Computer Networks Question Paper - May 18 - Information Technology (Semester 4)

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yashbeer ★ 11k

Computer Networks - May 18

Information Technology (Semester 4)

Total marks: 80
Total time: 3 Hours INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.

1. Answer any FOUR from the following

1.a. What are the routing devices in computer network? Explain each of them in brief.

(5 marks) 9744

1.b Compare lossy with lossless data compression technique.

(5 marks) 9733

1.c List five nonproprietary Internet applications and the application-layer protocols that they use.

(5 marks) 9734

1.d Examine the advantages of LAN, WAN and MAN.

(5 marks) 9727

1.e Examine problems in Application Layer

(5 marks) 9728

2.a Explain TCP network model for network communication. Hence, choose a layer which is responsible for routing of packets.

(10 marks) 9738

2.b Explain Client-Server communication architecture.

(10 marks) 9732

3.a Create a shortest path between node A and D

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(10 marks) 9745

3.b What is IP? Explain IPv6 Header.

(10 marks) 9746

4.a Justify that the Stop-and-Wait protocol is not good for network communications.

(10 marks) 9737

4.b Justify Hamming Code is error detection and correction code.

(10 marks) 9756

5.a What is MACA? Explain by giving suitable example.

(10 marks) 9754

5.b What is carrier sense? Explain any one carrier sense protocol.

(10 marks) 9752

6. Answer any FOUR from the following

6.a Examine different types of ALOHA.

(5 marks) 9753

6.b What is broader gateway protocol(BGP) Explain BGP in brief.

(5 marks) 9740

6.c Why do HTTP, FTP, SMTP and POP3 run on top of TCP rather than on UDP?

(5 marks) 9739

6.d Compare various data flow control techniques.

(5 marks) 9755

6.e What is classful addressing? Explain difference classes of IP address.

(5 marks) 9747

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