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CHARACTERIZATION OF NETWORKS:
There are three kinds of characterization of networks.
LOCAL AREA NETWORK (LAN):
It is needed for a single building.
METROPOLOTAN AREA NETWORK (MAN):
It is needed for a single city.
WIDE AREA NETWORK (WAN):
It is needed for a country level networking and even for continents.
DIFFERENCE BETWEEN LAN AND WAN:
Although LAN is for a local area but satellite bridge can extend LAN across longer distances. But it still could not accommodate arbitrarily several computers.
On the other hand WAN has to be scalable to long distances and several computers.
Undesirable Sharing With the good comes the bad while networking allow the easy sharing of useful information it also the sharing of undesirable data. One sign
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
CONNECTION-ORIENTED: Accounting is simpler. Application can learn of network causes immediately. CONNECTIONLESS: It has fewer load. It is easier to cre
However what if you don't know about the IP address of the computer you wished to connect to? What if you have to access a web server referred to as www.abc.com? How does your web
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Router(config-if)# bandwidth 56
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
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