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# CS601(DATA COMUNICATION) ASSIGNMENT NO 1:

Assignment No. 1

Semester: Fall 2014

Data Communication - CS601

Total Marks: 15

Due Date: 18/11/2014

Objective:

To have the understanding of routing using switches and WAN technologies.

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Assignment

Question No.1 (10 Marks)

Let us consider a computer network in which each computer has number of I/O ports equal to 8. In this network every device has dedicated point to point link to every other device. You are required to fill in the following table with correct answers:

 Number of computers Calculations ? ? Number of links for this network Calculations ? ?

Question No. 2 (5 Marks)

Write the correct Transmission Mode for each of the following hardware devices in the given table?

 Hardware devices Transmission mode Mouse ? Scanner ? Walkie-Talkie ? Telephone ? Fax Machine ?

Wish You All The Best

J

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### Replies to This Discussion

LETS START DISVUSSION

thanks

Can any 1 tell me ,.,. how many lectures this assignment covered? may be 1 to 6?

 Number of computers Calculations 9 I/O ports+1=No. of Computers 8+1=9 Number of links for this network Calculations 36 n(n-1)/2=? 9(9-1)/2=36

Number of computer=8

number of i/o ports = 8-1=7

AOA,

Can you please tell me that why you use the subtraction ... I am little bit confuse while using the right method ? Simple which one is right and which one is wrong

each computer has number of I/O ports equal to 8
It does not mean no. of computer equal to 8
so,8+1=9 and 9(9-1)/2=36

a.o.a ap ny n+1=no of computers ka formula kaha sy lia hai?plz tel me

lecture no.5

nice ,.,keep it up

thanks

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