Introduction To Internet Of Things | Week 1

Introduction To Internet Of Things Week 1

Course Link: Introduction To Internet Of Things Week 1 (nptel.ac.in)

Q1. Which of the following are the enablers of IoT?
a. RFID
b. Nanotechnology
c. Sensors
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

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

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

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

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)

Q7. The IPv6 notation uses _______ values.
a. Roman
b. Hexadecimal
c. Both (a) and (b)
d. None of these

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

Q9. A microphone is an example of an _.
a. Input device and actuator
b. Only actuator
c. Only Transducer
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

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

Q12. Solenoid valve is an example of __________.
a. Sensor
b. Actuator
c. Processing unit
d. None of these

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

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

Q15. Which of the following is NOT a function of an IoT gateway?
a. Switching
b. Routing
c. Protocol conversion
d. Generating noise