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Class 8(computer), Chapter 1, Computer networking, , F. Answer in short:, , , , , , , , Q.1 Name the main types of ,, /| topologies, yes, f §|, aj) Ans. There are three main, Te: topologies:Ve i, . } 1. Star topology InN, ; y, , 2. Ring topology, , Reto, ~, —, , , , yz), a ~ 3. Bus topology >, mh { ( } 4 =

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Q.2 what is gateway?, , , , Ans. A gateway is a special, networking device which helps to, connect two dissimilar networks, , on the internet. %, Q.3 Define Internet., , Ans. Internet is an inter, , , , communication between several, , , , computers of different types, , , , belonging to various networks all, , , , over the world.

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Q.4 what is Intranet?, , , , Ans. An Intranet is a private, network, operated by a large, company or other organisation,, , which uses internet technologies ., , Q.5 write any two advantages of a, , network., , Ans. The two advantages of a, , network are:, 1. Data sharing:- Multiple users can, , easily share information and

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resources at the same time over, , the network., , 2. Security:- Network allows, security by ensuring that only the, authorised users may have access, , to files and applications., , Q.6 what is a switch?, , Ans: Switch is a central hardware, device that manages the flow of, information among the computers, and devices connected to it. Switch, , send the data signals only to the

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desired device rather than sending, , it to all devices., , , , G. Answer in detail:, , Q.1 what is the difference between, LAN and WAN?, , , , , , , , , , , , , , , Ans: The difference between LAN, and WAN:, , 1. LAN stands for Local Area, Network. Whereas WAN stands, for Wide Area Network.