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Assignment No. 1
CS-601 Data Communication
Question No. 1
For six devices in a network, what is the number of cable links required for a
mesh, ring, and star and bus topology?
Answer:
Mesh Topology:
The numbers of cable links required for mesh topology are:
Number of devices = 6
Number of links = n (n-1)
=6 (6-1) = 30
Ring Topology:
The numbers of links required for ring topology are 6.
Star Topology:
The numbers of links required for star topology are 6.
Bus Topology:
The numbers of links required for bus topology are 6.
Question No. 2:
Draw a hybrid topology with a ring backbone connecting two bus backbones each
bus backbone connecting three star networks.
Answer:
The hybrid topology is as follows:
Question No.3:
Suppose we want to build a small network in school building, which topology you
will prefer and why? Explain your answer with solid reasons.
Answer:
To build a small network in school building, star topology is best because it is
fast and efficient. There are some reasons to choose this topology describes as:
1. Easy to install
2. Easy to maintain as compare to other technologies
3. Lower cost
4. Take less time than other topologies
5. If one device is down then whole network is not down, remaining devices
keep communicating with each other.