Matakuliah
Tahun
Versi
: M0284/Teknologi & Infrastruktur E-Business
: 2005
: <<versi/revisi>>
Pertemuan 6
Networking Fundamentals
1
Learning Objectives
• Explain basics of local area networks
2
Overview
• Local Area Networks
3
Local Area Network
• Owned by a single organization and
physically within their premises.
• Ethernet is the most popular architecture
• Uses coaxial cable and cat 5 twisted
copper wire
• Capacity of 10 million bits/second and
“High speed” Ethernet is 100 million
bits/second
4
Local Area Network: Ethernet
5
LAN Wireless
•
•
•
•
Radio frequency to transmit
Little installation
Supports mobility
Standard is IEEE 802.11b: 11 megabits
per second capacity
• Emerging standard IEEE 802.11a: 54
megabits per second capacity
• Two popular configurations
– Peer-to-peer and client/server
6
LAN Wireless
Peer to peer wireless local area network communicating
through a antenna system
7
LAN Wireless
Wireless laptops connecting to a terrestrial LAN through a
network access point that can support 50 clients over 500 feet
8