$1)$ What is the difference between a host and an end system? List several different types of end systems. Is a Web server an end system?

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$2)$ The word protocol is often used to describe diplomatic relations. How does Wikipedia describe diplomatic protocol?

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$3)$ Why are standards important for protocols?

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$4)$ List four access technologies. Classify each one as home access, enterprise access, or wide$-$area wireless access.

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$5)$ Is HFC transmission rate dedicated or shared among users? Are collisions possible in a downstream HFC channel? Why or why not?

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$6)$ List the available residential access technologies in your city. For each type of access, provide the advertised downstream rate, upstream rate, and monthly price.

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$7)$ What is the transmission rate of Ethernet LANs?

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$8)$ What are some of the physical media that Ethernet can run over?

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$9)$ HFC$,$ DSL$,$ and FTTH are all used for residential access. For each of these access technologies, provide a range of transmission rates and comment on whether the transmission rate is shared or dedicated.

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$10)$ Describe the most popular wireless Internet access technologies today. Compare and contrast them.