450_SampleQuestions_6

450_SampleQuestions_6 - EE 450 Sample Questions 6 Summer 09...

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1 EE 450 Sample Questions 6 Summer ’09 ● Nazarian 1. (100 points) Answer the following short questions a. Are both UDP and IP unreliable to the same degree? Why or why not? b. Do port addresses need to be unique? Why or why not? Why are port addresses shorter than IP addresses? c. What is the minimum size of UDP datagram and the packet encapsulating it? d. What is the maximum size of UDP datagram? e. Compare the TCP segment header and the UDP datagram header. List the fields in the TCP header that are missing from UDP header. Give the reason for their absence. f. What can you say about the TCP segment in which the value of the control field is the following? A. 000000 B.000001 C.010001 g. What is the maximum size of the TCP header? What is the minimum size of the TCP header? h. Show how a message of 68000 bytes can be transferred by using only one UDP datagram. i. If the value of HLEN is 0111 in TCP, how many bytes of option are included in the segment?
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450_SampleQuestions_6 - EE 450 Sample Questions 6 Summer 09...

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