BCA 5th Semester
Computer Networking 2021 Board Question Paper

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Tribhuvan university

Bachelor In Computer Application

Course Title: Computer Networking

Code No: CACS 303

Semester:V

2021

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.

Explain TCP/IP Reference model.

3.

"Slotted ALOHA improves the performance of system over pure ALOHA". Justify.

4.

Differentiate between Reliable & Unreliable connection with their application.

5.

What is DNS? How it works?

6.

What is cryptography? Explain the principles of cryptography.

7.

What is TCP? Describe TCP segment header.

8.

Write short note on (Any Two):
a) Fragmentation
b) Channelization
c) VPN

Group C

Attempt any TWO questions

[2x10=20]
9.

Classify and calculate the total number of Networks and Hosts per network in IPV4.

10.

Explain the IPV4 Header format in detail.

11.

What is switching? Describe the types of switching with their advantages and disadvantages.