In this post, We have provided answers of Introduction To Internet Of Things Assignment 1. We provided answers here only for reference. Plz, do your assignment at your own knowledge.
NPTEL Introduction To Internet Of Things Assignment 1 Answers 2023
1. Which of the following is/are the characteristics of IoT?
- a. Efficient, scalable and associated architecture.
- b. Unambiguous naming and addressing.
- c. Abundance of sleeping nodes, mobile and non-IP device.
- d. All of the these
Answer:- d
2. allows us to use our smartphones to lock and unlock our door remotely at our homes or our businesses.
- a. Smart Meter
- b. ATM1
- C. Digital Lock
- d. Web
Answer:- c
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3. The function/functions of an IoT Gateway is/are to?
- a. Forward packets between LAN and WAN and on the IP layer
- b. Connect IoT LAN to a WAN
- c. Both (a) and (b)
- d. None of these
Answer:- c
4. Multi-homing is the concept where a node can be connected to multiple networks for_
- a. Reduced Reliability
- b. Improved Reliability
- c. None of these
- d. Both (a) and (b)
Answer:- b
5. A Passive Infrared Ray (PIR) sensor is used for
- a. Humidity Detection
- b. Tilt Detection
- c. Obstacle Detection
- d. Smoke Detection
Answer:- c
6. For which of the following, Vector Sensors are required to measure or sense themn?
- a. Color, Pressure, Temperature
- b. Orientation, Image
- c. None of these
- d. Both (a) and (b)
Answer:- d
7. The sensitivity of a sensor under real conditions may differ from the value specified. This is called
- a. Maximal Error
- b. Minimal Error
- c. Median Error
- d. Sensitivity Error
Answer:- d
8. A random deviation of the signal that varies in time is called
- a. Noise
- b. Sound
- c. Bias
- d. None of these
Answer:- a
9. A Relay Switch is an example of
- a. A Sensor
- b. An Actuator
- c. A Transducer
- d. None of These
Answer:- b
10. What is a Pneumatic Actuator?
- a. It is a type of actuator driven by compressed air or vacuum
- b. It is a type of actuator driven by fluid
- c. It is a type of actuator driven by solid
- d. None of these
Answer:- a
11. Which type of actuators tend to be compact, lightweight, economical, and with high power density?
- a. Thermal or Magnetic Actuators
- b. Hydraulic Actuators
- C. Both (a) and (b)
- d. None of these
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12. Polymer-based actuators designed to handle fragile objects like fruit harvesting in agriculture or manipulating internal organs in biomedicine are called?
- a. Pneumatic Actuators
- b. Soft Actuators
- c. Software Actuators
- d. Hardware Actuators
Answer:- b
13. Full form of SMP is
- a. Soft Memory Polymer
- b. Shape Memory Polymer
- c. Software Memory Polymer
- d. None of these
Answer:- b
14. Duty Cycling of the sensors is managed by which component of loT?
- a. Application
- b. Real-Time Kernel
- c. Radios
- d. Power Management Unit
Answer:- b
15. Which of the following are challenges of IoT?
- a. Security
- b. Complexity Management
- c. Modeling and Analysis
- d. All of these
Answer:- d
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In this post, We have provided answers of Introduction To Internet Of Things Assignment 1. We provided answers here only for reference. Plz, do your assignment at your own knowledge.
NPTEL Introduction To Internet Of Things Assignment 1 Answers [July – Dec 2022]
1. Which of the following is a static mechanism for address allocation of loT nodes?
a. Contiguration over a management interface
b. IPvó address based on a hardware identifier
c. Both configuration over a management interface & based on a hardware identifier
d. IoT nodes can’t be configured statically
Answer:- c
2. Which of the following error is commonly found in heating of metal strips?
a. quantization error
b. aliasing error
c. hysteresis enror
d. None of these
Answer:- c
3. Identity the component shown below.
- a. Gas sensor
- b. PIR sensor
- c. Light sensor
- d. Speaker
Answer:- b
4. X” perfomms active application layer functions between IoT nodes and other entities. What is X?
a. IoT node
b. IoT proxy
c. IoT gateway
d. IoT Network
Answer:- b
5. Which of the following field in IPv4 header format indicates that it is concerned with reliable transmission’?
a. Traffic class
b. Hop limit
c. Fragment offset
d. Destination address
Answer:- c
6. Which of the following is a function of IoT Gateway?
a. Data forwarding
b. Device management
c. Protocol conversion
d. All of these
Answer:- d
7. Which of the following actuator converts pressure into force?
a. Mechanical actuators
b. Pneumatic actuators
c. Electric actuators
d. Magnetic actuators
Answer:- b
8. Which of the following mechanism for address autoconfiguration provide more control on the allocated addresses?
a. DHCPv6
b. SLAAC
c. Both DHCPv6 and SLAAC
d. None of these
Answer:- a
9. Which of the following can measure position?
a. Potentiometer
b. Encoder
C. Both potentiometer & encoder
d. None of these
Answer:- c
10. In a scenario when the IoT proxy has uplink connectivity, does the IoT LAN need global addressing mandatorily?
a. Yes
b. No
c. Not applicable
Answer:- b
11. Which of the following is TRUE?
a. M2M is not a subset of IoT
b. WOT and IoT are same
C. IoT and M2M are same
d. None of these
Answer:- d
12. Statement I: Aliasing eror occurs if the input variable or added noise changes periodically at a frequency proportional to the multiple of the sampling rate.
Statement II: If the signal is monitored digitally, the sampling frequency can cause a dynamic error triggering aliasing error.
a. Both Statement I and II are false
b. Both Statement I and II are true
c. Statement I is false but Statement II is true
d. Statement I is true but Statement II is false
Answer:- b
13. Does polymer-based actuator find application in manufacturing artificial muscles?
a. Yes
b. No
Answer:- a
14. Unique Local Addresses are intended to allow routing over a network that expands over multiple links and routing hops, and even can expand over multiple networks. Can these addresses prevent address collision?
a.Yes
b. No
c. Not Applicable
Answer:- a
15. Which of the following is an example of vector sensor?
a. Pressure sensor
b. Strain sensor
c. Both pressure and strain sensors
d. Sound sensor
Answer:- d
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In this post, We have provided answers of Introduction To Internet Of Things Assignment 1. We provided answers here only for reference. Plz, do your assignment at your own knowledge.
NPTEL Introduction To Internet Of Things Assignment 1 Answers [Jan – June 2022]
Q1. Which of the following areas are identified as IoT enablers?
a. RFID
b. Smart Networks
c. Nanotechnology
d. All of the above
Answer:- d. All of the above
Q2. Which of the following is a digital sensor?
a. KY-013
b. LX1972
c. DHT11
d. LM35D
Answer:- c. DHT11
Q3. Which of the following is considered as long range radio used in IoT?
a. Bluetooth
b. RFID
c. LoRa
d. None of them
Answer:- c. LoRa
Q4. Solenoid valve finds application in _____________________ equipment.
a. Both hydraulic & electrical
b. Both electrical & pneumatic
c. Both electrical & mechanical
d. Both hydraulic & pneumatic
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Q5. Which of the following connects an IoT LAN with a WAN, and to the Internet?
a. IoT node
b. IoT proxy
c. IoT gateway
d. IoT Network
Answer:- c. IoT gateway
Q6. Which of the following is NOT a function of IoT Gateways?
a. Switching
b. Firewall & VPN services
c. Protocol conversion
d. None of the above
Answer:- d. None of the above
Q7. Which of the following is NOT a characteristic of IoT?
a. Intermittent connectivity
b. Ambiguous naming & addressing
c. Scalable architecture
d. Abundance of sleeping nodes
Answer:- a. Intermittent connectivity
Q8. Rack & pinion is an example of _____ actuator.
a. Hydrodynamic
b. Electrical
c. Mechanical
d. None of these
Answer:- c. Mechanical
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Q9. Identify the component shown below.
a. Gas sensor
b. Tilt sensor
c. Light sensor
d. Speaker
Answer:- b. Tilt sensor
Q10. Which of the following is NOT true?
a. M2M is not a subset of IoT
b. IoT is a subset of CPS
c. IoT and M2M are same
d. All of the above
Answer:- d. All of the above
Q11. “IoT gateway WAN address changes without change in LAN address” – Which of the following helps in achieving it?
a. Unique local address
b. Network Prefix Translation
c. Tunneling
d. None of the above
Answer:- c. Tunneling
Q12. If the output signal differs from the correct value by a constant, the sensor has an _______.
a. Sensitivity issue
b. offset error
c. drift issue
d. noise
Answer:- b. offset error
Q13. Which of the following is NOT a part of service layer in service-oriented architecture of IoT?
a. Service division
b. Contract
c. Business logic
d. Service repository
Answer:- b. Contract
Q14. Which of the following is the preferred method for dynamic allocation of addresses in an IPv6 network?
a. DHCP
b. SLAC
c. IETF
d. SLAAC/DHCPv6
Answer:- a. DHCP
Q15. A proxy-based approach is used to manage multiple IP addresses and map them to __________ addresses.
a. source
b. unique
c. global
d. link local
Answer:- d. link local
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About Introduction To Internet Of Things?
Internet of Things (IoT) is presently a hot technology worldwide. Government, academia, and industry are involved in different aspects of research, implementation, and business with IoT. IoT cuts across different application domain verticals ranging from civilian to defence sectors. These domains include agriculture, space, healthcare, manufacturing, construction, water, and mining, which are presently transitioning their legacy infrastructure to support IoT. Today it is possible to envision pervasive connectivity, storage, and computation, which, in turn, gives rise to building different IoT solutions. IoT-based applications such as innovative shopping system, infrastructure management in both urban and rural areas, remote health monitoring and emergency notification systems, and transportation systems, are gradually relying on IoT based systems. Therefore, it is very important to learn the fundamentals of this emerging technology.
COURSE LAYOUT
Week 1: Introduction to IoT: Part I, Part II, Sensing, Actuation, Basics of Networking: Part-I
- Week 2: Basics of Networking: Part-II, Part III, Part IV, Communication Protocols: Part I, Part II
- Week 3: Communication Protocols: Part III, Part IV, Part V, Sensor Networks: Part I, Part II
- Week 4: Sensor Networks: Part III, Part IV, Part V, Part VI, Machine-to-Machine Communications
- Week 5: Interoperability in IoT, Introduction to Arduino Programming: Part I, Part II, Integration of Sensors and Actuators with Arduino: Part I, Part II
- Week 6: Introduction to Python programming, Introduction to Raspberry Pi, Implementation of IoT with Raspberry Pi
- Week 7: Implementation of IoT with Raspberry Pi (contd), Introduction to SDN, SDN for IoT
- Week 8: SDN for IoT (contd), Data Handling and Analytics, Cloud Computing
- Week 9: Cloud Computing(contd), Sensor-Cloud
- Week 10: Fog Computing, Smart Cities and Smart Homes
- Week 11: Connected Vehicles, Smart Grid, Industrial IoT
- Week 12: Industrial IoT (contd), Case Study: Agriculture, Healthcare, Activity Monitoring
CRITERIA TO GET A CERTIFICATE
Average assignment score = 25% of 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 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.