CompTIA Exam XK0-005 Topic 2 Question 32 Discussion

Actual exam question for CompTIA's XK0-005 exam

Question #: 32
Topic #: 2

An operations engineer is planning to start a container running a PostgreSQL database. The engineer wants the container to start automatically at system startup, mount the /home/db directory as /var/lib/postgresql inside the container, and expose port 5432 to the OS. Which of the following commands should the engineer run to achieve this task?

Adocker run -d --restart always -p 5432:5432 -v /home/db:/var/lib/postgresql postgresql:12

Bdocker run -d --restart -p 5432:5432 --volume /var/lib/postgresql:/home/db postgresql:12

Cdocker run -d --attach --platform 5432:5432 --volume /home/db:/var/lib/postgresql postgresql:12

Ddocker run -d --init --restart --publish 5432:5432 --workdir /home/db:/var/lib/postgresql postgresql:12

Show Suggested Answer

Suggested Answer: A

systemctl status httpd is the correct option to check if the Apache web server (httpd) is running. The systemctl status command provides detailed information about the service, including whether it is active and running.

by Gwenn at Jun 24, 2024, 01:10 PM

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Devora

28 days ago

Wait, is it just me or does option A sound like a recipe for a delicious PostgreSQL-infused docker stew?

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Julio

30 days ago

Option D is a bit of a mess. The --init, --restart, and --workdir flags don't seem to be used correctly in this context.

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Jolene

1 months ago

Option C doesn't look right. The --attach flag is likely for attaching to a running container, not starting a new one. And the --platform flag doesn't seem relevant here.

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My

1 months ago

I'm not sure about option B. The --volume flag seems to have the directory order reversed compared to option A.

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Tom

25 days ago

User 1: Option A looks correct. The -v flag should be used to specify the volume mapping.

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2 months ago

I think the answer is A.

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