is wishing they had a magic 8-ball to help them figure this one out. But B) is the way to go.
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In
9 months ago
Hmm, I wonder if the engineer tried turning the DNS servers off and on again? That's the first step in any IT troubleshooting, right?
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Lynda
9 months ago
Digging for the MX record is the way to go here. B) is the obvious choice.
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Hyun
8 months ago
The engineer should definitely go with option B) to query the DNS server for the mail server details.
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Robt
9 months ago
Agreed, option B) is the best choice to get the mail server information.
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Eleni
9 months ago
That makes sense, querying for the MX record is the right move.
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Jeniffer
9 months ago
I think the engineer should use option B) dig @10.10.10.20 example.com mx
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Rashida
10 months ago
The error message indicates a DNS issue, so we need to query the DNS server to get the mail server information. The correct answer is B) dig @10.10.10.20 example.com mx.
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Felix
9 months ago
Yes, using dig @10.10.10.20 example.com mx should provide the necessary information about the mail server.
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Tracey
10 months ago
That makes sense. Option B seems like the correct command to use in this situation.
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Laticia
10 months ago
I think the engineer should use option B) dig @10.10.10.20 example.com mx to query the DNS server for mail server information.
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Scarlet
10 months ago
I'm not sure, but I think option B makes sense because it specifies the DNS server and the type of record to query for.
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Eulah
11 months ago
I agree with Rusty, option B seems like the correct command to use in this situation.
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Rusty
11 months ago
I think the engineer should use option B to query the DNS server for mail server information.
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