Answer the question please clearly.

[2 points] If all the links in the Internet were reliable, would the TCP reliable delivery service be redun-

dant? Why or why not?

2. [2 points] If you are to develop an application that sends high quality images from one end to another,

would you prefer TCP or UDP? Explain, why you have selected that protocol (TCP/UDP)? Put some

strong arguments.

3. [2 points] In the rdt protocols described in class (and covered in textbook Section 3.4) what is the

purpose of sequence numbers and of timers.

4. [4 points] UDP and TCP use 1s complement for their checksum. Suppose you have the following three

8-bit bytes: 01010011, 01100110, 01110111. What is the 1s complement of the sum of these 8-bit bytes?

Why is it that UDP takes the 1s complement of the sum: that is, why not just use the sum? With

the 1s complement scheme, how does the receiver detect errors? Is it possible that a 1-bit error will go


5. [5 points] List all possible Congestion Control mechanism considering the following image and explain

all of them in detail.(see the attachment )

Looking for solution of this Assignment?


We deliver quality original papers

Our experts write quality original papers using academic databases.  

Free revisions

We offer our clients multiple free revisions just to ensure you get what you want.

Discounted prices

All our prices are discounted which makes it affordable to you. Use code FIRST15 to get your discount

100% originality

We deliver papers that are written from scratch to deliver 100% originality. Our papers are free from plagiarism and NO similarity

On-time delivery

We will deliver your paper on time even on short notice or  short deadline, overnight essay or even an urgent essay