Computer Networking 2020

                     Group B

Attempts any SIX Questions.                                                                                                                 [6x5=30]                                                                                           

2. Define protocols. Explain WWW and HTTP protocol.  [1+2+2]

3. Define transmission impairment. Explain the causes of impairments.  [1+4]

4. Define HDLC. Explain the HDLC frame formats.  [1+4]

5. Define IP Address. Specify IPv4 address classes with their address ranges. [1+4]

6. Define Subnetting. Suppose you are given network address: 192.168.10.0 and subnet mask: 255.255.255.240 then calculate total number of subnets and numbers of hosts per subnet.  [1+2+2]

7. Draw a User Datagram format. Explain UPD operations.  [2+3]

8. Write short notes on (Any Two):  [2.5+2.5]

    a) DNS

    b) Public Key Cryptography

    c) VPN

                     Group C

Attempt any TWO questions.                                                                                                                [2x10=20]

9. Critically analyze the OSI reference model.                         [10]

10. Explain the random-access protocols under the multiple access taxonomy.          [10]

11. Explain the IPv4 Header format in detail.                         [10]