NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things Week 1 Assignment Solution
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Which of the following sensors is an example of a Zero Order System?
- A) Thermometer
- B) Potentiometer
- C) Accelerometer
- D) Gyroscope
Which Zigbee device type acts as the root and also functions as the network bridge?
- A) Zigbee Router
- B) Zigbee End Device
- C) Zigbee Coordinator
- D) Zigbee Gateway
Which physical principle primarily explains the operation of hydraulic actuators?
- A) Pascal's law
- B) Bernoulli's principle
- C) Ideal gas law
- D) Faraday's law
At which OSI layer does the 6LoWPAN protocol primarily operate to enable IPv6 packets over IEEE 802.15.4?
- A) Physical Layer
- B) Network Layer (Adaptation Layer)
- C) Transport Layer
- D) Application Layer
Which IEEE 802.15.4 variant introduces Direct Sequence Ultra-Wideband (UWB) Physical Layer?
- A) 802.15.4a
- B) 802.15.4b
- C) 802.15.4e
- D) 802.15.4g
Fill in the blank: In the context of sensor characteristics, the properties of the system's transient response to an input are collectively termed as ________ characteristics.
- A) Dynamic characteristics
- B) Static characteristics
- C) Time-domain characteristics
- D) Steady-state characteristics
In the context of the WirelessHART standard (IEC 62591) operating in the 2.4 GHz ISM band, what is the frequency gap maintained between two adjacent channels?
- A) 2 MHz
- B) 5 MHz
- C) 20 MHz
- D) 25 MHz
State True or False. A Passive NFC device can neither transmit nor read any data.
- A) True
- B) False
What is the data rate of Bluetooth 2.0?
- A) 1 Mbps
- B) 2 Mbps
- C) 3 Mbps
- D) 4 Mbps
Fill in the blank: The primary focus of the ISA 100.11a technology is the implementation of ______ in the industrial environment.
- A) Automation
- B) Connectivity
- C) Predictive maintenance
- D) Security
State True or False. Classical Internet is not meant for constrained IoT devices.
- A) True
- B) False
In the context of CoRE Service Discovery, loT devices (acting as mini web servers) register their resources to the Resource Directory (RD) using which interface?
- A) Lookup Interface (LI)
- B) Transport Interface (TI)
- C) Registration Interface (RI)
- D) Application Interface (AI)
In the context of QoS for loT Networks, which data timeliness policy mandates dropping stale data and notifying the application that a dead- line has been missed?
- A) Latency budget policy
- B) Deadline policy
- C) Retention policy
- D) Priority policy
State True or False. MQTT works on the Request/Response framework on top of UDP.
- A) True
- B) False
Which of the following is/are advantages of XMPP?
- A) Interoperability
- B) Extensibility
- A) Flexibility
- B) All of these
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