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17.A device that helps prevent congestion and datacollisions Switch Hub Gateway Proxy Server 18.A device that is used to connect a number of LANs is

17.A device that helps prevent congestion and datacollisions

Switch

Hub

Gateway

Proxy Server

18.A device that is used to connect a number of LANs is –

Router

Repeater

Bridge

Switch

19.In networking, two dissimilar physical networks can beconnected by a

Router

Repeater

Bridge

Switch

20.The CSMA/CD protocol is responsible for _____.

making the MAC protocol operate with more efficiency

allowing browser such as Chrome to make requests to webpages.

networks to share the same network time slots

None of the above

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