A network administrator suspects a server has been compromised and an unauthorized service is listening for incoming connections. Which of the following command-line tools would be the most effective for the administrator to use to view the server's open ports and active connections?
tracert
ping
ipconfig
netstat
The netstat command is a command-line tool used to display active TCP connections, ports on which the computer is listening, Ethernet statistics, the IP routing table, and more. It is the most appropriate tool among the choices for identifying unauthorized listening ports and active connections on a server. ping is used to test reachability, tracert traces the route to a host, and ipconfig displays the local IP configuration.
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