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...................................................................... 3
- ................. 9
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I. ............................................................................................................................. 11
1. ......................................................................................... 11
2. ...................................................................................................................... 13
II. ...................................................................................................................... 15
.............................................................................................................. 17
1. ................................................................................................................. 17
2. ......................................................................................................................... 18
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" ".................................................................................................. 20
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()..................................................................................................... 22
- .................................................................................................... 24
- ...................................................................... 25
................................................................................................................... 38
Text 1
Introduction............................................................................................................................. 38
Text 2
The Purposes of Networks....................................................................................................... 40
Text 3
What is a Computer Network?................................................................................................. 42
Text 4
What is a Computer Network? (continued)............................................................................. 46
Text 5
Networking Protocols.............................................................................................................. 48
Text 6
Nodes, Switches, and Devices................................................................................................. 51
Text 7
Types of Computer Networks Local Area Networks.............................................................. 54
Text 8
LAN Topology. LAN Models................................................................................................. 57
Text 9
The Impact of LANs................................................................................................................ 60
Text 10
Wide Area Networks............................................................................................................... 63
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Text 11
WAN Service Providers........................................................................................................... 65
Text 12
Electronic Data Interchange. International Networks............................................................. 67
Text 13
Public and Private Networks Integrated Services Digital Networks....................................... 70
Text 14
The Internet. Intranets.............................................................................................................. 73
Text 15
Benefits and Uses of Intranets................................................................................................. 76
Text 16
Computer Networking Software.............................................................................................. 78
Text 17
Networking Applications......................................................................................................... 82
I
...................................................................................................................... 85
II
...................................................... 89
1............................................................................................................................. 89
2............................................................................................................................. 90
3............................................................................................................................. 90
4............................................................................................................................. 91
5............................................................................................................................. 92
6............................................................................................................................. 92
7............................................................................................................................. 93
