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200310
24
1G24 300500801000200
/365
20064
02339
(15115)
1x.25
A
B
C
D
2()OSI
A
BC
D
3
A
B
C
DMAC
4ISOOSI
A
BC
D
510BASE-T
A1000
B500C200
D100
6MODEM
A
BC
D
7
A.
BC
D
8ARP( )AMACIP
BIPMAC
CIP
DIP
9TCP
A.
BC
D
10DNS( )AIP
B
CIP
DIP
11IPB( )
A129.20.3.1
B127.30.2.3
C193.100.12.1
D224.0.1.1
12Windows NT( )
A
BC
D
13ISDNB( )
A10Kbs
B16KbsC64Kbs
D128Kbs
14. 255255255248
A2
B3C6
D8
15. TCP
A. 2
B3C4
D5
(10120)
16
17. HDLC(NRM) 18
19. ISOOSI 20 21IEEE802
22100Base-T100Mbps 23LAN 24
25
(6530)26?27?
28
29CSMA
30Web/
31
532103334535836735
324KHZ56KBPS
3301100101
3410110011CRCGX=X4+X+1
351Mbs2000bits0.25
(1)
(1)
(2)ARQWT=7WB=l
3610018??