Assignment 3 Due Date: 15th April, 2016 Total Marks = 4 Note: Please submit your answers in Microsoft Word format only. Each question is of 1 mark....

Provide the first and last IP addresses for each of the above subblock. Briefly explain each of your answer.

Question 2.

a) Why did the Internet need the IP protocol?

b) What is fragmentation? Why is it needed?

Question 3.

(i). What should be the flag value to indicate the last fragment?

(ii). If the value in protocol field is 17, which transport layer protocol is used?

(iii).Which field OF datagram helps to check rearrangement of the fragments?

(iv). The TTL field has value 10. How many routers (max) can process this datagram?

Question 4. Create the shortest path tree and the forwarding table for node B in the following figure.

see the attachment to see all question including the figure in the last question.