BSc CS Sem 6 October 2025 October 2025 Wireless & Sensor Network Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2) Figures to the right indicate marks

1. Q3 Illustrations, in-depth answers and diagrams will be appreciated
2. Q4 Mixing of sub-questions is not allowed
3. Q1 Attempt ANY FOUR from the following: (20M)
   • (a) In what applications are WSNs commonly used?
   • (b) What are the advantages of using Wireless Sensor Networks?
   • (c) How does a WSN handle data aggregation?
   • (d) How do ad-hoc networks function in a WSN?
   • (e) What are the basic sensor network architectural elements?
   • (f) How can energy efficiency be optimized ina WSN?
4. Q2 Attempt ANY FOUR from the following: (20M)
   • (a) How does periodic sleep and listen operation work in S-MAC?
   • (b) Write short note on SPIN
   • (c) How can the routing protocols in WSNs address energy efficiency? What are the main challenges in routing for WSNs?
   • (e) Explain Low- Energy Adaptive Clustering Hierarchy. State its advantages
   • (f) How does the Sensor-MAC protocol reduce energy consumption in wireless
5. Q3 ANY FOUR from the following: (20M)
   • (a) What is the difference between Frequency Division Multiplexing (FDM) and
   • (b) Write short note on GEO
   • (c) What is the role of a protocol stack in telecommunications?
   • (d) How is DECT used in wireless communication?
   • (e) Give Mobile Service of GSM
   • (f) Write short note on Localization,
6. Q4 Attempt ANY FIVE from the following: (15M)
   • (a) How does TinyOS handle resource management in WSNs?
   • (b) Give the resource constrains sensor node have to face in WN operating
   • (c) Write short note on Spread Spectrum
   • (d) Enlist the factors to be consider while designing of transport protocol for
   • (e) Give the challenges in the design of middleware for WSNs
   • (f) Write short note on MEO

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