( ) 2004 6
90 1 2/3 2/3 00 01 02 03 01 02 02 2 2
26 + = 21.72 Internet DDN 5 + + = 2000 559.11 3 01 4 3 4 7 5 5 5 3
1 02, 03 2 4
3 1 00 00 5
01 02 03 2 ---> ---> ---> - --> ------ 6
BBS 3 01 PowerPoint 7
1 01 2 8
1 2 3 9
1 2000 <Internet > < > < > PowerPoint 10
2 00 01 01 Internet TCP/IP IP IP IP ICMP ARP/RARP TCP 03 3 11
HDLC Intranet 03 7 3 00 4 12
CAI 1 2 00 13
00 01 02 22 03 01 02 22 02 22 02 2 03 03 1 03 1 1983 < >< >,< >,< >,<Internet > < >< > 1997 PLC 2001 2002 2003. < > 14
.2003. < > 21.2003. < >2002 97-99 2001 CIW 2002 15