Unit 6: IoT Applications for Value Creations - Practice Quiz

1 What is a key feature of a future factory?

2 What does predictive maintenance in a future factory aim to do?

3 What makes an ordinary object a smart object?

4 Which device is an example of a smart object?

5 What is the main purpose of a smart application?

6 Which is an example of a smart application?

7 What type of devices is a constrained session initiation protocol designed to support?

8 Over what type of distance does Near-Field Communication usually operate?

9 Which activity commonly uses Near-Field Communication?

10 What does NB-IoT stand for?

11 Which feature is commonly associated with NB-IoT?

12 Sigfox is mainly designed for which type of communication?

13 Which type of IoT network is Sigfox commonly classified as?

14 What does Industrial IoT primarily connect?

15 Which development helped support the growth of Industrial IoT?

16 Which component collects physical measurements in an Industrial IoT system?

17 What is a common role of an Industrial IoT gateway?

18 What does Brownfield Internet of Things usually involve?

19 How can IoT support smart irrigation in agriculture?

20 Which is an example of IoT use in healthcare?

21 A manufacturer wants to test changes to a production line without interrupting physical operations. Which future factory concept best supports this requirement?

22 Machines in a factory automatically adjust production schedules after receiving real-time demand and equipment-status data. Which characteristic of a future factory is primarily demonstrated?

23 A temperature sensor sends readings only when the measured value changes by more than . Which smart-object capability is being used?

24 Which combination is most important for turning an ordinary physical object into a smart object?

25 A building application combines occupancy, weather, and energy-price data to control air conditioning. What makes this a smart application rather than simple remote control?

26 A city wants one application to obtain data from parking sensors made by several vendors. Which design choice most directly supports this requirement?

27 A constrained device must establish and manage a communication session while using less memory and signaling overhead than conventional SIP. Which protocol is the most appropriate?

28 Why might a gateway translate between CoSIP messages from sensor nodes and SIP messages used by an existing communication service?

29 A museum places inexpensive tags beside exhibits. Visitors tap their phones on the tags to open exhibit information. Which NFC operating arrangement is most suitable?

30 NFC is selected for tap-to-pair medical equipment because its short operating range provides which practical benefit?

31 A utility company needs cellular connectivity for battery-powered water meters installed in basements. The meters send small readings a few times per day. Why is NB-IoT suitable?

32 An organization prefers an LPWAN technology operated through existing mobile network infrastructure and licensed spectrum. Which technology best matches this requirement?

33 Which application is the best match for a typical Sigfox deployment?

34 A tracking device must receive frequent route updates from a server and acknowledge each one immediately. What is the main concern with choosing Sigfox?

35 Vibration sensors are installed on motors, and analytics estimate when bearings are likely to fail. Which Industrial IoT objective does this primarily support?

36 Which development most directly helped traditional industrial automation evolve toward modern Industrial IoT?

37 A factory needs to filter high-frequency machine data locally and forward only summaries and alarms to the cloud. Which component should perform this function?

38 A plant wants IoT monitoring but cannot replace its operational twenty-year-old machines. Which approach best represents a brownfield IoT deployment?

39 Soil-moisture sensors report values from several field zones. How should a smart irrigation system use these readings to conserve water?

40 A wearable heart monitor detects an abnormal rhythm and sends an alert to a clinician. Which system design is most important for making the alert clinically useful?

41 A future factory must personalize products in small batches while maintaining near-continuous production. Which architecture best supports this requirement?

42 A factory digital twin predicts equipment failure using live sensor data, but its predictions become unreliable after a process redesign. What is the most likely underlying problem?

43 Two sensors measure the same machine variable, but one sensor can detect its own calibration drift and report confidence metadata. Which property most directly distinguishes it as a smart object?

44 A battery-powered valve must execute a safety rule even when its network connection is unavailable. Which design principle is most appropriate?

45 A smart-building application reduces energy use by combining occupancy, weather, tariff, and thermal-history data. Why is this more than simple remote monitoring?

46 An irrigation application recommends watering based on soil moisture, crop stage, rainfall probability, and water restrictions. Which failure would most seriously undermine decision quality?

47 A constrained device must initiate a short-lived service session over an unreliable link using minimal signaling and limited memory. Which protocol behavior is most suitable?

48 A constrained-session protocol uses retransmission because messages may be lost. What design issue must be handled to prevent duplicate actuator commands?

49 A maintenance technician taps an unpowered equipment tag with a phone and reads its service history. Which NFC capability makes this possible?

50 An organization uses NFC badges for access control but wants to prevent copied badge identifiers from granting entry. Which enhancement addresses the core weakness?

51 A utility deploys underground water meters that send a few bytes several times per day and require multi-year battery life. Why is NB-IoT a strong candidate?

52 An NB-IoT sensor enters Power Saving Mode after uploading data. Which trade-off is inherent in this choice?

53 A city needs to receive small, infrequent status messages from inexpensive sensors, but devices rarely need to receive commands. Which Sigfox characteristic best matches this requirement?

54 A designer considers Sigfox for closed-loop control of a robotic arm. Which requirement makes this choice inappropriate?

55 An IIoT deployment connects production data to maintenance analytics while preserving real-time machine safety in the local control system. Which principle is demonstrated?

56 Which development most directly enabled the transition from isolated industrial automation to modern IIoT ecosystems?

57 A plant sends raw vibration data directly to a distant cloud, causing excessive bandwidth use and slow responses. Which component placement would best improve the system?

58 An IIoT gateway translates legacy fieldbus messages into an IP-based platform and buffers data during outages. Which two roles does it perform?

59 A brownfield factory cannot stop production to replace its PLCs. Which integration strategy minimizes disruption while enabling condition monitoring?

60 A farm's soil sensors report adequate average moisture, yet crops on a slope show water stress. Which improvement is most likely to reveal the cause?