NPTEL INTRODUCTION TO INTERNET OF THINGS , ANSWERKEY OF WEEK 4 QUIZ (ASSIGNMENT)
Assignment 4
Due date: 2021-02-17, 23:59 IST.
Assignment not submitted
1) The main goal of human centric sensing is
a. To sense data only
b. To restrict the people to access data
c. To collect data and allow people to access data and share knowledge
d. To collect data and restrict people to access data and share knowledge
e. All of the above
ans) e.) All of the above
2) Seamless and connection management falls under ----------- entity of M2M service platform
a. M2M access platform
b. M2M user platform
c. M2M application platform
d. Both a and c
ans) c) M2M application platform
3) which of the following is a constraint of UAV network
a. prone to environmental effects
b. changing topology
c. frequent link breakages
d. all of the above
ans) d) all of these
4) The popular optimal geographical density control algorithm falls under which category of area coverage algorithm
a. centralized and localized
b. centralized and distributed
c. distributed and localized
d. None of these
ans) c) distributed and localiz ed
5) --------------- follows the trail of the target and intercepts the target in guided type target tracking problem formulation in sensor network
a. beacon node
b. detecting node
c. tracker
d. both (a) and (b)
ans) c) tracker
6) which of the following is the challenge in human centric sensing
a. participant selection
b. privacy of users
c. energy of devices
d. all of the above
ans) d) all of the above
7) machine to machine is designed for
a. cross platform integration
b. isolated systems using proprietary solution
c. both (a) and (b)
d. none of the above
ans) a) cross platform integration
8) In cluster-based tracking algorithm ,the "cluster head" is responsible for collecting data, of its cluster and then perform data fusion. what is another name for "cluster head"?
a. anchor
b. master node
c. locator
d. none of the above
ans) d) none of the above
9)which of the following is NOT true?
a. In stationer wireless sensor networks, the topology maintenance is easy
b. In stationer wireless sensor networks, node failure do not result in partition of network
c. The topology cannot be changed automativcally , in stationer wireless sensor networks
d. none of the above is false
ans) b.) In stationer wireless sensor networks, node failure do not result in partition of network
10) Is a star topology based on UAV network self-configuring?
a. yes
b. no
ans) b) no
11) In Optimal Geographical Density Control (OGDC) algorithm, the starting node broadcasts a message containing-------
a. ideal angle
b. random direction
c. both (a) and (b)
d. ideal direction
ans) d) ideal direction
12) What does FANET stand for?
a. Flying Ad Hoc network
b. Free Ad Hoc network
c. Fully autonomous Ad Hoc network
d. Fully mobile Ad Hoc network
ans) a.) Flying Ad Hoc network
13) The passive infrared sensor in wireless sensor networks is used for
a. detects the object
b. sense motion of the object
c. detects emitted infrared energy from objects
d. all of the above
ans) d.) all of the above
14) The k barrier coverage algorithm ensures that a particular barrier is covered by ------- sensors
a. at least (k-1) sensors
b. at max k sensors
c. at max (k-1) sensors
d. at least k sensors
ans) d.) at least k sensors
15) What does SCADA stand for ?
a. Supervisory control and data acquisition
b. sensor control and data acquisition
c. sensor control and data assessment
d. supervisory control and data assessment
ans) a). Supervisory control and data acquisition
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