Transcript Document

Local Area
Network (LAN)
Example:
Computers in the
computer lab that
connect to each
other and printers.
Personal Area
Network (PAN)
Example: Bluetooth
headset connecting
to a mobile phone.
Wide Area
Network
(WAN)
Example: Company
computers
connecting to each
other from all over
the world.
PAN, LAN or WAN?
Network Topologies
Peer-to-Peer
Client-Server
Peer
Network Architectures
TCP/IP
IPX/XPS
SNA
AppleTalk
Network Protocols
Novell
NetBIOS
Network Cabling
• Unshielded Twisted Pair
• Shielded Twisted Pair
• Thick Coaxial Cable
• Thin Coaxial Cable
• Fiber Optic Cable
• Wireless Communications
Network Equipment - Hub
Connects Computers on a LAN
Network Equipment - Switch
Connects Computers on a LAN – Smart Hub
Network Equipment - Router
WAN
Connects Networks
LAN
Network Equipment - Firewall
Connects Networks – Smart Router