These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
Q1. What is the full form of IoT? a. Internet of Tasks b. Internet of Things c. Internet of Tasks d. None of these
Answer: b. Internet of Things
Q2. Which of the following technologies have unified and has resulted in the evolution of IoT? a. Low-power embedded systems b. Cloud Computing c. Machine Learning d. All of these
Answer: d. All of these
Q3. Which of the following are the enablers of IoT? a. RFID b. Nanotechnology c. Sensors d. All of these
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
Q4. Which of the following is/are a function of an IoT Gateway? a. Connects the IoT LAN to a WAN b. Can implement several LAN and WAN c. Forwards packets between LAN and WAN on the IP layer d. All of these
Answer: d. All of these
Q5. State whether the following statement is True or False. Statement: “The same address of an IoT device may be repeated in the domain of another gateway. The gateway has a unique network prefix, which can be used to identify them globally.” 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)
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
Q7. The IPv4 notation uses ________ number of bits to represent an address. a. 33 b. 32 c. Both (a) and (b) d. None of these
Answer: b. 32
Q8. The “Source Address” field in the IPv6 header is of ___________ bits in length. a. 32 b. 64 c. 128 d. None of these
Answer: c. 128
Q9. A device which detects or measures a physical property and records, indicates, or otherwise responds to it is called __________? a. A sensor b. An actuator c. A Transducer d. A processor
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
Q10. 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
Q11. State whether the following statement is True or False. Statement: A sensor is only sensitive to the measured property for which it has been made (e.g., A temperature sensor senses the ambient temperature of a room.) a. True b. False
Answer: a. True
Q12. Based on the data type, sensors are classified as ___________. a. Only scalar b. Only vector c. Scalar and Vector/Multimedia d. None of these
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
Q13. State whether the following statement is True or False. Statement: The more is the resolution of a sensor, the less accurate it its precision. a. True b. False
Answer: b. False
Q14. The sensitivity of a sensor under real conditions may differ from the value specified. This is called ______. a. Physical error b. Sensitivity error c. Rounding error d. None of these
Answer: b. Sensitivity error
Q15. A sensor node is made up of which of the following? a. Sensor/Sensing units b. A processing unit c. A power unit d. All of these
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
Q1. Which of the following are the enablers of IoT? a. RFID b. Nanotechnology c. Sensors d. All of the these
Answer: d. All of the 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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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 the these
Answer: d. All of the these
Q2) A ______ allows us to use our smartphones to lock and unlock our door remotely at our homes or our businesses. a. Smart Meter b. ATM c. Digital Lock d. Web
Answer: c. Digital Lock
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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:- D
3. Identity the component shown below.
a. Gas sensor b. PIR sensor c. Light sensor d. Speaker
Answer:- B
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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:-A
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:-D
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:-A
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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:-A
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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:-A
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:-A
12. Statement I: Aliasing error 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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
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:-B
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
These are Introduction To Internet Of Things Week 1 Assignment 1 Answers
