1. IP ?

2. ?

, . 3. hardware, software .

4.

Local Area Network LAN

Metropolitian Area Network MAN

. LAN-c WAN c .

Wide Area Network WAN

. 2 LAN- . 5. . 6. , ROUTER . SWITCH . 7.

8. 9.

10. 11.

10BASE-T 12. 10BASE5 13. 10BASE2

14. 15. (STP-shielded twisted pair) 16. UTP (ScTP) 17. , (UTP-Unshielded TP) 18. (connectors) 19. UTP- RJ-Registered Jack T1-T4 R1-R4 8 ... 1 20. (jack) (patch panel) 21. LAN CARD 22. , , 23. T568-A 24. T568-B 25. EIA/TIA 568 A, B 26. 27.

1-3 28. 2-6

29.

.

30.

, .

31.

(switch-router) 32. () (switch-computer) 33. () (hub-computer)

34.

(switch) 35. (hub) 36. 37. (router) 38. (pc) 39.