Hi,can you do the following questions in between two days.
i also need APA refrencing.
Question 1
Discuss why packet switched networks are used for data communication instead of circuit switched [3 marks].
Question 2
(Show your working and give a short explanation for each answer.)
An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP needs to distribute these blocks to 2600 customers as follows:[10 marks]
a. The first group has 200 medium-size businesses; each needs approximately 128 addresses.
b. The second group has 400small-size businesses; each needs approximately 16 addresses.
c. The third group has 2000 households; each needs 4 addresses
Design the sub blocks and give the slash notation for each sub block. Find out how many addresses are still available after these allocations.
Question 3
Consider the diagram below. Which of the two central routers (R1 and R2) is more critical for network operations and why? [3 marks]
-this question diagram i attached following
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Question 4
TCP opens a connection using an initial sequence number (ISN) of 14,534. The other party opens the connection with an ISN of 21,732.[10 marks]
a. Show the three TCP segments during the connection establishment.
b. Show the contents of the segments during the data transmission if the initiator sends a segment containing the message " Hello dear customer" and the other party answers with a segment containing " Hi there seller".
c.Show the contents of the segments during the connection termination
Question 5
Compare and contrast DCHP and the ICMP messages that were previously used for startup configuration. What are the advantages of DHCP that caused it to be the popular solution? [ 4 marks]
thanks