MlSU Previous year paper

 BCA-S-303

                   Bca (III Semester) Examination, 2022-23

                                                                        MlSU Previous year paper

               Computer Communication and Network

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Part A

1. (i) What do you mean by Protocol?

    (ii)What is Lan?

(iii) Define Channel Capacity?.

(iv) Give Shannon Capacity formula?

(v) Explain Mbps?

(vi)  Define Ethernet?

(vii)  Name bit & byte oriented protocol?

(viii)  Define multiplexing?

(ix) Define ip Address?

(x)  Give full form of ARP & RARP?

Part B 

Unit I

2.  Discuss OSI Model?

OR

  

 3.   Discuss various inter-networking & networking devices?

Unit -II

4.  Define transmission media. Differentiate between connection oriented And connection transmission media?

OR

5.  Write Short note on the following:

     (i)  Asynchronous transmission 

     (ii) Half and full Duplex communication.

Unit -III

6.  Write Short note on the following:

     (i)  Media Access 

     (ii)  Various Ethernet Speed

OR

7. Discuss IEEE 802 standards.

Unit -IV

8.  Differentiate between Circuit switching and packet switching.

OR

9. Explain sliding Window protocol.

Unit -V

10.  Discuss ARP.

OR

11.  Describe IP Addressing and Subnetting.

Part C

12. Discuss TCP/IP Model.

13. (i)Explain NRZ. Bipolar, ASK  and FSK data encoding technique.

      (ii) Give comparative study of categories of cables.

14.  Write Short note on the following:

       (i) Token Ring

       (ii) FDDI 

       (iii) LAN Architecture

15.  Explain:

        (i)  Parity Check Algorithm

        (ii)  Go-back-NARQ

16.Discuss IPv4 and IPv6.

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