IP Address (Internet Protocol address) is a 32-bit logical address for a host on a TCP/IP network (IPv4) or 128-bit (IPv6). Each host on a TCP/IP network needs a unique IP address for communication...
ARP is a TCP/IP network layer protocol responsible for resolving IP addresses into MAC addresses.
ROUTER is a networking device that is used to extend or segment networks by forwarding packets from one logical network to another.
EMI, Electromagnetic Interference, is electrical noise induced in cabling by the presence of nearby electrical equipment such as motors, air conditioners, fluorescent lights, and power lines.