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( คิง ) หน่วยที่ 1ความหมายและความสำคัญ
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( คิง ) หน่วยที่ 1ความหมายและความสำคัญ

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Transcript

  • 1. Computer Network)
  • 2. LAN (Local Area Network) MAN (Metropolitan Area Network) WAN(Wide Area Network) LAN (Local Area Network) MAN (Metropolitan Area Network) WAN (Wide Area Network) World wide dial up/ Leased Line/ ISDN)
  • 3. • • • • • •
  • 4. Peer to Peer Client Server• Peer to Peer Network Peer) Client Server Peer to Peer Workgroup) Windows 98/Me XP • Client-Server - peer to peer client-server server
  • 5. 1. Ethernet/ Fast Ethernet/ Gigabit Ethernet 2. Wireless LAN Ethernet / Fast Ethernet / Gigabit Ethernet LAN LAN Gbps UTP Fiber optic Wireless LAN
  • 6. Wireless • IEEE 802.11 GHz Mbps • IEEE 802.11b GHz Mbps / 22Mbps • IEEE 802.11a GHz, 5.47~ 5.725GHz Mbps • IEEE 802.11g GHz Mbps • IEEE 802.11n GHz / 5GHz Mbps
  • 7. • Ad-Hoc) Access Point
  • 8. • Access Point) Access Point
  • 9. Protocol)
  • 10. • Syntax Format) Structure) address) syntax • Semantics syntax • Timing Mbps Mbps
  • 11. Standard) International Organization for Standardization (ISO)
  • 12. • physical layer) • data link layer) node) 2 • network layer) • transport layer) • session layer) - - module) • presentation layer)
  • 13. • TCP/IP, FTP, HTTP HTTPs
  • 14. TCP/IP (Transmission Control Protocol/Internet Protocol) ARPANET TCP/IP • • -
  • 15. TCP/IP Header Header Encapsulate Header Demultiplexing
  • 16. Encapsulation/Demultiplexing TCP/IP
  • 17. - Host-to-network) IP The Internet Layer) packet-switching network) Connectionless) Packet)
  • 18. Protocol (TCP) connection-oriented) Byte stream message message TCP UDP (User Datagram Protocol) connectionless) client/server system) request/reply) voice) Application Layer) TELNET FTP SMTP
  • 19. FTP (File Transfer Protocal) FTP • FTP USER) User Interface FTP FTP PI (Protocol Interpreter module) DT (Data Transfer
  • 20. HTTP(Hyper Text Transport Protocol) • HTTP end-user)
  • 21. HTTPs(Hypertext Transfer Protocol Security ) • HTTP protocol server client Netscape - -
  • 22. Network Topology)
  • 23. Network Topology)
  • 24. point-to-pointConnection) multipoint Connection) point-to-point) multipoint)
  • 25. Bus Topology backbone coaxial terminator -
  • 26. Bus • – – Star – • – – Terminator –
  • 27. Ring-Topology •
  • 28. Star-Topology HUB) • Star • • Bus hub switch
  • 29. • • Transmission Media) • Hardware) • Software)
  • 30. Router) • LAN WAN
  • 31. Switch • • Bandwidth 10/100/1000 Mbps •
  • 32. Hub • • Bandwidth 10/100/1000 Mbps •
  • 33. Hub Switch • Hub Hub Hub Switch Switch Hub – Hub Repeater) Switch
  • 34. Ethernet Card • Switch Hub • Bandwidth 10/100/1000 Mbps
  • 35. Ethernet Card • LNK LINK • MB/s MB/s • ACT (Activity) -
  • 36. Modem • • Bandwidth 56 Kbp
  • 37. Access Point • wireless) • Bandwidth 11/54 Mbps
  • 38. Wireless Card • • Bandwidth 11/54 Mbps
  • 39. UTP (Unshielded Twist Pair) • Ethernet Switch Hub • Bandwidth 10/100/1000 Mbps •
  • 40. UTP RJ-45 • UTP Ethernet Lan RJ-45 • UTP
  • 41. RJ-45 • A (Standard 568A) • • • • • • •
  • 42. • B (Standard 568B) • • • • • • •
  • 43. UTP RJ- 45 • UTP Straight Cable) Hub Switch A B • UTP Cross-over Cable) Hub Switch Router (
  • 44. UTP Straight Cable)
  • 45. UTP Cross-over Cable
  • 46. STP (Shielded Twisted Pair) • UTP UTP • UTP
  • 47. Fiber Optic • • Bandwidth 10/100/1000 Mbps • m – 2Km
  • 48. Duplex • Half Duplex Ethernet BaseT (10Mbps) • Full Duplex Fast Ethernet (100Mbps) Gigabit Ethernet (1000Mbps)
  • 49. • • digital • • •
  • 50. • • •
  • 51. WIRELESS LAN) • • Wireless LAN WLAN)
  • 52. • • Mobility) • • •
  • 53. • PC Notebook Pocket PC PCMCIA • Cisco, Orinoco, Toshiba, 3Com, Linksys • Access Point) : LAN
  • 54. • Ad-Hoc) Access point) • Infrastructure) Access point)
  • 55. • WPAN (Wireless Personal Area Network) IR (Infra-Red) Bluetooth • WLAN (Wireless Local Area Network)
  • 56. • FireWall) • • User Name and Password)
  • 57. • ipconfig -> • Ping -> • Nslookup -> • Traceroute ->
  • 58. .6/1

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