XK0-006 Exam Dumps | A Linux administrator just finished setting up passwordless SSH authentication between two nodes. However,

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CompTIA.XK0-006.v2026-10-24.q87
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Question 35/87

A Linux administrator just finished setting up passwordless SSH authentication between two nodes. However, upon test validation, the remote host prompts for a password. Given the following logs:

Which of the following is the most likely cause of the issue?

A. The SELinux policy is incorrectly targeting the unconfined_ucontext.

B. The administrator forgot to restart the SSHD after creating the authorized_keysfile.

C. The authorized_keysfile has the incorrect root permissions assigned.

D. The authorized_keysfile does not have the correct security context to match SELinux policy.

Correct Answer: D

The log shows avc: denied { read } caused by SELinux when sshd tries to access authorized_keys. The file has the wrong SELinux context (unconfined_u:object_r:home_root_t) instead of the expected context for SSH. This mismatch blocks SSH key authentication even though file permissions are correct. Adjusting the SELinux context (e.g., with restorecon) resolves the issue.

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