วิชา เครือคอมพิวเตอร์

1. (LAN)

2. LAN : Local
Area Network
LAN
Ethernet
Token Ring
FDDI (Fiber Distribution
Data Interface
WLAN : Wireless LAN

3. 

(Ethernet)
 IP
Address
Subnet Mask


4. 

 IP Address
Subnet Mask


5. 1.
(Local Area Network : LAN)
 LAN (Local Area Network)

 LAN
LAN
 LAN

6. Local Area Network
(LAN)
6

7.  Ethernet ( )


IEEE
(Institute of Electrical and Electronics
Engineer)
 Ethernet 10 Mbps 7

8. Ethernet Network
248

9.  Ethernet CSMA/CD
 Ethernet
Ethernet (Fast Ethernet)
(Full Duplex)

 Ethernet Ethernet
10 Mbps
 Fast Ethernet Ethernet 100
Mbps
 Gigabit Ethernet Ethernet 259

10. Ethernet
10Bas
e5
10Bas
e2
10Base
FOIRL
10Bro
ad36
10Bas
eT
10Base
FL
10
Mbps
10
Mbps
10 Mbps 10
Mbps
10
Mbps
10
Mbps
Baseba
nd
Baseb
and
Baseban
d
Broadb
and
Baseb
and
Baseba
nd
500 m 185 m 5 km 3,600
m
100 m 2 km
Thick
Coax
Thin
Coax
MMF Coax UTP
cat 3
MMF
Bus Bus PPP PPP Star PPP
 UTP : Unshielded Twisted Pair
 MMF : Multimode Fiber Optic
 SMF : Single Mode Fiber Optic
 PPP : Point-to-Point
2810

11. 10Base2
BNC, T-Connector
10Base2

12. 10BaseT
UTP, STP
CAT 3
UTP, STP CAT
3
RJ-45 RJ-45
10BaseT

13. 10Base2
BNC, T-Connector
10Base2

14. Fast Ethernet
100Bas
e-Tx
100Bas
e-Fx
100Ba
se-
T4
UTP
Cat5
62.5/125
MMF
UTP
Cat 3
100 m 2,000 m 100 m 292811

15. Gigabit Ethernet
302812

16. (Ethernet)
(Fast
Ethernet)
(Gigabit
Ethernet)
(Ten

17. IP Addressing
 (IP Address)
(Router)
 IP
4
IPv4
32
2813

18. 2814

19.  4 (IPv4)
5
(Class)
 Class A : 0
(Network ID) 8 24
(Host ID)
 Class B : 10
16 16
 Class C : 110 21
8
2815

20. 2816

21. IP Address
2817

22. Private/Public Internet

(InterNIC)

IETF (Internet Engineering
Task Force)
2818

23. A
B
C
2819

24.  (Subneting)
 B
65,534


2820

25. 2821

26. A
B
C
2822

27. 2823

28.  A B

2824

29. 2825

30. 





2826

31. 

“ ”

2827

32. B
2828

33. C
1
0
0 254
2829

34. 5.
(LAN)
Hub Switch Hub
Switch
Switch
UTP (Cat RJ-
Switch 2830

35. UTP RJ-45
2
(Straight –through Cable)
Switch
(Crossover Cable)
2
2
Hub Switch
5.1 UTP
(Cat5) RJ-45
2831

36. - RJ- 45 (Crimping Tool)
- RJ-45
- UTP Category 5e (CAT5e)
2832

37. UTP Category
5e (CAT5e) UTP
UTP
8
EIA (Electronics Industries Association)
TIA (Telecommunication Industries
Association) EIA/TIA
568 UTP
Category N
2833

38. -
W-O O
-
W-G G
-
W-BL
BL -
W-BR
BR
2834

39. - W-O
O
- W-G
G
- W-BL
BL
- W-BR
BR
2835

40.  UTP
EIA/TIA
568A EIA/TIA 568B
UTP
EIA/TIA 568A EIA/TIA
568B 2836

41. RJ-45
Pin # Signal EIA/TIA
568A
EIA/TIA
568B
Transmit+
Transmit-
Receive+
N/A
N/A
Receive-
N/A
N/A
2837

42. RJ-45 EIA/TIA
568
 568-
A
 568-
B
2838

43. 1.
Switch
Crossover
UTP

44. 2.
UTP
Strip

45. 3. UTP

46. 4.
RJ-45

47. 5. RJ-45

48. 6. RJ-45

49. 1. My
Computer
Properties
System
Control Panel
2.
System Properties
HardWare
Device
Manager

50. 3. Device Manager
Network Adepters
Network Adepters

51. 4. UTP
Switch
Straight –through Cable)

52. 5.3 IP Address
1.
Control Panel Network Connections

53. 2. Network Connections
Local Area
Connection Properties

54. 3. Local Area Connection Properties
Internet Protocol (TCP/IP) Properties

55. 4.
IP Address ,
Subnet Mask , Default
Gateway DNS
Server
OK

56. 5. IP Address
IP
Address
Command Prompt ipconfig /all

57. 6.
LAN ping Command Prompt
ping Default Gateway
Default
Gateway

58. 5.2
(Network Interface Card -NIC)

(Network
Interface Card -NIC)
Switch
2839

59. 4
3–5
UTP
(Straight –through Cable)
(Crossover Cable)
1. UTP
EIA/TIA 568B
2. UTP
3.
4. LAN 562840