5. 






6.  Peer to Peer Network
Peer)
Client Server
Peer to Peer
Workgroup) Windows 98/Me XP
 Client-Server
-
peer to peer client-server
server
client workstation

8.  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

9.  Ad-Hoc)
Access Point

10. 
Access Point)
Access Point

12.  Syntax Format) Structure)
address)
syntax
 Semantics
syntax
 Timing
Mbps
Mbps

14.  physical layer)
 data link layer)
node) 2
 network layer)
 transport layer)
 session layer)
-
-
module)
 presentation layer)

15. 
TCP/IP, FTP, HTTP HTTPs

16. ARPANET
TCP/IP


-


21.  FTP
USER) User Interface
FTP FTP
PI (Protocol Interpreter module)
DT (Data

22. 
HTTP
end-user)

23.  HTTP protocol
server client
Netscape
-
-

27. backbone coaxial
terminator
-

28. 
◦
◦ Star
◦

◦
◦ Terminator
◦
◦

29. 

30. HUB)
 Star
•
•
Bus
hub switch
Bus Hub

31. 
 Transmission Media)
 Hardware)

Software)

33. 
LAN WAN

34. 
 Bandwidth 10/100/1000 Mbps


35. 
 Bandwidth 10/100/1000 Mbps


36.  Hub Hub
Hub
Switch
Switch
Hub
◦ Hub Repeater)
Switch

37. 
Switch Hub
 Bandwidth 10/100/1000 Mbps

38.  LNK LINK
 MB/s
MB/s
 ACT (Activity) -

39. 
 Bandwidth 56 Kbp

40. 
wireless)
 Bandwidth 11/54 Mbps

41. 
 Bandwidth 11/54 Mbps

42.  Ethernet
Switch Hub
 Bandwidth 10/100/1000 Mbps

 m

43.  UTP Ethernet Lan RJ-45
 UTP

44.  A (Standard 568A)








45.  B (Standard 568B)








46.  UTP Straight Cable)
Hub Switch
A B
 UTP Cross-over Cable)
Hub Switch
Router (

49.  UTP
UTP
 UTP

50. 
 Bandwidth 10/100/1000 Mbps
 m – 2Km

51. Duplex
 Half Duplex
Ethernet BaseT (10Mbps)
 Full Duplex
Fast Ethernet
(100Mbps) Gigabit Ethernet (1000Mbps)

54. 

digital





55. 




56. 
 Wireless LAN WLAN)

57. 
 Mobility)




58.  PC Notebook
Pocket PC PCMCIA

Cisco, Orinoco, Toshiba, 3Com, Linksys
 Access Point) :
LAN

59.  Ad-Hoc)
Access
point)
 Infrastructure)
Access point)

60.  WPAN (Wireless Personal Area Network)
IR
(Infra-Red) Bluetooth
 WLAN (Wireless Local Area Network)
 WMAN (Wireless Metropolitan Area Network)

61.  FireWall)

 User Name and
Password)
 WEP (wired equivalency privacy key)
 Wi-Fi Protected Access (WPA)

63.  ipconfig ->
 Ping ->
 Nslookup ->
 Traceroute ->