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Question 340 - XK0-005 discussion

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A hardened physical Linux system allows regular, unprivileged users to remotely connect to the server using SSH only. No sudo tool has been installed. Which of the following should the Linux administrator use to perform administrative tasks on this host? (Select two).

A.

Create an SSH key and copy it to the remote server to allow passwordless login

Answers
A.

Create an SSH key and copy it to the remote server to allow passwordless login

B.

Access the server's physical console and use the root user's password to log in

Answers
B.

Access the server's physical console and use the root user's password to log in

C.

Install the telnet server on this system to be able to use a root account

Answers
C.

Install the telnet server on this system to be able to use a root account

D.

Use the su command and enter the root user's password

Answers
D.

Use the su command and enter the root user's password

E.

Install the sudo command using the unprivileged user's account

Answers
E.

Install the sudo command using the unprivileged user's account

F.

Add the user to the wheel group

Answers
F.

Add the user to the wheel group

Suggested answer: B, D

Explanation:

As the sudo tool is not installed on the system, administrative tasks must be performed either via direct physical console access or by switching to the root user using the su command. Both methods require knowledge of the root password. Installing Telnet is not a good option due to its lack of security, and installing sudo using an unprivileged user is not possible without root privileges.

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asked 09/10/2024
Ali Alaqoul
43 questions
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