NETWORK HARDWARE

NETWORK HARDWARE

1. NETWORK INTERFACE CARD (NIC)

   • CONNECT COMPUTER TO TRANSMISSION MEDIA
     • TRANSMISSION MEDIA IS THE PHYSICAL MEDIA COMMUNICATION OCCURS - CABLE OR WIRELESS SIGNAL
   • MOST NICS ARE INTEGRATED INTO THE MOTHERBOARD OR DEVICE
   • OLDER COMPUTERS NEED TO USE AN OLDER COAXIAL CABLE OR A UTP COPPER CABLE

2. COPPER CABLE UNSHIELDED TWISTED PAIR (UTC)

   • COPPER CABLE WITH A NUMBER OF WIRE
   • TWISTED TO PREVENT EXCESS ELECTROMAGNETIC INTEREFERANCE.
     • CALLED UNSHEIELDED TWISTED PAIR AS WIRES ARE OFTEN TWISTED IN PAIRS
   • CABLE OFTEN USED IN LANS FOR SCHOOLS AND BUSINESSES

3. FIBRE OPTIC CABLES

   • SEND LIGHT THROUGH GLASS WHICH INTERNALLY REFLECTS DOWN THE CABLE .
   • TRAVEL LONGER DISTANCES THAN COPPER CABLES AND HAVE MORE BANDWIDTH
   • OFTEN USED TO CONNECT LAN TO THE INTERNET OR TO ANOTHER LAN

4. HUBS