687983_a1d9b_aliev_t_i_seti_evm_i_telekommunikacii

123456 1. 789A5 BCADEABF C 2DA32EAA 5 5

43 C3BEFD 32 E FE3E E E. 1 43FE5D BB C8B6D F BFEC BE 5 *5B 5 BFEC5 83 455 83 4 FBEBC EB 45 59 F55ECBEFEC 6 FEB 5C 785E5 5 5C, 43 5 BB CBFE4 6 83F785FE834$44 6 F8B2 5E58 DC D EFD FEB 785E5 5 5C: TCP/IP, XNS, IPX, AppleTalk, DECnet, SNA. #83E 5B 57 F34 B 7B8B F B44 FEB 5C 785E5 5 5C 78 C52 EFD C 54 B 2344595 83 2B 3 (F6. 7.1.7).

1.3.6. 1 252 2 3E7 # 2 6 D33E (PDU)

-344 B, 7B8B23C3B6 B 43 83 4 85C4D C FBE, A586 8 EFD C C 2B 5 5C, 43 C3B6 FE3E E 4AB " E 9 9AAB (Protocol Data Unit – PDU). PDU 78B2FE3C DBE F5 5 B2 4 2344, 7B8B23C3B6 3 B2 45B B 5B 6B 5 836 B4 B C C 2B 395 5C 3 F5 F B 45 4A5863 B (328BF 5E783C EB D, 328BF 75 3EB D, 2 43 5 3 E.7.) , C5 65 45, 54 BC 3.

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42 (8 F. 1.23).

5# &% OSI-, 456%		PDU
7	'8 3245	'DD 3C93	Message
…	…	…	…
4	(834F758E4	#3E5 2	Datagram
3	BEBC5	" 35	Packet
2	#343 4	$42	Frame

1.23

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9 F (frame) – 5 2344 2-D (C ABCD D) 2D6C OSI-652B,

6B 59834 B44 2 4 7B8B23C3B6 3 B2 45B B 5B C 5 3 45 FBE 75 C 2B B4456 343 FCD 6B 2 2C 6D 36.

*9 23 (packet) – 5 2344 43 3-D (13536D D) 2D6C OSI-652B, 6B 59834 B44 2 4 78B2FE3C D F5 5 B2 4

7B8B23 2344 C	'-.
82 39!F9 9	(datagram) – 5 2344 4-D (52 C1 D25CD D)

2D6C OSI-652B, 7B8B23C3B6 2B E3983664 6 F75F5 56 B FE345C B4 D F5B2 4B4 D.

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31

123456 1. 789A5 BCADEABF C 2DA32EAA 5 5

#856B 7B8B F B44 43 C34 C FEB B 785E5 5 5C TCP/IP 5 2344 785E5 5 3 TCP 43 C3BEFD 51,5& ,, 5E58 75 3BEFD 7 E$6 C 8B 34 D 4BFE8 E 8 85C344595 " 42 3 E5C, 75FE 73 785E5 5 TCP C 836 3 59 BF 595 F5B2 4B4 D 5E 785E5 5 5C 5 BB C F5 595 85C4D.

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TCP/IP.

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•3 E3 2344 326 4 FE8 85C34 B, C 3D 7522B8 5E 3 5 FE5 C5FE 377383E4 785983664 F8B2FEC;

32

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• 5 BF7B B4 B 25 4595 4EB8AB F3 2 D 78 324 78598366 75 5C3EB B E.2.

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5FE3C FBEBC5 + 75 3 343 43 8 F.1.24.

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1.24

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•Microsoft Windows (95, NT 5 BB 75 24 B);

•Novell NetWare;

•83 4 B UNIX F FEB6, E3 B 3 Solaris, E.2.

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33

123456 1. 789A5 BCADEABF C 2DA32EAA 5 5

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34

		123456 1. 789A5 BCADEABF C 2DA32EAA 5 5
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					35

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36

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37

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38

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