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Assignment No. 03
Semester: Spring 2015 Introduction to Computing - CS101 |
Total
Marks: 10
Due
Date: 27/07/2015
|
Question No 1:
Marks
10
Assignment Scenario:
Suppose that XYZ Pvt.
Ltd is an IT vendor and Service Provider company located
in ISLAMABAD. There are five offices of this company; Office A, Office B, Office C, Office D and Office E in
the city at different locations. These
offices work together as a network to provide IT products and IT services to
customers on their demands.
These offices
are connected together through a certain network topology that allows them to
communicate with each other through a central node. For example, Office A (node 1) sends some information regarding a certain product
to Office E (node 5) which is 30
Km away from Office A. This information is received first at
central node which is Office C
from where information is forwarded (transmitted) to the requested Node Office E. Likewise
all the nodes communicate to each other through Office C.
Based on the given scenario, you are required to answer the following
questions.
Question No. 1
2
Marks
In your opinion, which network
topology is being used in order to fulfill the communication needs of the Offices
(A, B, C, D and E) in the given scenario?
Solution: According to the given scenario Star topology is used
because only central hub is used to communicate with each other through a
central node!
Question No.2
4 Marks
After suggesting the correct
topology for the given scenario , you have to highlight
Solution :
Benefits of using the Star topology
1) Easy to connect new
nodes or devices. In star topology new nodes can be added easily without
affecting rest of the network. Similarly components can also be removed
easily.
2) Centralized management. It helps in monitoring the network. 3) Failure of one node or link doesn’t affect the rest of network. At the same time its easy to detect the failure and troubleshoot it
Two possible
problems faced by all offices in exchange of information (communication)
1) Too much dependency on central device
has its own drawbacks. If it fails whole network goes down.
2) The use of hub, a router or a switch as central device increases the overall cost of the network. 3) Performance and as well number of nodes which can be added in such topology is depended on capacity of central device.
Question No.3
4 Marks
You are required to draw network
topology diagram for the given scenario. You can use rectangle for nodes and
arrows for communication in the diagram.
Solution:
 |
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Tuesday, July 21, 2015
cs101 assignment 3 solution
|
Assignment No. 03
Semester: Spring 2015 Introduction to Computing - CS101 |
Total
Marks: 10
Due
Date: 27/07/2015
|
Question No 1:
Marks
10
Assignment Scenario:
Suppose that XYZ Pvt.
Ltd is an IT vendor and Service Provider company located
in ISLAMABAD. There are five offices of this company; Office A, Office B, Office C, Office D and Office E in
the city at different locations. These
offices work together as a network to provide IT products and IT services to
customers on their demands.
These offices
are connected together through a certain network topology that allows them to
communicate with each other through a central node. For example, Office A (node 1) sends some information regarding a certain product
to Office E (node 5) which is 30
Km away from Office A. This information is received first at
central node which is Office C
from where information is forwarded (transmitted) to the requested Node Office E. Likewise
all the nodes communicate to each other through Office C.
Based on the given scenario, you are required to answer the following
questions.
Question No. 1
2
Marks
In your opinion, which network
topology is being used in order to fulfill the communication needs of the Offices
(A, B, C, D and E) in the given scenario?
Solution: According to the given scenario Star topology is used
because only central hub is used to communicate with each other through a
central node!
Question No.2
4 Marks
After suggesting the correct
topology for the given scenario , you have to highlight
Solution :
Benefits of using the Star topology
1) Easy to connect new
nodes or devices. In star topology new nodes can be added easily without
affecting rest of the network. Similarly components can also be removed
easily.
2) Centralized management. It helps in monitoring the network. 3) Failure of one node or link doesn’t affect the rest of network. At the same time its easy to detect the failure and troubleshoot it
Two possible
problems faced by all offices in exchange of information (communication)
1) Too much dependency on central device
has its own drawbacks. If it fails whole network goes down.
2) The use of hub, a router or a switch as central device increases the overall cost of the network. 3) Performance and as well number of nodes which can be added in such topology is depended on capacity of central device.
Question No.3
4 Marks
You are required to draw network
topology diagram for the given scenario. You can use rectangle for nodes and
arrows for communication in the diagram.
Solution:
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