Question

It is known as the centralized infrastructure which is designed
for distributing different data and routes to various network
and used to handle the channels and bandwidth.
A Node
B Routers
C Link
D Backbone network
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Answer 1

Answer:

A backbone network is a centralized infrastructure that is designed to distribute different routes and data to various networks. It also handles the management of bandwidth and multiple channels.

Explanation:

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Answer 2

answer

c link because for distributing different data and routes to various network various ways are used one of which is link it is based to handle channels and bandswidth