B.TECH - Semester 7 computer networks Question Paper 2020 (sep)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- What are the various advantages of layered network architecture?
- Compare and contrast connection oriented and connectionless services.
- Define bridges. Compare and contrast source routing bridges and transparent bridges.
- Define Flow control. Mention few flow control mechanisms adopted in Data Link layer.
- What are the limitations of wireless network?
- Which layer is responsible for routing in OSI architecture? State the major classification of routing algorithms?
- Define QoS? Mention the various QoS parameters.
- What are the advantages of IPV6?
- List any two Mail Access protocols? How do they differ?
- Why HTTP, FTP and SMTP run on top of TCP rather than on UDP? ( $\mathbf{1 0} \boldsymbol{\times} \mathbf{4} \boldsymbol{=} \mathbf{4 0}$ Marks) P.T.O. Answer any one question from each module.
- (a) Explain in detail the functions of OSI network architecture with a neat diagram. Compare it with TCP/IP architecture. 10
- (b) Explain in detail the how CRC technique is used for detecting errors in the transmitted data? OR
- (a) What is meant by topology and explain the different topologies of a computer network?
- (b) Explain in detail the HDLC frame format with a neat sketch.
- (c) Explain MAN and WAN networks.
- (a) Explain the working principle of IEEE 802.3 Ethernet LAN. 10
- (b) Describe the Link state routing algorithm in detail. 10
- (a) Elaborate in detail the Leaky bucket algorithm with their merits. 10
- (b) What are high speed LANs? Write short notes on Gigabit Ethernet LAN. 10
- (a) Describe the IPv4 packet header format with a neat sketch? ..... 10
- (b) What is ARP? Describe how address translation take place using ARP? ..... 10
- (a) Describe in detail how the connection is established and terminated in TCP using handshaking mechanisms?10
- (b) Describe the types of DNS servers and the interaction among them for IP address lookup process?10 ( $\mathbf{3} \boldsymbol{\times} \mathbf{2 0} \boldsymbol{=} \mathbf{6 0}$ Marks)