NPTEL Introduction To Internet Of Things Assignment 3 week 3 Answers 2023:- In this post, We have provided answers of Introduction To Internet Of Things Assignment 3. We provided answers here only for reference. Plz, do your assignment at your own knowledge.
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NPTEL Introduction To Internet Of Things Week 3 Assignment Answers 2023
1. State whether the following statement is true or false.
Statement: Wired HART lacks a network layer.
a. True
b. False
Answer :- For Answer Click Here
2. The HART physical layer is derived from _ protocol and operates only in ___ GHz ISM band.
a. IEEE 802.15.4, 2.4
b. IEEE 802.15.4, 4.8
c. IEEE 802.16.5, 4.8
d. None of these
Answer :-
3. State whether the following statement is True or False
Statement: Super-frames in HART consist of grouped 20ms wide timeslots.
a. True
b. False
Answer :- For Answer Click Here
4. _____ identifies channels consistently affected by interference and removes them from use.
a. Channel hopping
b. Channel aggregating
c. Channel blacklisting
d. Frequency aggregating
Answer :-
5. The _____ supervises each node in the network and guides them on when and where to send packets.
a. Application manager
b. Network manager
c. Trust manager
d. None of these
Answer :-
6. NFC is designed for use by devices within _ to each other?
a. Close proximity
b. No near contact
c. Both (a) and (b)
d. None of these
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7. _______ contain information which is readable by other devices, however it cannot read information itself.
a. Active NFC devices
b. Dumb NFC devices
c. Passive NFC devices
d. None of these
Answer :-
8. NFC devices work on the principle of _______?
a. Magnetic introduction
b. Magnetic induction
c. Both (a) and (b)
d. None of these
Answer :-
9. Which of these is NOT a mode of operation NFC?
a. Server-to-Server
b. Peer-to-Peer
c. Read/Write
d. Card emulation
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10. State whether the following statement is true or false
Statement: Paging in Bluetooth is the process of forming a connection between two Bluetooth devices.
a. True
b. False
Answer :-
11. There are __ modes of operation in Bluetooth.
a. 3
b. 4
c. 5
d. None of these
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12. Zwave uses __ for signaling and control?
a. Light
b. RF
c. Sound
d. None of these
Answer :-
13. Which of the following is/are not a constraint on sensor nodes?
a. Must consume high power
b. Not be adaptive to the environment
c. Both (a) and (b)
d. None of these
Answer :-
14. ______ are simply those that are unable to perform an operation; this could be because of power failure and environmental events.
a. Normal nodes
b. Failed nodes
c. Badly failed nodes
d. None of these
Answer :-
15. Dumb behavior of sensor nodes is ___ in nature (as it is dependent on the effects of the environmental conditions).
a. Temporal
b. Spatial
c. Both (a) and (b)
d. None of these
Answer :- For Answer Click Here
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NPTEL Introduction To Internet Of Things Assignment 3 Answers [July 2022]
1. Which of the following handles packets, paging and inquiry in Bluetooth?
a. L2CAP
b. Baseband
c. RFComm
d. Physical Radio
Answer:- b
2. Which of the following incorporates channel hopping after every packet transmission?
a. Zigbee
b. WirelessHART
c. 6LoWPAN
d. None of these
Answer:- d
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3. In “X protocol, a central network controller device sets-up a network with 1 Network ID and multiple node IDs for the devices in it. The nodes with different Network IDs cannot communicate with each other. What is “X*”2
a. Z-wave
b. Zigbee
c. Bluetooth
d. ISA 100.11A
Answer:- a
4. In the context of Sensor Web, SensorML stands for
a. Sensor Modeling language
b. Sensor Machine language
c. Sensor Markup language
d. None of the above
Answer:- a
5. Which of the following protocol is best suited to provide interference-free communication while minimizing latency and ensuring quality of service?
a. WirelessHART
b. ISA100.11A
c. Both WirelessHART and ISA100.11A
d. None of these
Answer:- d
6. Which of the following solution approach is used to overcome the limitation of ineffective wakeup and sensing under rare event monitoring scenario in social sensing?
a. Duty-cycle management
b. Sleep-cycle management
c. Packet transmission management
d. Both duty-cycle and sleep-cycle management
Answer:- a
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7. Which of the following technique Bluetooth master uses to avoid collisions during transmission in a Piconet?
a. Frequeney Division Multiplexing d Ou
b. Frequency Hopping Spread Spectrum
c. Time Division Multiplexing
d. Direct Sequence Spread Spectrum
Answer:- c
8. Which of the following limitation is faced by total co-operation in Wireless Ad Hoc and Sensor Networks?
a. Decreasing network throughput
b. Decreasing energy
c. Both (a) and (b)
d. No limitation exists
Answer:- c
9. Which of the following can function over a reliable packet transfer protocol?
a. L2CAP
b. Service Discovery Protocol
c. RFComm
d. Physical Radio
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10. In which of the following mode, NFC devices can act as both readers as well as tags?
a. Reader/writer
b. P2P
c. Emulation
d. NFC devices can’t act as both readers as well as tags
Answer:- b
11. In WSN, Information theoretic self-management (INTSEM) controls the transmission rate of a node by adjusting a node’s
a. Duty cycle
b. Lifetime
c. Sleep time
d. Can’t control the transmission rate
Answer:- a
12. Which of the following layer of ISA 100.11A supports mesh routing?
a. Netwok layer
b. Data link layer
c. Transport layer
d. MAC layer
Answer:- b
13. Which of the following is used to avoid interference-prone channels in HART?
a. Channel blacklisting
b. Channel switching
c. Channel hopping
d. Super-trames
Answer:- b
14. When the devices are not in range, messages are routed through different nodes to bypass obstructions created by household appliances or layouts. Which of the following exhibit such characteristic of avoiding radio dead-spots?
a. Bluetooth
b. 6LoWPAN
c. Z-wave
d. Zigbee
Answer:- c
15. Which of the following is TRUE in tems of power (in mW) and range (in m) of the classes of Bluetooth devices?
a. Class-1: Power=100mW, Range=100m
b. Class-2: Power=2.5 mW, Range=100m
c. Class-1: Power=2.5 mW, Range=100m
d. Class-2: Power=100 mW, Range=100m
Answer:- a
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What is Introduction To Internet Of Things?
Introduction to the Internet Of Things is a fun-filled course where Domain Certification helps learners to gain expertise in specific areas/Doman. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job-ready or specializing in an area of study
CRITERIA TO GET A CERTIFICATE
Average assignment score = 25% of the average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100
Final score = Average assignment score + Exam score
YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
NPTEL Introduction To Internet Of Things Assignment 3 Answers [Jan 2022]
Q1. In general, Z-wave protocol for communication among devices is used for ________.
a. Topology management
b. Home automation
c. Network configuration
d. None of the above
Answer:- b. Home automation
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Q2. Which of the following characteristic of HART Data Link Layer helps it achieve collision-free and deterministic communication?
a. Super-frames
b. Channel hopping
c. Channel blacklisting
d. All of the above
Answer:- a. Super-frames
Q3. Which of the following is the basis for Bluetooth technology?
a. Ad-hoc piconets
b. Ad-hoc technology
c. Both (a) and (b)
d. None of the above
Answer:- c. Both (a) and (b)
Q4. Which of the following protocol uses healing (message) to bypass radio dead-spots?
a. HART
b. NFC
c. Z-wave
d. None of the above
Answer:- c. Z-wave
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Q5. Which of the following nodes send false routing messages in the network?
a. Bad nodes
b. Badly failed nodes
c. Failed nodes
d. All of the above
Answer:- b. Badly failed nodes
Q6. Which of the following layers provide multiplexing capability in Bluetooth technology?
a. L2CAP
b. RFComm
c. SDP
d. Baseband
Answer:- a. L2CAP
Q7. Which of the following component can be considered as optional for a sensor node?
a. Sensing unit
b. Transceiver
c. Location finding unit
d. None of the above
Answer:- c. Location finding unit
Q8. Which of the following provide energy to peer-to-peer tags?
a. Reader
b. Own power source
c. Both (a) and (b)
d. Doesn’t require energy
Answer:- b. Own power source
Q9. Which of the following schemes re-establish the connectivity between dumb nodes with others?
a. CoRD
b. CaRAD
c. Both (a) and (b)
d. None of the above
Answers:- a. CoRD
Q10. Which layer of Bluetooth handles paging?
a. L2CAP
b. RFComm
c. SDP
d. Baseband
Answer:- d. Baseband
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Q11. In general, is it advisable to increase the duty cycle of a node in case of rare events for social sensing?
a. Yes
b. No
c. Not Applicable
Answer:- b. No
Q12. Is Zigbee Pro compatible with Zigbee RF4CE?
a. Yes
b. No
c. Not Applicable
Answer:- b. No
Q13. Which of the following is True?
a. Scatternet is a subset of Piconet
b. Piconet is a subset of Scatternet
c. A device can be a master in more than one piconet
d. A piconet can have maximum of 10 scatternets
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Q14. Which of the following suffers in case of total co-operation in wireless ad hoc and sensor networks?
a. Network delay
b. Network throughput
c. Node’s lifetime
d.All of the above
Answer:- c. Node’s lifetime
Q15. Does ISA 100.11A support tunneling mode?
a. Yes
b. No
c. Not Applicable
Answer:- a. Yes
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Disclaimer:- We do not claim 100% surety of solutions, these solutions are based on our sole expertise, and by using posting these answers we are simply looking to help students as a reference, so we urge do your assignment on your own.
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NPTEL Introduction To Internet Of Things Assignment 3 week 3 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
ALSO READ :-
NPTEL Registration Steps [July – Dec 2022]
NPTEL Exam Pattern Tips & Top Tricks [2022]
NPTEL Exam Result 2022 | NPTEL Swayam Result Download
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