Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January ECE 7th Sem 71925 Wireless Sensor Network Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech.(ECE) (2012 to 2017 E-III) (Sem.?7)
WIRELESS SENSOR NETWORK
Subject Code : BTEC-920
M.Code : 71925
Time : 3 Hrs. Max. Marks : 60
INST RUCT ION TO CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
Define Wireless sensor network.
2.
Define packet delivery ratio.
3.
What is contention based protocol?
4.
What is hybrid routing?
5.
List the component of sensor node.
6.
Define quality of service.
7.
Why cryptographic approach is not suitable for wireless sensor network?
8.
Write two examples of node level simulator.
9.
Explain two objectives of sensor node deployment
10. What is scalabity?
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( S 2 ) - 8 1 2
SECTION-B
11. Present an overview of localization in wireless sensor networks.
12. Appraise the quality of service related measures in wireless sensor networks.
13. How energy aware routing works?
14. Explain node architecture in detail.
15. Write short note on Berkeley motes.
SECTION-C
16. Explain Node level Simulators in detail with example.
17. Write short note on :
a) SPAN
b) ASCENT.
18. a) How power listening mode is used to conserve energy in B- MAC protocol?
b) How duty cycle approach is used to transit between listen state and sleep state in
S-MAC protocol?
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
2 | M - 7 1 9 2 5
( S 2 ) - 8 1 2
This post was last modified on 26 June 2021