Question

what is network topology?
and,
what are the uses of ISP?

Answer 1

An Internet servis provide (ISP) is telecommunications company that offer it's customer access to the internet. this chapter specifically covers the design of a large tier 1 ISP that provide services to both residential and enterprise customer .
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Answer 2

Network Topology is an arrangement of the elements of a communication network.

Uses of ISP:

They provide network connection.

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