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XK0-005 · Question #534
XK0-005 Question #534: Real Exam Question with Answer & Explanation
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Security
Question
To harden one of the servers, an administrator needs to remove the possibility of remote administrative login via the SSH service. Which of the following should the administrator do?
Options
- AAdd the line DenyUsers root to the /etc/hosts.deny file.
- BSet PermitRootLogin to no in the /etc/ssh/sshd_config file.
- CAdd the line account required pam_nologin. so to the /etc/pam.d/sshd file.
- DSet PubKeyAuthentication to no in the /etc/ssh/ssh_config file.
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Topics
#SSH Configuration#Server Hardening#Root Access Control#Security Best Practices