Tribhuvan University
Bachelor of Science in Computer Science and Information Technology
Semester 4 · TU Board 2080
Course Title: Computer Networks (CSC263)
Full Marks: 60Pass Marks: 24Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Group A
Attempt any two questions.(2 × 10 = 20)
- 1.10
What is classless addressing? Explain distance vector routing with a suitable example.
Answer comingAlso asked in 2080, 2079, 2078, Model question
- 2.10
What is flow control? How does stop-and-wait ARQ protocol handle error? Where does this protocol reside in OSI layer?
Answer comingAlso asked in 2080
- 3.10
Explain TCP header with a neat diagram. Highlight on its uses.
Answer comingAlso asked in 2080
Group B
Attempt any eight questions.(8 × 5 = 40)
- 4.5
What do you understand by packet switching? Explain. What are its advantages and disadvantages?
- 5.5
Explain different types of network types.
- 6.5
Suppose you are given an IP address 172.16.0.0, perform subnetting and divide the given network into 2 subnets. Calculate total number of hosts that can be configured, range of the IP addresses.
Answer comingAlso asked in 2080
- 7.5
Differentiate between link state and distance vector routing.
Answer comingAlso asked in 2080, 2079, 2078, Model question
- 8.5
What is socket programming? Explain tocket bucket algorithm with an example.
- 9.5
Differentiate between IMAP and POP3. Explain SNMP.
- 10.5
Explain the architecture of NGN.
- 11.5
Highlight on the use of PPP. What are the functions of Media Access Control.
- 12.5
Write short notes on:
a) IPV6
b) Microwave
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