show n ?
winipcfg
ping 127.0.0.1
net view \\computername use this command to verify that resources on a remote computer are shared
show version
Use system file checker to verify the version of all system files when Windows loads. Useful when you suspect system files are corrupted, but you can still access the Windows desktop. Command to execute it: Sfc with parameters.
Typically found in /var/log/syslog. However, check syslog configuration file to verify.
nslookup
To verify if a serial interface is operating as a Data Terminal Equipment (DTE) or Data Communication Equipment (DCE), you can use the command show controllers in Cisco IOS. This command displays detailed information about the serial interface, including whether it is configured as a DTE or DCE. The output will typically indicate the role of the device, and a DCE interface will often show the clock rate configuration.
computer
Use the command line utilities to test connectivity, then send a test file across the network
plague
To maintain and verify routing information use the show version command.