CompTIA Exam XK0-005 Topic 3 Question 21 Discussion

Actual exam question for CompTIA's XK0-005 exam

Question #: 21
Topic #: 3

A user is attempting to log in to a Linux server that has Kerberos SSO enabled. Which of the following commands should the user run to authenticate and then show the ticket grants? (Select TWO).

Akinit

Bklist

Ckexec

Dkioad

Epkexec

Frealm

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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Cassandra

7 months ago

Exactly! 'kinit' to authenticate and 'klist' to list the tickets. That's gotta be the right answer. Though I wish they'd just let us use good old-fashioned passwords, you know?

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Annabelle

7 months ago

Alright, let's think this through. I'm pretty sure we need to use the 'kinit' command to authenticate and get a Kerberos ticket. Then we can use 'klist' to view the ticket grants.

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Iesha

7 months ago

Yeah, tell me about it. Isn't the whole point of SSO to make our lives easier? This question is just trying to trip us up.

upvoted 0 times

7 months ago

Ugh, Kerberos questions are the worst. I've spent way too much time trying to wrap my head around that whole authentication mess.

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