Introduction To Industry 4.0 And Industrial Internet Of Things | Week 7

Session: JAN-APR 2023

Course Name: Introduction To Industry 4.0 And Industrial Internet Of Things

Course Link: Click Here

These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q1. What is the maximum payload of a SIGFOX message?
(a) 12 bytes
(b) 140 bytes
(c) 100 bits
(d) 257 bytes

Answer: (a) 12 bytes


Q2. Which of the following modulation techniques is used by LoRA?
(a) Frequency-hopping Spread Spectrum Modulation
(b) Direct-sequence Spread Spectrum Modulation
(c) Chirp Spread Spectrum Modulation
(d) Time-hopping Spread Spectrum Modulation

Answer: (c) Chirp Spread Spectrum Modulation


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q3. Which of the following libraries is used to work with LoRA along with NodeMCU?
(a) DHT Sensor Library
(b) MESH library
(c) Radiohead library
(d) Stepper library

Answer: (c) Radiohead library


Q4. Which of the following protocols is used in the physical and MAC layer of the Zigbee communication protocol?
(a) IEEE 802.3.4
(b) IEEE 802.15.4
(c) IEEE 804.15.4
(d) IEEE 805.3.4

Answer: (b) IEEE 802.15.4


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q5. What is a coordinator device in Zigbee network?
(a) It is a device to relay information to other nodes in the network
(b) It is a node to generate power for the other nodes in the network
(c) It is only connected to the parent node with no data relaying
(d) It is the root of the network and acts as a bridge between different networks

Answer: (d) It is the root of the network and acts as a bridge between different networks


Q6. XCTU is a software is for configuration of which of the following devices?
(a) NodeMCU
(b) LoRa
(c) Xbee
(d) Bluetooth

Answer: (c) Xbee


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q7. What is/are the characteristic(s) of IIoT data?
(a) Correlation in space, time and other dimensions
(b) Temporal and causal relationships in data
(c) Polymorphism
(d) All of the above

Answer: (d) All of the above


Q8. What is the function of Rule-based engine in Complex Event Processing (CEP)?
(a) Extract causal and temporal patterns using predefined rules
(b) Provides services according to device functionality
(c) Handle single data stream at a time
(d) Batch processing

Answer: (a) Extract causal and temporal patterns using predefined rules


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q9. Middleware is a software layer between infrastructure layer and application layer IIoT. True or false?
(a) True
(b) False

Answer: (a) True


Q10. What are the different types of business processing analytics?
(a) Industrial, private, public
(b) Descriptive, prescriptive, predictive
(c) Actuation and sensing
(d) Predictive, visualization, actuation

Answer: (b) Descriptive, prescriptive, predictive


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q11. What type of analytics is supported by MIDAS: IoT/M2M platform?
(a) Batch analytics
(b) Runtime analytics
(c) Both a and b
(d) None of the above

Answer: (c) Both a and b


Q12. Industrial rechargeable sensor network uses __ for grid-based routing and charging. Fill in the blanks.
(a) Proactive algorithm
(b) Reactive algorithm
(c) Genetic algorithm
(d) TCAM

Answer: (a) Proactive algorithm


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q13. What are the 4 major components of an industrial control system?
(a) Set points, process variables, controllers, and manipulating variables
(b) Data plane, control plane, variables, and controllers
(c) Set points, dynamic points, variables, and controllers
(d) Feedback loop, controllers, variables, and actuation

Answer: (a) Set points, process variables, controllers, and manipulating variables


Q14. How many types of control loops are there in industrial control system?
(a) Two
(b) Four
(c) Three
(d) Six

Answer: (a) Two


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


Q15. Which of the following types of industrial control systems is used for a highly distributed industrial plant?
(a) SCADA
(b) PLC
(c) DCS
(d) None of the above

Answer: (c) DCS


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things

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Session: JUL-DEC 2022

Course Name: Introduction to industry 4.0 and Industrial Internet of Things

Course Link: Click Here

These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


1) LPWAN enables long range wireless communication among “things” data _____.
(a) Low bit rate
(b) High bit rate
(c) Customized bit rate
(d) None of the above

Answer: a


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


2) “LoRa defines only the physical layer of the OSI stack, LoRaWAN handles the networking aspects of communication.” True or false?
(a) True
(b) False

Answer: b


3) The SIGFOX radio link operates in the.
(a) Unlicensed ISM radiobands
(b) Licensed ISM radiobands
(c) Both (a) and (b)
(d) None of the above

Answer: a


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


4) Xbee is a ______.
(a) Mesh communication protocol based on the IEEE802.15.4
(b) Product that uses the Zigbee communicationprotocol for radio communication.
(c) All of the above
(d) None of the above

Answer: b


5) Which of the following is/are true about ZigBee?
(a) Zigbee is a communication protocol with its physical layer-based on the IEEE 802.15.4.
(b) Supports 4 topologies : Bus, Star, Tree and Mesh
(c) Used in home and industrial automation applications
(d) All of the above

Answer: a


6) In Zigbee, end devices ________.
(a) Acts as a bridgebetween different networks.
(b) Relays the information to other nodes in the network
(c) Responsible to connect to the parent node, norelaying of information is supported.
(d) None of the above

Answer: c


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


7) The main components of Distributed Control Systems (DCS).
(a) Central supervisory controller
(b) Distributed controllers
(c) Field devices such as sensors and actuators
(d) All of the above

Answer: d


8) Which of the following is/are type(s) of Industrial Control Systems?
(a) Programmable Logic Controllers (PLCs)
(b) Distributed Control Systems (DCS)
(c) Supervisory control and Data Acquisition (SCADA)
(d) All of the above

Answer: d


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


9) Which one is correct Pin configuration of a DHT sensor?
(a) PIN 1-3.3V-5V Power supply, PIN 2- Data, PIN 3- Null and PIN 4- Ground
(b) PIN 1-Data, PIN 2- 3.3V-5V Power supply, PIN 3- Null and PIN 4- Ground
(c) PIN 1-Data, PIN 2- Null, PIN 3- 3.3V-5V Power supply and PIN 4- Ground
(d) PIN 1-Ground, PIN 2- Data, PIN 3- Null and PIN 4- 3.3V-5V Power supply

Answer: a


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


10) Which one is the correct NodeMCU – DHT interfacing?
(a) GPIO 4 Data, 3V3 – Vcc, and Gnd – Gnd
(b) GPIO 4-Gnd, 3V3 – Vcc, and Gnd – Data
(c) GPIO 4 Vcc, 3V3 – Data, and Gnd – Gnd
(d) None of the above

Answer: a


11) What does iRobot-Factory enforce to improve its manufacturing process?
(a) Cognitive intelligence
(b) Managerial intelligence
(c) Logistic intelligence
(d) All of the above

Answer: a


12) The architectural layers of SmartSantander include ______.
(a) Accessible, Authorization, and Accounting subsystem
(b) Authentication, Authorization, and Accounting subsystem
(c) Authentication, Authorization, and Accommodation subsystem
(d) None of the above

Answer: b


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


13) Rule-based engine of IIoT processing.
(a) Extract causal and temporal patterns using predefined rules
(b) Handles multiple data streamsand correlates them to providemeaningful output
(c) Both (a) and (b)
(d) None of the above

Answer: c


14) Software layer between infrastructure layer and applicationlayer _______.
(a) Provides services according to device functionality
(b) Support for heterogeneity, security
(c) Both (a) and (b)
(d) None of the above

Answer: c


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things


15) A typical industrial control system includes _________ types of control loop.
(a) 1
(b) 2
(c) 3
(d) 4

Answer: b


These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things

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These are NPTEL Introduction to Industry 4 Assignment 7 Answers And Industrial Internet Of Things