B.TECH - Semester 8 computer networks Question Paper 2019 (nov)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- 805.2 : COMPUTER NETWORKS(E) Time : 3 Hours Max. Marks : 100 Answer all questions. All questions carry equal marks.
- Give some uses of computer networks.
- Differentiate between interfaces and services.
- Explain why channel allocation is required? What are the two general methods of channel allocation?
- Briefly explain any two methods for error detection.
- Explain CSMA protocol.
- What are the functions of network layer?
- List any four well known ports used by TCP and mention its function.
- Describe the flags used by TCP in the control field of its header.
- What are the four flow characteristics?
- List out any four service primitives for implementing a connection oriented service. Answer any one full questions from each Module.
- (a) What are the two different types of transmission technologies used in Computer networks. Evaluate the performance of both. 10
- (b) Explain the key design issues to be considered for layers in computer network.
- (a) Differentiate between connection- oriented and connection-less services. 5
- (b) Describe the TCP/IP protocol suite in detail. 15 Module - II
- (a) Explain the IEEE 802.3 LAN standard in detail. 12
- (b) Describe the simplex protocol used for a noisy channel in detail.
- Analyze and evaluate the various multiple access protocols used by the MAC sublayer. 20
- (a) Explain link state routing algorithm with a neat sketch. 10
- (b) With an example, explain hierarchical routing. 10
- What do you mean by congestion control? Explain any five techniques used for congestion control. 20
- (a) Explain User Datagram Protocol in detail. 10
- (b) Explain public key cryptography algorithm. $\mathbf{1 0}$ OR
- Write short notes on the following: (a) IPv6
- Write short notes on the following: (b) DNS
- Write short notes on the following: (c) WWW ( $\mathbf{4} \boldsymbol{\times} \mathbf{5} \boldsymbol{=} \mathbf{2 0}$ Marks) ( $\mathbf{4} \boldsymbol{\times} \mathbf{2 0} \boldsymbol{=} \mathbf{8 0}$ Marks)