12 Questions
What is the key to understanding the Internet as mentioned in the text?
Creating a network of networks
Which of the following is NOT mentioned as an example of an access ISP in the text?
Small business
What drives much of the evolution in the Internet's structure according to the text?
Economics and national policy
In the context of Internet connectivity, what is the purpose of interconnecting access ISPs?
To create a network of networks
Which technology is NOT mentioned as an access technology for connecting end systems to the Internet in the text?
Bluetooth
What type of entity can act as an access ISP according to the text?
University or company
Why is a mesh design connecting every access ISP directly to each other considered too costly?
It would require separate communication links between each access ISP and hundreds of thousands of other access ISPs worldwide.
In Network Structure 1, how are all the access ISPs interconnected?
Through a single global transit ISP.
What role does the global transit ISP play in the network structures discussed?
Provider for access ISPs
How does Network Structure 2 differ from Network Structure 1?
Network Structure 2 has multiple global transit ISPs, while Network Structure 1 has only one.
Why is it important for global transit ISPs to interconnect with each other?
To ensure that access ISPs connected to different global transit providers can communicate with each other.
Why do some regions have regional ISPs to which access ISPs connect?
To reduce the costs associated with connecting directly to global transit providers.
Test your knowledge on the various access technologies used by end systems to connect to the Internet, such as DSL, cable, FTTH, Wi-Fi, and cellular. Understand the role of access ISPs in providing wired or wireless connectivity to users.
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