A+ Question of the Week: TCP and UDP Ports

AplusQOW2Which of the following commands displays the currently allocated TCP and UDP ports on the local computer?

    1. NETSTAT
    2. NETUSE
    4. NBTSTAT

The correct answer is 1.

The NETSTAT command displays TCP and UDP ports in use on the computer, among other things. NETUSE maps network drives. NSLOOKUP is used to query DNS servers manually, among other things. NBTSTAT is used to display NetBIOS over TCP/IP (NBT) statistics.

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