NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 7 Assignment Answers 2025
1. Which of the following topologies is NOT supported by Zigbee?
a. Tree
b. Bus
c. Mesh
d. All of these
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2. What is a key benefit of Distributed Control Systems (DCS)?
a. Increased complexity in control mechanism
b. Improved reliability through distributed control
c. Increased manual interventions
d. Reduced communication between devices
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3. In which frequency bands do LoRa operate?
a. 2.4 GHz
b. 868 MHz (Europe), 915 MHz (North America)
c. 5 GHz
d. 1.8 MHz
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4. Which library is required to work with the LoRa?
a. Radiohead
b. Xbee
c. Zigbee
d. XCTU
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5. State true or false.
Machine-to-Machine Interface (M2MI) is one of the major components of Supervisory control and Data Acquisition that is used for enabling control and operations of the remote processes by human operators.
a. True
b. False
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6. Fill in the blanks.
Zigbee uses the ____________ standard for defining its physical and medium access control (layers 1 and 2 of the OSI stack).
a. IEEE 802.16.6
b. IEEE 802.15.4
c. IEEE 502.15.4
d. IEEE 502.16.6
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7. State True or False.
The SIGFOX network can transmit up to 140 messages per day with a payload of 12 bytes per message.
a. True
b. False
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8. Which of the following is/are false about the rule-based engine?
a. Extract causal and temporal patterns using predefined rules
b. Handles multiple data streams and correlates them to provide meaningful output
c. Cannot process data in near real-time
d. All of the above
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9. Which of the following is NOT a Zigbee device type?
a. Coordinator
b. Router
c. End device
d. Hub
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10. What is the role of message brokers like MQTT and Apache Kafka in real-time IoT processing systems?
a. They store IoT data permanently
b. They transfer data to analytical pipelines
c. They eliminate the need for data analysis
d. They reduce data complexity by deleting unnecessary events
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11. Which type of analytics in IIoT focuses on forecasting future conditions?
a. Descriptive Analytics
b. Predictive Analytics
c. Prescriptive Analytics
d. Business Processing Analytics
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12. Which of the following is NOT a key component of the Smart Water Management Platform (SWAMP)?
a. Sensors
b. Virtual entity
c. ERP
d. Data management
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13. Which of the following is NOT a phase of Industrial Manufacturing workflow?
a. Collection of service offerings and infrastructure
b. Virtualization, allocation, and management of services
c. On-demand service provisioning
d. Reallocation of deployed infrastructure
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14. Which of the following is NOT a key component of SCADA?
a. Sensors and Control Relays
b. Remote Telemetry Units (RTUs)
c. Inventory Databases
d. Human-Machine Interface (HMI)
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15. Which of the following is NOT a major component of an Industrial Control System?
a. Process Variables
b. Set Points
c. Industrial Internet
d. Manipulating Variables
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