Tribhuvan University
Bachelor of Computer Application
Semester 5 · TU Board 2020
Course Title: Computer Networking (CACS303)
Full Marks: 60Pass Marks: 24Time: 3 hours
Candidates are required to answer the question in their own words as far as possible.
Group B
Attempt any SIX question.(6 × 5 = 30)
- 2.5
Define protocols. Explain WWW and HTTP protocol.
- 3.5
Define transmission impairment. Explain the causes of impairments.
Answer comingAlso asked in 2022
- 4.5
Define HDLC. Explain the HDLC frame formats.
- 5.5
Define IP Address. Specify IPv4 address classes with their address ranges.
Answer comingAlso asked in 2023
- 6.5
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.
Answer comingAlso asked in 2023
- 7.5
Draw a User Datagram format. Explain UDP operations.
- 8.5
Write short notes on (Any Two): a) DNS b) Public Key Cryptography c) VPN
Group C
Attempt any TWO questions(2 × 10 = 20)
- 9.10
Critically analyze the OSI reference model.
- 10.10
Explain the random-access protocols under the multiple access taxonomy.
- 11.10
Explain the IPv4 Header format in detail.
Answer comingAlso asked in 2021
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