CS601 Assignment 1 Solution 2021 - Data Communication Assignment

CS601 Assignment 1 Solution Spring 2021. Download CS601 Data Communication Assignment 1 Solution 2021.

CS601 ASSIGNMENT 1 SOLUTION SPRING 2021

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Question No. 1

Suppose a company has two different networks under its “HR” and “Marketing” departments. The HR department has 10 computers connected to each other through a dedicated separate link whereas the Marketing department has 15 computers connected to each other through a central hub. Both departments make frequent intra-department and inter-department exchanges of data on daily basis.

Considering the above scenario, answer the following questions:

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SOLUTION:

Question	Your Answer
Type of network topology used in HR department?	Mesh Topology
Type of network topology used in Marketing department?	Star Topology
What would be the number of required links for the network in HR department?	N(N-1)/2= 45
Which of these networks will be faster, efficient, and reliable?	Mesh Topology
Which of the networks will be more cost effective?	Star Topology

Question No. 2

The following table contains 3 columns. OSI Layer column represents the name of the OSI layer. Feature column represents some information associated with the OSI layers. However, the information given in column Feature might not be correctly mapped to its corresponding layer in the column OSI Layer.

You are required to carefully analyze both columns and place the correct feature against its associated OSI layer in the column Correct Mapping:

SOLUTION:

OSI Layer	Feature	Correct Mapping
Presentation Layer	Network Media	Encryption
Application Layer	Physical Addressing	Internet Browser
Physical Layer	Internet Browser	Network Media
Data link	Router	Physical Addressing
Network Layer	Encryption	Router