Free Access CompTIA.XK0-004.v2022-05-09.q131 Practice Test (Page 9)

Question 36

In which of the following directories is the vmlinuz file located?

A./proc

B./boot

C./bin

D./etc

Question 37

A user wants to list the lines of a log, adding a correlative number at the beginning of each line separated by a set of dashes from the actual message. Which of the following scripts will complete this task?

A.Option D

B.Option A

C.Option C

D.Option B

Question 38

A junior systems administrator has generated a PKI certificate for SSH sessions. The administrator would like to configure authentication without passwords to remote systems. Which of the following should the administrator perform?

A.Add the content of id_rsa.pub file to the remote system ~/.ssh/known_hosts location.

B.Add the content of id_rsa file to the remote system ~/.ssh/authorized_keys location.

C.Add the content of id_rsa.pub file to the remote system ~/.ssh/authorized_keys location.

D.Add the content of id_rsa file to the remote system ~/.ssh/known_hosts location.

Question 39

A Linux administrator recently reprovisioned a new corporate web server to replace a legacy one. To minimize the impact on the company's users, the administrator modified the network and DNS settings of the new server to be the same as the legacy server.
When attempting to log in to the new server remotely over SSH, the following error message is displayed:
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
Which of the following should the administrator do to resolve the issue?

A.Add the administrator's public key to the authorized_keys on the remote server.

B.Update the /etc/hosts file on the remote server and local machine.

C.Restart the network services on both the remote server and the local machine.

D.Remove the entry for the web server from the known_hosts file on the local machine.

Question 40

A junior Linux administrator is optimizing a system in which an application needs to take priority 0 when running the process. The administrator runs the ps command and receives the following output:

Given this scenario, which of the following steps will address this issue?

A.Issue the command ronice -n 0 -p 8481

B.Issue the command renice -p 0 ~n 8481

C.Issue the command renice -n 8481

D.Issue the command renice -p 8481

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