If your company network is having problems and you need to troubleshoot it, you also need to know some basic information about the computers on the network. Internet Protocol is the underlying ...

Address Resolution Protocol (ARP) is a protocol that maps dynamic IP addresses to permanent physical machine addresses in a local area network (LAN). The physical machine address is also known as a ...

Your computer's IP address — which stands for "Internet Protocol" — is a string of numbers, separated by dots, that identifies a computer or device on the internet or its local network. Your computer ...

You’ve heard about it before: an unknown online assailant has been inundating someone in your town with bothersome messages. Luckily, even though that person’s profile may be devoid of identifying ...

An IP address is a long string of numbers or hexadecimals (numbers and letters) used to identify your business computer when you're online. In addition to your computer's IP address, there is also a ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...