CS601 Data Communication Assignment No.1 Spring Semester 2013 Due Date 30 April 2013 Idea Solution
Objectives: To understand the fundamentals of network topologies and modes of communication.
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Question No 1: Marks 10
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.
Question No 2: Marks 10
A 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.