CompTIA Exam XK0-005 Topic 4 Question 37 Discussion

Actual exam question for CompTIA's XK0-005 exam

Question #: 37
Topic #: 4

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?

Adig @example.com 10.10.10.20 a

Bdig @10.10.10.20 example.com mx

Cdig @example.com 10.10.10.20 ptr

Ddig @10.10.10.20 example.com ns

Show Suggested 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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Karma

21 days 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

22 days 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

23 days ago

Digging for the MX record is the way to go here. B) is the obvious choice.

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Eleni

5 days ago

That makes sense, querying for the MX record is the right move.

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Jeniffer

9 days ago

I think the engineer should use option B) dig @10.10.10.20 example.com mx

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2 months ago

I think the engineer should use option B to query the DNS server for mail server information.

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