VTU Computer Networks and Security Past Paper PDF Feb/Mar 2022
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Uploaded by SweetPathos
Global Academy of Technology
2022
VTU
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Summary
This is a VTU past paper for Computer Networks and Security from February/March 2022. The paper contains questions about various networking and security concepts, including HTTP, FTP, SMTP, UDP, TCP, DNS, and more.
Full Transcript
## CBCS SCHEME USN ~~~~~~~~~~~ 18CS52 Fifth Semester B.E. Degree Examination, Feb./Mar. 2022 Computer Networks and Security Time: 3 hrs. Max. Marks: 100 Note: Answer any FIVE full questions, choosing ONE full question from each module. ### Module-1 1. a. Differentiate between: - HTTP and FTP...
## CBCS SCHEME USN ~~~~~~~~~~~ 18CS52 Fifth Semester B.E. Degree Examination, Feb./Mar. 2022 Computer Networks and Security Time: 3 hrs. Max. Marks: 100 Note: Answer any FIVE full questions, choosing ONE full question from each module. ### Module-1 1. a. Differentiate between: - HTTP and FTP - SMTP and HTTP - UDP and TCP (10 Marks) - Explain Cookies and Web Caching with diagram. (10 Marks) OR 2. a. Describe in detail the services offered by DNS and explain DNS message format. (08 Marks) - Compare HTTP and SMTP. (04 Marks) - Define Socket. Demonstrate the working of TCP-Socket. (08 Marks) ### Module-2 3. a. With the help of FSM, describe the two states of the sender side and one state of the receiver side of rdt2.0 (10 Marks) - With a neat diagram, demonstrate the working of Go-BACK-N protocol. (10 Marks) OR 4. a. Describe TCP connection management with help of diagram. (10 Marks) - Interpret the FSM to TCP congestion control. (10 Marks) ### Module-3 5. a. Explain the Implementation of virtual circuit services in Computer Network. (07 Marks) - Explain the three Switching Techniques. (06 Marks) - Explain Distance vector algorithm using three nodes network. (07 Marks) OR 6. a. Explain Dijkstra's algorithm with example. (10 Marks) - Explain various broadcast routing algorithms. (10 Marks) ### Module-4 7. a. Explain Feistel structure of DES Algorithm. (10 Marks) - Explain RSA Algorithm with an example. (10 Marks) OR 8. a. In the Diffie - Hellman key exchange protocol prove that the two keys k₁ and k₂ are equal. (10 Marks) - Discuss the following: - Secure Hash Algorithm - Firewalls. (10 Marks) ### Module-5 9. a. Explain briefly how DNS redirects a users request to a CDN server. (10 Marks) - With neat diagram explain the naïve-architecture for audio/video streaming. (10 Marks) OR 10. a. Write a short notes on: - Netflix video streaming platform - VOIP with Skype. (10 Marks) - With neat diagram explain the RTP header fields. (10 Marks) *****
