CS206 Assignment 1 Solution and Discussion


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                         Assignment No. 01
                        Semester: Fall 2019
    

    CS206: Introduction to Network Design & Analysis Total Marks: 10

    Due Date: 14/11/2019

    Instructions:
    Please read the following instructions carefully before submitting assignment:
    You need to use MS word document to prepare and submit the assignment on VU-LMS.
    It should be clear that your assignment will not get any credit if:

     The assignment is submitted after due date.
     The assignment is not in the required format (.doc or docx)
     The submitted assignment does not open or file is corrupt.
     Assignment is copied (partial or full) from any source (websites, forums, students, etc)

    Objectives:

    To enhance the learning capabilities of the students about:

    • Ethernet LAN
    • Virtual LAN
    • MAC addressing

    Assignment

    Scenario

    A university has a small network infrastructure to support its routine operations which are divided among different departments like Administration, Registration, Examination, Finance, IT and Academics. A switch has been deployed to connect all the systems of these departments to a single broadcast domain. Considering the above-mentioned scenario, you are required to answer the following:

    Question 1:

    a) If a packet is received by a system in Examination department, how would the switch will decide that the packet is either unicast or broadcast?

    b) If a broadcast packet is generated by a system in Finance department, which system(s) will not receive this broadcast packet?

    Solution:

    Question 2:

    In continuation of the scenario given in Q. No. 1, the university administration decides to secure the two departments (finance and examination) by connecting these on a separate LAN named as LAN B. So, network department can deploy a separate switch to connect all the systems of these departments.
    Now there are total two LANs in this university, LAN A and LAN B. LAN B consists of finance and examination departments. LAN A consists of all remaining departments excluding finance and examination.

    a) If there is no trunk between the two LANs and a broadcast packet is generated by a system in Finance department; which system(s) will not receive this broadcast packet?
    b) As a network professional, what approach will you suggest to the network department to enable the communication among both LANs without bearing any extra cost?

    Solution:

    Best of Luck!



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