Modem stands for MOdulator/DEModulator

A modem is a device that converts

Most modems are directly connected to phone system by a cable

A wireless modem uses the cell phone network to connect to the Internet wirelessly from a notebook computer, a smart phone, or other mobile device

Hub is intelligent

Hub has less cost

Computer A sends data to the hub and then the hub broadcast the data to all the computers attached to the hub. Computer B then receives the data and other computers ignore the data.

A network card enables a computer or device to access a network

Wireless network cards often have an antenna.

NIC stores the … address of the computer

NIC

is connected via USB or by wireless connection to the computer

is attached to the motherboard and it is connected to the Rj45 cable.

Bridge is a device that connects two similar MAN's.

The switch sends a …. message from the sender to the receiver.

bridge is to forward data based on the AC address of the sending and receiving devices.

A router routes/forwards data packets based on their ….

Routers connect (LANs) and (MANs) together

A …. is a piece of networking hardware or a network node that allows two separate networks to communicate with one another

A …. is a network security system that determines which data packets are allowed to access the
network

Computers and routers are the most typical ….