chapter 1 computer networks

1.1 data communication

1.2 linking terminals and computers

1.3 data communication software

1.4 networking

1.5 summary

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chapter 2 network basics

2.1 what is an network?

2.2 lans,mans and wans

2.3 open systems interconnection (osi) reference model

2.4 osi model and communication between systems

2.5 standards organizations

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chapter 3 intranet

3.1 intranet introduction

3.2 application in remote access

3.3 intranet securities

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chapter 4 uses of computer networks

4.1 business applications

4.2 home applications

4.3 mobile users

4.4 social issues

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chapter 5 lan and wan

5.1 lan technology

5.2 wan technology

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chapter 6 transmission media(1)-wired media

6.1 magnetic media

6.2 twisted pair

6.3 baseband coaxial cable

6.4 broadband coaxial cable

6.5 fiber optics

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chapter 7 transmission media(2)-wireless media

7.1 radio transmission

7.2 microwave transmission

7.3 the telephone system

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chapter 8 bridges, routers and gateways

8.1 benefits

8.2 interconnection basics

8.3 bridges

8.4 suhnetworks

8.5 routers

8.6 gateways

8.7 advantages

8.8 intelligent gateways

8.9 conclusion

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chapter 9 multiple access method

9.1 frequency division multiple access (fdma)

9.2 time division multiple access (tdma)

9.3 code division multiple access (cdma)

9.4 space-division multiple access (sdma)

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chapter 10 fast and switched ethernet

10. 1 generations of lans

10.2 switched ethernet

10.3 virtual lan

10.4 fast ethernet

10.5 fast/switched ethernet worksheet

10.6 summary

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chapter 11 frame relay

11.1 the purpose of frame relay

11.2 pertinent standards

11.3 typical frame relay topology"

11.4 the frame relay layers

11.5 the frame relay core functions

11.6 potential congestion problems

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chapter 12 asynchronous transfer mode(atm)

12.1 what is atm?

12.2 the vpi and vci labels

12.3 atm layers

12.4 atm protocol data units(cells)

12.5 addressing in an atm network

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chapter 13 mobile communications technologies

13.1 what is mobile communications system?

13.2 typical cellular systems topology

13.3 cordless systems operations in more detail

13.4 third-generation mobile systems

13.5 mobile communications summary

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chapter 14 error control techniques

14.1 what-is error control?

14.2 error detection and correction

14.3 error control techniques

14.4 hybrid error control

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chapter 15 network protocol

15.1 protocols and the ()si model

15.2 internet protocol

15.3 the ip address

15.4 functions of ipv4 header fields

15.5 problems with ip and the ip address

15.6 tcp operations

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chapter 16 the wireless web

16.1 wap——the wireless application protocol

16.2 i-mode

16.3 second-generation wireless web

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chapter 17 computer viruses

17. 1 history

17.2 how viruses act

17.3 what kind of viruses are there

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chapter 18 network management basics

18.1 what is network management?

18.2 network management architecture

18.3 iso network management model

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chapter 19 linux

19.1 what is linux?

19.2 linux versus unix

19.3 linux features

19.4 hardware requirements

19.5 common commands

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chapter 20 network services

20.1 dns——domain name system

20.2 electronic mail

20.3 the world wide web

20.4 usenet news

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chapter 21 internet security(l)

21.1 protecting confidential information

21.2 protecting your network: maintaining internal network system
integrity

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chapter 22 internet security(2)

22.1 trusted,untrusted and unknown networks

22.2 establishing a security perimeter

22.3 developing your security design

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附錄 自測題答案

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