Question

The Internet is a hierarchical structure linking different levels of service providers whose millions of devices supply all the interconnections. The three levels outlined in the book from the top down include ________.

A. new system provider (NSP), current system provider (CSP), and order entry system provider(OSP)B. national service provider (NSP), regional service provider (RSP), and internet serviceprovider (ISP)C. net server point (NSP), radio server point (RSP), and internet server point (ISP)D. None of these are correct.

Answer 1

B. national service provider (NSP), regional service provider (RSP), and internet service provider (ISP)

Step-by-step explanation:

A National service provider can simply be said to be a firm that deals in the sales of Fiber optic cables. digital subscriber lines, etc.

A Internet service provider: An internet service provider can be defined as the a firm that deals with accessing and using the internet. It can be individual or community-owned etc. Services of ISPs incliude internet transit, web hosting, etc.

Cheers.