HOMEWORK #6 – Week #6

 

 This homework assignment is worth 10% of your course grade and contains five 20–point problems.

 

 

Read each problem carefully. Failure to follow the instructions for a problem will result in a zero score for that problem.

 

 

Submit the completed Homework via Assignment in LEO.

 

 

 1.   Compare and contrast TCP and UDP.

 

 

 

2.   Since TCP is a connection oriented protocol what would you expect to see in 

           the TCP packet header that you would not see in a UDP header?

 

   

 

3.         What mechanism in TCP allows a user to run multiple browser windows to

           different web sites over the same TCP transport layer?

 

 

 

 

 

4.         The following is a dump (contents) of a UDP header in hexadecimal format.

 

                                    7E50 1AE1 006F C100

a. What is the source port number? ________

 

 

 

b. What is the destination port number? _________

 

 

 

c. What is the total length of the user datagram? _______

 

 

 

d. What is the length of the data? _________

 

 

 

Note: Do not forget that eight bits = one byte

 

 5.         The following is part of a TCP header dump (contents) in hexadecimal format.

 

D294  01BB  00000001 00000000  5012  00DF . . . . .

 

      a.   What us the source port number? ______

 

b.      What is the destination port number? ______

 

c.       What is the length of the header? ________

 

d.      What is the type of segment?  _________

 

e.       What is the window size?  ________