In class, we studied the concept of an Internet Service Provider (ISP). Explain

Question

In class, we studied the concept of an Internet Service Provider (ISP). Explain in your own words the basic functionality of an ISP.      (3 points)
                                                                                                                        

In our home networks, as well as in other kinds of networks, computers are connected to a modem. Explain why.                                    (3 points)

What are the two most common types of access networks?      (2 points)

Suppose that Bob sends N back-to-back packets, each of length L bits, to Alice over 3 links (shown below). Suppose that the transmission rate of each link is R bits/sec. What is the end-to-end delay of sending all packets to Alice? Note, consider only the transmission delay that occurs in sending packets. Show the steps used for derivation.      (7 points)     

Explanation / Answer

Internet service provider provides a link/connection to individual home users to access internet(world wide web/emails/etc)
and they can also host the web applications through this link
Modem is the device.. which helps the users computer to connect to the internet....through isp
modem is installed with a sim..which is service provider...
two common types of access networks are :Ethernet : wired LAN : local area network
wireless LAN,Fibre optic...etc

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