This set of MCQ(multiple choice questions) focuses on the Introduction To Internet Of Things NPTEL Week 1 Assignment Solutions.
Course layout (All week answers link)
Week 0
Week 1: Introduction to IoT
Week 2: Basics of Networking
Week 3: Communication Protocols
Week 4: Sensor Networks
Week 5: Interoperability in IoT
Week 6: Introduction to Python programming
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
NOTE: You can check your answer immediately by clicking show answer button. Moreover, this set of “Introduction To Internet Of Things NPTEL Week 1 Assignment Solution” contains 15 questions.
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Introduction To Internet Of Things NPTEL Week 1 Solutions 2026
Q1. What is the full form of IoT?
a. Internet of Tasks
b. Internet of Articles
c. Internet of Taps
d. None of these
Answer: d) None of these
Q2. The “Source Address” filed in the IPv6 header is of ______ bits in length.
a. 32
b. 64
c. 128
d. None of these
Answer: c) 128
Q3. Which of the following is/are not an enabler of IoT?
a. RFID
b. Sensors and Actuators
c. Cloud Computing
d. None of these
Answer: d) None of these
Q4. The gateway is tasked with assigning a unique address to each of the field devices or sensors within its jurisdiction.
a. True
b. False
Answer: a) True
Q5. State whether the following statement is True or False.
Statement: The increasing number of devices in IoT is expected to result in an address crunch.
a. True
b. False
Answer: a) True
Q6. In _______________ a node/network is connected to multiple networks for improved reliability.
a) Transparent roaming
b) Multi-homing
c) None of these
d) Both a) and b)
Answer: d) Both a) and b)
Q7. Which of the following is NOT a function of an IoT gateway?
a. Connects the IoT LAN to a WAN
b. Can implement several LAN and WAN
c. Both (a) and (b)
d. Neither (a) nor (b)
Answer: d. Neither (a) nor (b)
Q8. Which of the following statements is/are incorrect?
Statement I: An actuator is a component of a machine or system that moves or controls the mechanism or the system.
Statement II: An actuator requires a control signals and a source of energy.
a. Statement I is incorrect
b. Statement II is incorrect
c. Both statements are incorrect
d. Both statements are correct
Answer: d. Both statements are correct
Q9. Which of the following is NOT a function of an IoT LAN?
a. Long range communication, global
b. World wide connections
c. Both (a) and (b)
d. Neither (a) nor (b)
Answer: c. Both (a) and (b)
Q10. State whether the following statement is True or False.
Statement: The word “Transducer” is a collective term used for both Sensors and Actuators.
a. True
b. False
Answer: a) True
Q11. Analog Sensors produce a discontinuous output signal or voltage, which is generally proportional to the quantity being measured.
a. True
b. False
Answer: b) False
Q12. If the output signal differs from the correct value by a constant, the sensor has an ______.
a. Offset error
b. Bias
c. Both (a) and (b)
d. None of these
Answer: c. Both (a) and (b)
Q13. State True or False
Pneumatic actuators enable the production of large forces from a relatively larger pressure changes.
a. False
b. True
Answer: b) True
Q14. A sensor node is made up of which of the following?
a. Sensor/Sensors
b. A processing unit
c. A power unit
d. All of these
Answer: d. All of these
Q15. What is the full form of SMP in the context of IoT actuators?
a. Shape Memory Polymers
b. Shape Master Polymers
c. Switch Mode Power
d. Sensor Making Polymer
Answer: a. Shape Memory Polymers
Introduction To Internet Of Things NPTEL Week 1 Solutions
Q1. Which of the following are the enablers of IoT?
a) RFID
b) Nanotechnology
c) Sensors
d) All of these
Answer: d) All of these
Q2. Which of the following is/are NOT a characteristic of IoT?
a) Efficient, scalable and associated architecture.
b) Ambiguous naming and addressing.
c) Abundance of sleeping nodes, mobile and non-IP devices.
d) None of these
Answer: b) Ambiguous naming and addressing.
Q3. State whether the following statement is True or False.
Statement: The increasing number of devices in IoT is expected to result in an address crunch.
a) True
b) False
Answer: a) True
Q4. State whether the following statement is True or False.
Statement: The gateway has a unique network prefix, which can be used to identify them globally.
a) True
b) False
Answer: a) True
Q5. Sometimes, when there is a need for the nodes to communicate directly to the Internet, ______________ can be used.
a) Sensors
b) Actuators
c) Tunneling
d) None of these
Answer: c) Tunneling
Q6. In _______________ a node/network is connected to multiple networks for improved reliability.
a) Transparent roaming
b) Multi-homing
c) None of these
d) Both a) and b)
Answer: b) Multi-homing
Q7. The IPv6 notation uses ___________________ values.
a) Roman
b) Hexadecimal
c) Both a) and b)
d) None of these
Answer: b) Hexadecimal
Q8. A _____________ detects (senses) changes in the ambient conditions or in the state of another device or a system, and forwards or processes this information in a certain manner.
a) Sensor
b) Actuator
c) Both a) and b)
d) None of these
Answer: a) Sensor
Q9. A microphone is an example of an _____________.
a) Input device and actuator
b) Only actuator
c) Only Transducer
d) Input device and transducer
Answer: d) Input device and transducer
Q10. The ________________ of a sensor is the smallest change it can detect in the quantity that it is measuring.
a) Resolution
b) Bias
c) Noise
d) None of these
Answer: a) Resolution
Q11. Based on the data type, sensors are classified as _______________________.
a) Scalar and Vector/Multimedia
b) Only scalar
c) Both a) and b)
d) Only vector
Answer: a) Scalar and Vector/Multimedia
Q12. Solenoid valve is an example of ______________________.
a) Sensor
b) Actuator
c) Processing unit
d) None of these
Answer: b) Actuator
Q13. An actuator requires a ______________________ and ______________________.
a) Control signal and a bias signal
b) Control signal and a source of energy
c) Noise signal and a source of energy
d) None of these
Answer: b) Control signal and a source of energy
Q14. State whether the following statement is True or False.
Statement: Pneumatic rack and pinion actuators are used for valve controls of water pipes.
a) True
b) False
Answer: a) True
Q15. Which of the following is NOT a function of an IoT gateway?
a) Switching
b) Routing
c) Protocol conversion
d) Generating noise
Answer: d) Generating noise
Introduction To Internet Of Things NPTEL 2022 Week 1 Assignment Solutions
Q1. 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 these
Answer: d) All of these
Q2. A _________ allows us to use our smartphones to lock and unlock our do our homes or our businesses.
a) Smart Meter
b) ATM
c) Digital Lock
d) Web
Answer: c) Digital Lock
Q3. 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) Both a) and b)
Q4. 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) Improved Reliability
Q5. A Passive Infrared Ray (PIR) sensor is used for ____________?
a) Humidity Detection
b) Tilt Detection
c) Obstacle Detection
d) Smoke Detection
Answer: c) Obstacle Detection
Q6. For which of the following, Vector Sensors are required to measure or sense them?
a) Color, Pressure, Temperature
b) Orientation, Image
c) None of these
d) Both a) and b)
Answer: b) Orientation, Image
Q7. 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) Sensitivity Error
Q8. A random deviation of the signal that varies in time is called ______________.
a) Noise
b) Sound
c) Bias
d) None of these
Answer: a) Noise
Q9. A Relay Switch is an example of _______________.
a) A Sensor
b) An Actuator
c) A Transducer
d) None of These
Answer: b) An Actuator
Q10. 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) It is a type of actuator driven by compressed air or vacuum
Q11. 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
Answer: a) Thermal or Magnetic Actuators
Q12. 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) Soft Actuators
Q13. Full form of SMP is ____________?
a) Soft Memory Polymer
b) Shape Memory Polymer
c) Software Memory Polymer
d) None of these
Answer: b) Shape Memory Polymer
Q14. Duty Cycling of the sensors is managed by which component of IoT?
a) Application
b) Real-Time Kernel
c) Radios
d) Power Management Unit
Answer: d) Power Management Unit
Q15. Which of the following are challenges of IoT?
a) Security
b) Complexity Management
c) Modeling and Analysis
d) All of these
Answer: d) All of these
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