NPTEL Introduction To Internet Of Things Assignment 4 Answers 2023:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
NPTEL Introduction To Internet Of Things Week 4 Assignment Answers 2023
1. State whether the following statement is true or false. Statement: Coverage in WSN is defined as the area-of-interest is covered satisfactorily.
a. True
b. False
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2. If transmission range >= 2* sensing range,
a. Coverage implies greater coverage
b. Coverage implies connectivity
c. Both (a) and (b)
d. None of these
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3. The two types of reporting in WSN are –
a. Event driven and machine driven
b. Event driven and weather driven
c. Event driven and on demand
d. None of these
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4. The objective of coverage in WSN is to use a ___ number of sensors and ___ the network lifetime.
a. minimum, minimize
b. minimum, maximize
c. maximum, minimize
d. maximum, maximize
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5. Select the correct option.
The disadvantages of stationary Wireless Sensor Networks are –
Statement-I: Node failure may result in partition of networks.
Statement-II: Topology cannot change automatically.
a. Statement-I True, Statement-II False
b. Both Statements are False
c. Both Statements are True
d. None of these
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6. A _____ in MWSN moves in order to collect data from sensor nodes and goes to the sink and delivers the collected data from different sensor nodes.
a. Drop
b. Molecule
c. Mule
d. None of these
Answer :-
7. ____ allows distributed sensing carried by humans and the goal is not just to collect data but to allow the common people to assess and share the knowledge.
a. Voluntary sensing
b. Compressive sensing
c. Dynamic sensing
d. Participatory sensing
Answer :-
8. Which of the following is/are NOT feature/features of UAV networks?
a. Mesh or star networks
b. Multi-tasking
c. Large coverage area
d. None of these
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9. Which of the following is NOT a UAV network constraint?
a. Frequent link breakages
b. Prone to malfunction
c. Very Complex
d. None of these
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10. In _________ configuration, UAVs form multiple star topology. One node from each group connects to the ground station.
a. Multi-star
b. Ring
c. Both (a) and (b)
d. None of these
Answer :-
11. The full form of FANET is?
a. Flying Ad Hoc Network
b. Fast Ad Hoc Network
c. Fidelity Ad Hoc Network
d. None of these
Answer :-
12. Low-end sensor nodes are those-
a. Whose deployment has high density in order to increase network lifetime and survivability.
b. Who perform basic functions such as data aggregation, auto configuration, and power saving.
c. Both (a) and (b)
d. None of these
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13. Which of the following are the components of the M2M ecosystem?
a. Trees
b. Ocean
c. Device Providers
d. Non-service users
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14. State whether the following statement is true or false
Statement: The M2M Device Platform enables access to objects connected to the Internet anywhere any time.
a. True
b. False
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15. State whether the following statement is true or false
Statement: The M2M Application Platform provides integrated services based on device collected data-sets.
a. True
b. False
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NPTEL Introduction To Internet Of Things Assignment 4 Answers [July 2022]
1. Which of the following UAV topology is self-configuring?
a. Mesh
b. Star
C. Both mesh and star
d. Grid
Answer:- c
2. In WMSNs application, which of the following deployment can provide better sensing and prolong network lifetime?
a. Scalar sensor nodes
b. Camera sensor nodes
c. Both scalar and camera sensor nodes
d. Vector sensor nodes
Answer:- c
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3. In which of the following algorithms only a subset of nodes in the WASN participate in sensing, communication, and computation?
a. Localized
b. Distributed
c. Centralized
d. All of these
Answer:- a
4. In general, the target-tracking problem consists of a WSN, whose nodes are strategically or randomly deployed across the sensor field. Is the statement true?
a. Yes
b. No
Answer:- a
5. In Ad-Hoc FANETs, which of the following set-up can be considered as ground network?
a. Stationary WSNs
b. Control stations
c. VANETS
d. All of these
Answer:- d
6. Which of the following components in M2M monitors the status of devices and M2M area networks, and controls them based on their status?
a. M2M User Platform
b. M2M Device Platform
c. M2M Service Platform
d. M2M Access Platform
Answer:- b
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7. In the guided target-tracking problem formulation, a tracker is added to the problem. The tracker follows the trajectory defined by beacon nodes to intercept the target. Which of the following objectives best define this tracking algorithm?
a. to fuse data about the target
b. to use the least amount of communication to reach the target
c. to reach the target in the shortest possible time
d. to increase the network lifetime
Answer:- c
8. In gateway selection algorithm in FANETs, each UAV acquires the information of all UAVs within its hop(s).
a. One
b. Two
c. More than one
d. Can’t be specific
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9. A crossing is covered if it is in the ___________________ region of at least one node’s coverage disk.
a. exterior
b. interior
c. either exterior or interior
d. boundary
Answer:- b
10. There are several major challenges related to target-tracking applications. Which of the following is NOT among those challenges?
a. target recovery
b. node non-cooperation
c. future-position estimation
d. energy management
Answer:- b
11. Which of the following components in M2M manages inquiry?
a. M2M User Platform
b. M2M Device Platform
c. M2M Service Platform
d. M2M Access Platform
Answer:- a
12. Which of the following is NOT regarded as one of the major scatters of underwater sound in Underwater Acoustic Sensor Networks?
a. Non-linear internal waves
b. Solitons
c. Linear internal waves
d. None of these
Answer:- c
13. In Optimal Geographical Density Control (OGDC) algorithm, a node if its coverage area is completely covered.
a. wakes up
b. starts listening
c. sleeps
d. backs off
Answer:- c
14. Which of the following elements of target-tracking algorithm can perform data fusion?
a. Active node
b. Inactive node
c. Beacon node
d. Sink node
Answer:- d
15. Which of the following components of Mobile Wireless Sensor Networks (MWSN) moves in order to collect data from sensor nodes?
a. Mobile sensor node
b. Data mule
c. Mobile sink
d. Both data mule and mobile sink
Answer:- d
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NPTEL Introduction To Internet Of Things Assignment 4 Answers 2022 {Jan 2022}
Q1. Which of the following M2M node types have no IP support?
a.Low-end sensor nodes
b.Mid-end sensor nodes
c.High-end sensor nodes
d.All of the above
Answer:- a.Low-end sensor nodes
Q2. Which of the following is TRUE for wireless sensor networks if transmission range ≥ 2* sensing range?
a. Only coverage
b. Only connectivity
c. Coverage implies connectivity
d. Connectivity implies coverage
Answer:- c. Coverage implies connectivity
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Q3. Which of the following structure is usually used in guided formulation of target tracking in sensor networks?
a. Face
b. Tree
c. Cluster
d. All of the above
Answer:- a. Face
Q4. Which of the following is NOT a characteristic of UAV networks?
a. Intermittent link nature
b. Static network topology
c. Dynamic relative position of UAVs
d. None of the above
Answer:- b. Static network topology
Q5. Which of the following is a challenge in human-centric sensing?
a. Device lifetime
b. Participant selection
c. Privacy of users
d. All of the above
Answer:- d. All of the above
Q6. Which of the following components in M2M Service Platform takes care of App management and App searching?
a. Device
b. User
c. Application
d. Access
Answer:- d. Access
Q7. In distributed coverage algorithm, nodes compute their position by communicating with _________________________.
a. Central node
b. Sink node
c. Neighbors only
d. None of the above
Answer:- c. Neighbors only
Q8. In multi-star UAV network topology, _______ node(s) from each group connects to the ground station.
a. Zero
b. One
c. More than one
d. All
Answer:- b. One
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Q9. Electromagnetic communication in nanonetworks takes place in _________ frequency band.
a. GHz
b. THz
c. Nanometer
d. All of the above
Answer:- b. THz
Q10. Which of the following is NOT a property of Mobile Ad Hoc Network?
a. Self-Collaborate
b. Self-Heal
c. Self-Protect
d. Self-Optimize
Answer:- a. Self-Collaborate
Q11. Which of the following layers seamlessly integrate IP network with M2M area network in a non-IP based M2M network?
a. Application layer
b. Transport layer
c. Network layer
d. Physical layer
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Q12. While maintaining sensing coverage in sensor networks, a crossing is covered if it is in the interior region of _____________ one node’s coverage disk.
a. At most
b. Only
c. At least
d. More than
Answer:- c. At least
Q13. Which of the following UAV network topology is decentralized?
a. Star
b. Infrastructure mesh
c. Ad hoc mesh
d. None of the above
Answer:- c. Ad hoc mesh
Q14. Can node failure result in partition of networks in mobile wireless sensor networks?
a. Yes
b. No
c. Not Applicable
Answer:- b. No
Q15. Which of the following is TRUE for high-end sensor nodes in M2M node types?
a. High density deployment
b. Unable to handle multimedia data
c. Mobility is essential
d. All of the above
Answer:- c. Mobility is essential
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NPTEL Introduction To Internet Of Things Assignment 4 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
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