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A Question about the inernetconnections

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#1 chanwool


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Posted 26 December 2015 - 10:31 PM

I'm reading about a book on general stuff about computers and I have a question about these somewhat seemingly complicated systems.


There are three types of internet access providers: ISP, Commercial Services, and Wireless ones


Next in the same chapter the book talks about the Internet Connections: POPOS, NAPs, Backbone, and Internet 2


The author relates these internet connections primarily to ISP, not the commercial services of which I think can also be related(or interconnected).


Can someone please solve this blurring connection in my mind?


Ex: Your journey onto the internet starts, in the caseof dial-up, with your client computer'smodem connecting via a local phone call to your internet service provider(ISP). <--Here can we not say ISP and commercial online services?


To avoid making its customers pay long-distance phone charges to connect, the ISP provides each customer with a point of present(POP)

Edited by chanwool, 26 December 2015 - 10:33 PM.

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