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CHAPTER 11: Unicast Routing Protocols (RIP, OSPF)
In regard to routing tables:
There exist two kinds of routing tables, What are` they?
Provide the definition of each one.
Provide the definition and picture of Intra-domain routing and Inter-domain routing.
How can we determine if an IP packet is carrying an ICMP packet?
From the practice exercise section 11.12, page 331.
Exercise 6. Use 40 entries.
Exercise 19 & provide the routing table for node A
Exercise 20 & Provide the routing table for node B
Exercise 21 & Provide the routing table for node G
CHAPTER 13: Transport Layer
A sender sends a series of packets to the same destination using 4-bit sequence of numbers. If the sequence number starts with 0, what is the sequence number of the 120th packet?
Redraw figure 13.18 with 5 packets exchanged (0, 1, 2, 3, and 4). Assume that packet 3 is lost, and packet 2 arrives after packet 4.
Redraw figure 13.28 if the sender sends 5 packets(0, 1, 2, 3, and 4). Packets 0, 1, and 2 are sent and acknowledged in one single ACK, which arrives at the sender site after all packets have been sent. Packet 3 is received and acknowledged in a single ACK. Packet 4 is lost and resent.
CHAPTER 14: User Datagram Protocol
a.In cases where reliability is not of primary importance, UDP would make a good transport protocol. Give examples of specific cases;
Give two examples of specific cases where UDP will not be a good transport protocol to send data;
Show the entries for the header of a UDP user datagram that carries a message from a TFTP client to a TFTP server. Fill the check sum with 0s. Choose an appropriate ephemeral port number and the correct well-known port number. The length of data is 40 bytes. Show the UDP packet using the format in figure 14.2.
a. A client uses UDP to send data to a server. The data length is 16 bytes. Calculate the efficiency of this
transmission at the UDP level (ratio of useful bytes to total bytes).
b. Redo (a), calculating the…
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