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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.
Flash It is also permanent storage device. It stores the compressed form of Cisco IOS software image and the NVRAM data. Device structure One flash socket Support 80
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Time out Timers are used to protect against lost packet. Each packet must have its own logical timers since only a single packet will be retransmitted after timeou
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Explain L2F protocol?
When the signal hits to each other, collision accord.
Router# reload is the command to reload the router
Q. Network performance measured by delay and throughput ? delay versus load Delay is composed of? Throughput v/s network load
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