- 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?
- Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R. Denote the propagation delay between the two nodes as dprop. Will there be a collision if dprop < L/R? Why or why not?
- Why is an ARP query sent within a broadcast frame? Why is an ARP response sent within a frame with a specific destination MAC address?
- Explain what is the Exponential Binary Back-off algorithm used by Ethernet.
- Where can you find the 802.1Q VLAN tag in the Ethernet frame format?
Monday, April 14, 2014
Easter homework
Just to keep you busy during the holidays. Homework is due May, 2nd.
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