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| 2004 - Pérennisation |
  LAN
[15 mn de lecture - paru le 6/22/2004 1:35:47 PM - Public : ÐÂÊÖ]
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Auteur
Local-Area NETWORK
Summary£º
The Local-Area Network (LAN) name itself implies the office land of the geographical range of this kind of network. It¡¯s a network which covers relatively smaller place, (no more than several thousand square meters), with high speed, less wrong data . LAN can join the work station with ancillary equipment , terminal station and other equipments in a building or the other limited area . LAN is common in the company, the school, government organizations, it is the most popular kind of form in computer network, estimate that there are up to millions of computer LANs in the whole world.
Because of the smaller geographical range, LAN usually has much higher transfer rate than Wide-Area Network (WAN).For example, the transfer rate of LAN is 10Mb/s at present, the transfer rate of FDDI is 100Mb/s, while it is only 64kbps or 2.048Mbps at present that the speed of backbone of the WAN in our country. it is usually only 14.4kbps when the user goes to the line. The delayed time of the communication of LAN is less, and it¡¯s dependability is better.Catalog
1. The components of LAN
1.1. The basic components and structures
1.2. Network operating system
2. The type of LAN
2.1. Star topology
2.2. Ring topology
2.3. Bus topology
3. The protocols of LAN
4. The keeping secret of the LAN
4.1. Information divulges a secret
4.2. The entity divulges a secret
5. Trouble of the LAN
5.1. Ethernet after upgrading of fast Ethernet is even slower
5.2. Can join , but can't land
5.3. The baffled intermission joining and cutting off
conclusion
Having introduced the above knowledge of the LAN, you¡¯ll have some idea about it. The technology of the computer is developed rapidly nowadays, with the need of development, the relevant technology of the LAN become focuses that people pay attention to it. Believe that in future , LAN will play an important part with it¡¯s dependability , easy to stretch ,shrink and manage!
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428 Visites
Ying ZHOU
[10 mn de lecture - paru le 6/22/2004 1:15:46 PM - Public : ÐÂÊÖ]
[10 mn de lecture - paru le 6/22/2004 1:07:24 PM - Public : ÐÂÊÖ]