XK0-006 Exam Dumps | A systems administrator is configuring new Linux systems and needs to enable passwordless authentication

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CompTIA.XK0-006.v2026-10-24.q87
Question 18

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Question 18/87

A systems administrator is configuring new Linux systems and needs to enable passwordless authentication between two of the servers. Which of the following commands should the administrator use?

A. ssh-keygen -t rsa && ssh-copy-id -i ~/.ssh/id_rsa.pub john@server2

B. ssh-keyscan -t rsa && ssh-copy-id john@server2 -i ~/.ssh/key

C. ssh-agent -i rsa && ssh-copy-id ~/.ssh/key john@server2

D. ssh-add -t rsa && scp -rp ~/.ssh john@server2

Correct Answer: A

This command generates an SSH key pair and securely copies the public key to the remote server, enabling passwordless authentication by allowing key-based SSH login between the systems.

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