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VLAN(virtual local area network)
Its main purpose is to divide our network and provide security and defined access.
In simple it help in logical grouping of network.

Major difference b/w xp and vista is size,graphics,add-on feature like elemination of some feature and addition of new supporting motherboards.

Ftp(file transfer protocol) and Udp(user datagram protocol)
ftp is used to share files,transfer data from server to client and vice versa.
It work on port 21 for control connection to server and...

Q,1. Difference b/w router and switch ?

Ans. In simple words router is a machine to travel our data into different network
and switch is a machine which work in lan.
In future technologies the...