Q1. What is a transducer?
a. A device that converts energy from one form to another
b. A type of sensor that detects only energy
c. A digital communication device
d. A part of a computer processor

Answer:- a

Q2. What does sensor accuracy refer to?
a. The range of the sensor
b. The smallest detectable input change
The correctness of the output compared to a standard value
d. The sensor’s response time

Answer:- c

Q3. What is an active sensor?
a. A sensor that can only sense physical changes
b. A sensor that operates without an external power source
c. A sensor that independently senses the input
d. A sensor that operates without any energy consumption

Answer:- c

Q4. What does ‘Actuator’ primarily refer to in lloT systems?
a. A device that stores data
b. A device that processes information
c. A device that converts signals into physical action
d. A device that enhances signal strength

Answer:- c

Q5. Zigbee technology is popular for
a. Long-range communications
b. High power consumption
c. Low-cost, low-power wireless mesh networks
d. High data rate transfer

Answer:- c

Q6. Which of the following is true about 6LoWPAN?
a. It is used for high-power industrial networks
b. It enables IPv6 packets over low-power wireless networks
c. It focuses on high-speed ethernet
d. It’s a standard for satellite communications

Answer:- b

Q7. Near Field Communication (NFC) is typically used for:
a. Long-range satellite communications
b. High-power industrial networks
c. Short-range wireless interaction between electronic devices
d. Storing large amounts of data

Answer:- c

Q8. Which of the following actuators work on the principle of compression and decompression?
a. Hydraulic Actuators
b. Thermal Actuators
c. Electric Actuators
d. Mechanical Actuators

Answer:- a

Q9. ISA 100.11a is significant in IloT because it
a. Provides high-speed internet connectivity
b. Focuses on wireless network technology for industrial automation
c. Is used for long-range satellite communications
d. Enhances Bluetooth signal strength

Answer:- b

Q10. What is the primary function of lEE 802.15.4 in loT?
a. High-speed data transmission
b. Providing security algorithms
c. Establishing low-rate wireless personal area networks
d. Data storage and retrieval

Answer:- c

Q11. Z-Wave technology is best suited for
a. Industrial communication
b. Home automation
c. Satellite communication
d. High-speed internet

Answer:- b

Q12. What is the maximum data rate possible in Wireless HART?
a. 2500 b/s
b. 2.5 mb/s
c. 250 kb/S
d. None of the above

Answer:- c

Q13. Qos 2 in MQTT is also known as
a. At most once
b. At least once
C. Exactly once
d. None of the above

Answer:- c

Q14. CoAP works on Request/Response framework based on the _________ architecture.
a. UDP
b. TCP
c. SCTP
d. DCCP

Answer:- a

Q15. Infra-red sensor is an example of
a. Acoustic Sensor
b. Mechanical Sensor
c. Electrical Sensor
d. Optical Sensor

Answer:- d