CS601 Assignment No. 1 Solution 2

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Question No 1:

Suppose there is a network of 6 computers and 2 printers and they are connected to each other through mesh topology. You are required to calculate the number of possible links in the network. Also explain that how can point to point links make fault identification easy in mesh topology? Justify your answer with proper reasoning in 4 to 5 lines.
Answer:
The total number of cables that is Required is one les then 8(8-1)/2 Because in my thinking Printers Dont Require Point to Point Connection Between them or in simple words It is Not necessary to connect two printers with each other. So The total Number of cables will b 28-7 which is 27

Point to Point. Start to Finish. A to B. If there's a fault, it can only be in one of two places. Makes it kinda easy to narrow down and find the problem.

Question No 2:

Q(2) distance learning university updated its exam schedule. Students are notified about this updating by using the following types of communication:

1) Announcement on university’s website.
2) Sending e-mail to every student.
3) Sending SMS/text on every student’s cell phone.
4) By making a call on every student’s cell phone.
5) Displaying notification by the newspaper.


a) Identify each of the above types as simplex, half duplex and full duplex.
b) According to the given scenario, which communication mode (simplex, half duplex, full duplex) is more effective? Discuss with proper reasoning.
Answer:
Part (A)
(1) Announcement on university’s website Is Simplex
(2) Sending e-mail to every student. Is Half Duplex
(3) Sending SMS/text on every student’s cell phone. Is Half Duplex
(4) By making a call on every student’s cell phone. Is Full Duplex
(5) Displaying notification by the newspaper. Is Simplex
Part (B)
Simplex Mode is Good for this purpose to inform the student about the exam schedule we will just update the notic board or make Announcement on newspaper. Using Full Duplex or Half Duplex like making call on every student cell phone or sending sms is not necessary because we don’t need any reply form the student we just need to inform them Mean One way messaging Which is Simplex Mode Where One person send and other receives and he cannot send back As mention in the scenario Student Just Needs to be notifi about the exam schedule and that can be.
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