Hall Ticket No Question Paper Code: BCSB04
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech I Semester End Examinations (Regular) January, 2019
Regulation: IARE-R18
WIRELESS SENSOR NETWORKS
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Explain about Wireless Sensor Network Architecture with neat sketch.
Define Motes. Explain the components involved in mote architecture.
2. Discuss briefly about the various applications related to wireless sensor networks.
Write the importance of cross layer design in wireless sensor networks and explain it with neat
sketch.
UNIT II
3. Define Topology. Explain how to build topologies by considering example using ns3 simulator.

Illustrate different queues used in Network Simulator-3(NS3) with examples.
4. Define Simulation. How Network Simulator-3(NS3) is different from NS2?
Describe Network Simulator-3(NS3) modules and routing process with example.
UNIT III
5. Write any two medium access control protocols in WSN and explain with an example.
Explain discrete time Markov chain model with example.
6. Explicate asynchronous duty cycle and problems in that scheme.
Elucidate fixed access and random access methods in Medium Access Control Protocols(MAC).

UNIT IV
7. Discuss the counter measures in security with example.
Explain about static and dynamic key distribution of security.
8. Define attack. What are the different types of possible attacks? Explain them briefly.
Describe SPINS. Explain security protocols for sensor networks related to SPINS.
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UNIT V
9. Explain about resource-aware and broadcast routing protocols in wireless sensor networks.
Discuss about analysis of opportunistic routing in wireless sensor networks.
10. Define MANET. Explain the types of MANET protocols.
Summarize the operations and properties of LEACH protocol.