BCA 5th Semester
Computer Networking 2020 Board Question Paper

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Tribhuvan university

Bachelor In Computer Application

Course Title: Computer Networking

Code No: CACS 303

Semester:V

2020

Full Marks:60 Pass Marks:24 Time:3 hours

Candidates are required to answer the question in their own words as far as possible.

Group A
Group B
Attempt any SIX question.
[6x5=30]
2.

Define protocols. Explain WWW and HTTP protocol.

3.

Define transmission impairment. Explain the causes of impairments.

4.

Define HDLC. Explain the HDLC frame formats.

5.

Define IP Address. Specify IPv4 address classes with their address ranges.

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 number of hosts per subnet.

7.

Draw a User Datagram format. Explain UDP operations.

8.

Write short notes on (Any Two):
a) DNS
b) Public Key Cryptography
c) VPN

Group C

Attempt any TWO questions

[2x10=20]
9.

Critically analyze the OSI reference model.

10.

Explain the random-access protocols under the multiple access taxonomy.

11.

Explain the IPv4 Header format in detail.