Please read the instructions for assignments carefully and take the time to review your work.

And perhaps most importantly, show all of your work and/or fully explain your answers. It is difficult to provide partial credit without this included. Remember, all work should be original and in your own words and/or your sources should be properly cited.

Complete the following short answer questions:

1. How are the ephemeral port numbers generated and why are they called ephemeral?

2. In
HTTP response headers, what is the syntax of most lines (which are header fields)?

3. How would
TCP handle the problem if an acknowledgment was lost so that the sender retransmitted the unacknowledged
TCP segment, therefore causing the receiving transport process to receive the same segment twice?

4. You need to represent 2,049 different street names. How many bits will this take if you give each street a different binary number?

5. In Figure 2-14 (page 67 of the textbook):

a) What will be the value in the destination port number field if a packet arrives for the e-mail application?

b) When the
HTTP program sends an
HTTP response message to a client
PC, in what field of what message will it place the value 80?

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