CS301 FINAL TERM SHORT NOTES

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CS301 FINAL TERM SHORT NOTES

CS301 FINAL TERM SHORT NOTES

 

See also:

CS201 FINAL TERM SOLVED PAPERS BY WAQAR SIDHU.ENG101 FINAL TERM SOLVED MCQS.CS403 CURRENT FINAL TERM PAPERS.CS101 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS201 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS205 FINAL TERM PAST PAPERS. CS204 FINAL TERM PAST PAPERS. CS301 FINAL TERM SOLVED PAPERS BY MOAAZ. CS304 FINAL TERM SOLVED PAPERS BY MOAAZ. CS311 FINAL TERM SOLVED PAPERS BY MOAAZ. CS401 FINAL TERM SOLVED PAPERS BY MOAAZ

 

Internet architecture:
As we have already mentioned, the Internet is a set of connected networks. In general, they
Networks are built and maintained by companies called Internet Service Providers (ISPs). This
It is common to use the term ISP to refer to a network. so let’s talk
Connects to an ISP, if it is actually connected to a network provided by an ISP.

The structure of networks operated by ISPs can be classified according to their role.
in the overall structure of the Internet. There are some Layer-1 ISPs above this line
Very fast, high capacity, international air features. These are considered networks
The backbone of the Internet.

CS301 FINAL TERM SHORT NOTES

They are usually run by large companies involved in communications.
An example of a business is a company that has evolved into a traditional telephone company.
Expanded its scope to provide other communication services.

Linking to Layer-1 ISPs There are layer-2 ISPs that have a greater area coverage and less power.
their skills. (The difference between a Tier-1 and Tier-2 ISP is often a matter of opinion.) Again,
These networks are operated by commercial communications companies.

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