CompTIA Exam XK0-005 Topic 3 Question 21 Discussion

Actual exam question for CompTIA's XK0-005 exam

Question #: 21
Topic #: 3

A Linux administrator needs to rebuild a container with the httpd service in order to change some default parameters. Which of the following should be the first command line in the Dockerfile?

AFROM httpd

BBASE httpd

CUSE httpd

DINHERIT httpd

Show Suggested Answer

Suggested Answer: A, B

The following commands can help the user to authenticate and show the ticket grants using Kerberos SSO on a Linux server:

kinit: This command obtains and caches an initial ticket-granting ticket (TGT) for the user from the Kerberos key distribution center (KDC).The user needs to enter their password or use a keytab file to authenticate1.

klist: This command lists the cached tickets, including the TGT and any service tickets, for the user.It also shows the expiration time and flags for each ticket2.

For example, the user can run the following commands to log in and view their tickets:

$ kinit username@REALM

Password for username@REALM:

$ klist

Ticket cache: FILE:/tmp/krb5cc_1000

Default principal: username@REALM

Valid starting Expires Service principal

04/06/2023 16:06:59 04/07/2023 02:06:59 krbtgt/REALM@REALM

renew until 04/13/2023 16:06:59

kinit(1) - Linux man page, section ''Description''.

klist(1) - Linux man page, section ''Description''.

by Art at Dec 26, 2023, 08:32 PM

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Brandee

22 hours ago

I'm not sure, but I think A) FROM httpd makes sense because it specifies the base image for the container.

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Nguyet

4 days ago

I agree with Reena, using FROM is the correct way to specify the base image in a Dockerfile.

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Reena

6 days ago

I think the answer is A) FROM httpd.

upvoted 0 times

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