Answer the following questions: 1. What are some of the possible services that

Answer the following questions:
1.
What are some of the possible services that a link-layer protocol
can offer to the network layer? Which of these link-layer services have
corresponding services in IP? In TCP? 2.
Compare the frame structures for 10BASE-T 100BASE-T and Gigabit
Ethernet. How do they differ? 3.
According to Figure 5.14 in the textbook which node B or D
first realizes a collision has happened? 4.
If Bs packet is addressed to A does A realize that a collision
has happened? Please explain. What is the jamming signal and who is going to
generate it? 5.
Draw a graph scenario where a collision does happen yet only A
manages to receive the whole packet. 6.
Draw a graph scenario where a collision does not happen
altogether. 7.
What would happen if the backoff is not exponential? Give an
example.
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