หน่วยที่ 1ความหมายและความสำคัญของเครือข่ายคอมพิวเตอร์

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หน่วยที่ 1ความหมายและความสำคัญของเครือข่ายคอมพิวเตอร์

  1. 1. 1 Computer Network) 2 3 LAN (Local Area Network),MAN (Metropolitan Area Network),WAN(Wide Area Network) 1. LAN (Local Area Network) 10 2. MAN (Metropolitan Area Network) 3. WAN (Wide Area Network) World wide
  2. 2. dial up/ Leased Line/ ISDN) o o o o o o 2 Peer to Peer Client Server 1. Peer to Peer Network Peer) Client Server Peer to Peer
  3. 3. Workgroup) Windows 98/Me XP 2. Client-Server 15-20 peer to peer client-server server client workstation server server client server 2 Ethernet/ Fast Ethernet/ Gigabit Ethernet Wireless LAN Ethernet / Fast Ethernet / Gigabit Ethernet LAN
  4. 4. LAN 10 Gbps UTP Fiber optic Wireless LAN Wireless o IEEE 802.11 2.4~2.5GHz 2Mbps o IEEE 802.11b 2.4~2.5GHz 11Mbps / 22Mbps o IEEE 802.11a 5.15~5.35GHz, 5.47~5.725GHz 54Mbps o IEEE 802.11g 2.4~2.5GHz 54Mbps o IEEE 802.11n 2.4GHz / 5GHz 300Mbps Ad-Hoc) Access Point Access Point) Access Point

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