CompTIA
XK0-004 · Question #460
XK0-004 Question #460: Real Exam Question with Answer & Explanation
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Question
After running an Nmap scan on a local area network, a penetration tester notices several older Linux servers have port 23 open Which of the following should the systems administrator do as a secunty best practice?
Options
- AUse a non-standard port for Telnet
- BDisable and umnstall the Telnet service
- CEnsure the kernels are up to date with the latest patches
- DConfigure the firewall to allow Telnet access only from trusted networks
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