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XK0-005 · Question #828
XK0-005 Question #828: Real Exam Question with Answer & Explanation
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Security
Question
A systems administrator needs to disable root login for SSH. Which of the following commands should the administrator use?
Options
- Atouch /etc/ssh/sshd_config | awk 's/PermitRootLoginX yes/PermitRootLoginX no/'
- Bsed -i 's/PermitRootLogin yes/PermitRootLogin no/' /etc/ssh/sshd_config
- Ctouch /etc/ssh/sshd_config | print* 1PermitRootLogin/PermitRootLogin no/'
- Dcat /etc/ssh/sshd_config | grep 's/PermitRootLogin yes/PermitRootLogin no/'
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Topics
#SSH configuration#Security hardening#sed command#Linux file editing