NPTEL Introduction to Industry 4.0 and Industrial Internet of Things Week 1 Assignment Solution
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Which sensor system type is characterized by an output that oscillates before reaching steady state?
- A) Zero order system
- B) First order system
- C) Second order system
- D) Linear system
Which of the following is NOT a correct example of a transducer?
- A) Microphone
- B) Wire
- C) Speaker
- D) Antenna
The response of which of the following sensors depends on the magnitude of the direction and orientation of input parameter?
- A) Scalar sensor
- B) Passive sensor
- C) Analog sensor
- D) Vector sensor
Which type of Zigbee node is responsible for network initialization and maintenance?
- A) Router
- B) End Device
- C) Coordinator
- D) Sensor
Which two layers does IEEE 802.15.4 provide a framework for?
- A) MAC and PHY
- B) IP and TCP
- C) HTTP and SSL
- D) FTP and DNS
How often are time slots allocated in Wireless HART?
- A) 1 per second
- B) 10ms per slot
- C) 100ms per slot
- D) 1 second per device
How do passive RFID tags operate?
- A) Use an internal battery
- B) Use an external solar panel
- C) Are powered by the reader inductively
- D) Are manually activated
Bluetooth technology is based on which type of networking?
- A) Mesh
- B) Piconet (Ad-hoc)
- C) Star
- D) Bus
What process is used by Z-wave to bypass radio dead spots?
- A) Network Slicing
- B) Subnetting
- C) Healing
- D) Network Partitioning
Which of the following best represents the ‘trunk’ in the IoT analogy?
- A) ARM (Architectural Reference Model)
- B) IoT applications
- C) Communication protocols
- D) End-user interfaces
What is the function of the Registration Interface (RI) in CoRE?
- A) Processes user login
- B) Assigns MAC addresses
- C) Encrypts transmitted data
- D) Registers IoT resources to the directory
Which of the following is not a message type in CoAP?
- A) CON
- B) NON
- C) RST
- D) ECHO
Which of the following is an IP-based solution proposed by IETF for IoT?
- A) Zigbee Alliance
- B) Bluetooth SIG
- C) CoRE
- D) Wi-Fi Alliance
State true or false. Sensor calibration is typically used for weeding-out repeatable errors in sensor readings.
- A) True
- B) False
Which of the following is NOT true about WirelessHART?
- A) It is a license-free protocol
- B) It is not compatible with any legacy devices
- C) WirelessHART uses the IEEE 802.15.4 standard for its protocols designing
- D) WirelessHART makes device placements more accessible and cheaper
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