O Level Exam July 2025!

O Level Exam
July 2025 Predected Internet Of Things(IOT) Papers!

Internet Of Things (IOT) Most Predected Exam Papers!


1. What does IoT stand for?
IoT का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Internet of Things
IoT refers to a network of physical devices connected via the internet.
2. Which of the following is an IoT device?
निम्नलिखित में से कौन एक IoT डिवाइस है?
See Explanation!
✅ Correct Answer: Smart thermostat
Smart thermostats connect to the internet to receive and send data.
3. Which protocol is most commonly used in IoT for lightweight messaging?
IoT में हल्के मैसेजिंग के लिए सबसे अधिक इस्तेमाल किया जाने वाला प्रोटोकॉल कौन सा है?
See Explanation!
✅ Correct Answer: MQTT
MQTT is designed for low-bandwidth, high-latency environments in IoT.
4. What is the role of sensors in IoT?
IoT में सेंसर की क्या भूमिका है?
See Explanation!
✅ Correct Answer: Collecting physical data
Sensors gather real-world data (temperature, motion, humidity).
5. Which network type is used for short-range IoT communication?
शॉर्ट-रेंज IoT संचार के लिए किस नेटवर्क प्रकार का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Bluetooth
Bluetooth enables device-to-device communication over short distances.
6. Which layer in the IoT architecture handles data processing and cloud storage?
IoT आर्किटेक्चर में कौन सी परत डेटा प्रोसेसिंग और क्लाउड स्टोरेज को संभालती है?
See Explanation!
✅ Correct Answer: Application layer
The application layer processes and serves data to end users.
7. What’s the purpose of actuators in IoT systems?
IoT प्रणालियों में एक्चुएटर्स का उद्देश्य क्या है?
See Explanation!
✅ Correct Answer: Performing actions based on sensor data
Actuators convert electrical signals into physical actions (e.g., opening valves).
8. Which communication medium uses radio waves and is common in IoT?
कौन सा संचार माध्यम रेडियो तरंगों का उपयोग करता है और IoT में आम है?
See Explanation!
✅ Correct Answer: Wi-Fi
Wi-Fi enables remote wireless internet communication in IoT setups.
9. What is a common use case of IoT in agriculture?
कृषि में IoT का सामान्य उपयोग क्या है?
See Explanation!
✅ Correct Answer: Precision irrigation
IoT sensors measure soil moisture to optimize watering schedules.
10. Which of these is a secure method of authentication used in IoT?
इनमें से कौन सा IoT में उपयोग किया जाने वाला प्रमाणीकरण का सुरक्षित तरीका है?
See Explanation!
✅ Correct Answer: Token-based authentication
Tokens provide secure, time-limited access control for IoT devices.
11. What does "edge computing" mean in IoT?
IoT में "एज कंप्यूटिंग" का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Real-time computing near the data source
Edge computing processes data closer to where it's generated for faster response.
12. Which IoT protocol is suited for resource-constrained devices and follows REST principles?
कौन सा IoT प्रोटोकॉल संसाधन-विवश उपकरणों के लिए उपयुक्त है और REST सिद्धांतों का पालन करता है?
See Explanation!
✅ Correct Answer: CoAP
CoAP is lightweight and suitable for constrained IoT environments.
13. In an IoT network, what does the term "gateway" refer to?
IoT नेटवर्क में, "गेटवे" शब्द का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Device that routes data between different networks
Gateways connect IoT devices to cloud services by translating protocols.
14. Which security risk is most associated with IoT devices?
IoT उपकरणों से सबसे अधिक कौन सा सुरक्षा जोखिम जुड़ा हुआ है?
See Explanation!
✅ Correct Answer: Weak default passwords
Weak or default credentials leave IoT devices vulnerable to unauthorized access.
15. What kind of data structure is it best to use for storing time-series sensor data?
समय-श्रृंखला सेंसर डेटा संग्रहीत करने के लिए किस प्रकार की डेटा संरचना का उपयोग करना सबसे अच्छा है?
See Explanation!
✅ Correct Answer: Time-series database
Time-series databases are optimized for storing chronological sensor data.
16. Which area of IoT focuses on wearable health-monitoring devices?
IoT का कौन सा क्षेत्र पहनने योग्य स्वास्थ्य निगरानी उपकरणों पर केंद्रित है?
See Explanation!
✅ Correct Answer: IoMT (Internet of Medical Things)
IoMT refers to connected devices used in healthcare applications.
17. Which IoT standard helps ensure secure device communication?
कौन सा IoT मानक सुरक्षित डिवाइस संचार सुनिश्चित करने में मदद करता है?
See Explanation!
✅ Correct Answer: SSL/TLS
SSL/TLS encrypts data exchanged between IoT devices and servers securely.
18. Which type of sensor measures proximity?
किस प्रकार का सेंसर निकटता को मापता है?
See Explanation!
✅ Correct Answer: Ultrasonic sensor
Ultrasonic sensors measure distance by using sound waves.
19. Which layer in the IoT model transmits data between devices?
IoT मॉडल में कौन सी परत डिवाइसों के बीच डेटा संचारित करती है?
See Explanation!
✅ Correct Answer: Network layer
The network layer handles data routing across communication mediums.
20. What is the main function of IoT analytics?
IoT एनालिटिक्स का मुख्य कार्य क्या है?
See Explanation!
✅ Correct Answer: Extracting insights from collected data
IoT analytics transforms raw sensor data into actionable intelligence.
21. Which device is commonly used to connect IoT devices to the internet?
IoT डिवाइस को इंटरनेट से जोड़ने के लिए आमतौर पर किस डिवाइस का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Gateway
IoT gateways bridge local device networks and cloud platforms.
22. Which of the following is an example of Industrial IoT (IIoT)?
निम्नलिखित में से कौन औद्योगिक IoT (IIoT) का उदाहरण है?
See Explanation!
✅ Correct Answer: Automated manufacturing machine
IIoT includes smart factory systems for predictive maintenance and automation.
23. Which one is NOT an advantage of IoT?
IoT का कौन सा लाभ नहीं है?
See Explanation!
✅ Correct Answer: Manual data entry
IoT automates data collection, reducing the need for manual input.
24. Which wireless technology is commonly used in smart home systems?
स्मार्ट होम सिस्टम में आमतौर पर किस वायरलेस तकनीक का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Zigbee
Zigbee is efficient and reliable for smart home mesh networks.
25. What does the term “smart grid” refer to in IoT?
IoT में "स्मार्ट ग्रिड" शब्द का क्या अर्थ है?
See Explanation!
✅ Correct Answer: An electricity grid that uses IoT for monitoring and automation
Smart grids use IoT to optimize electricity delivery and usage.
26. Which technology allows IoT devices to operate on low power over long ranges?
कौन सी तकनीक IoT उपकरणों को लंबी दूरी तक कम बिजली पर संचालित करने की अनुमति देती है?
See Explanation!
✅ Correct Answer: LoRa
LoRa enables long-range, low-power wireless communication.
27. What does “smart city” imply in IoT?
IoT में "स्मार्ट सिटी" का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Use of IoT to optimize infrastructure and services
IoT in smart cities improves traffic flow, waste management, lighting, etc.
28. Which protocol uses “publish-subscribe” messaging in IoT?
IoT में कौन सा प्रोटोकॉल “प्रकाशित-सदस्यता” संदेश का उपयोग करता है?
See Explanation!
✅ Correct Answer: MQTT
MQTT is built on publish/subscribe architecture for efficient data transfer.
29. In IoT, what is a “node”?
IoT में "नोड" क्या है?
See Explanation!
✅ Correct Answer: Any device that sends/receives data
Nodes are devices connected to the IoT network (e.g., sensors, actuators).
30. What is an example of a cloud platform used in IoT?
IoT में प्रयुक्त क्लाउड प्लेटफ़ॉर्म का एक उदाहरण क्या है?
See Explanation!
✅ Correct Answer: AWS IoT Core
AWS IoT Core enables cloud-based data collection and device management.
31. Which component acts upon commands in an IoT system?
IoT सिस्टम में कौन सा घटक कमांड पर कार्य करता है?
See Explanation!
✅ Correct Answer: Actuator
Actuators execute physical actions based on control signals.
32. What type of data is mostly collected by IoT devices?
IoT उपकरणों द्वारा किस प्रकार का डेटा अधिकतर एकत्र किया जाता है?
See Explanation!
✅ Correct Answer: Real-time sensor data
Most IoT devices collect time-sensitive environmental and usage data.
33. Which platform is open-source and widely used for DIY IoT projects?
कौन सा प्लेटफ़ॉर्म ओपन-सोर्स है और DIY IoT प्रोजेक्ट्स के लिए व्यापक रूप से उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Raspberry Pi
Raspberry Pi is an affordable, programmable board popular for IoT prototyping.
34. Which of the following is a data privacy concern in IoT?
निम्नलिखित में से कौन सा IoT में डेटा गोपनीयता चिंता का विषय है?
See Explanation!
✅ Correct Answer: Unauthorized access to user data
Privacy risks arise from sensitive data being shared or breached.
35. What’s a common energy source for IoT edge devices?
IoT एज डिवाइस के लिए सामान्य ऊर्जा स्रोत क्या है?
See Explanation!
✅ Correct Answer: Solar power
Solar panels can power remote, low-energy IoT devices.
36. What is fog computing?
फॉग कंप्यूटिंग क्या है?
See Explanation!
✅ Correct Answer: Data processing closer to the edge, before cloud
Fog computing processes data locally before sending it to the cloud.
37. Which IoT system helps track packages in real-time?
कौन सी IoT प्रणाली वास्तविक समय में पैकेजों को ट्रैक करने में मदद करती है?
See Explanation!
✅ Correct Answer: Fleet management
Fleet management uses GPS and IoT for vehicle and shipment tracking.
38. Which of these is NOT a sensor?
इनमें से कौन सेंसर नहीं है?
See Explanation!
✅ Correct Answer: Wi-Fi Router
Routers transmit data but do not sense physical phenomena.
39. Which statement best defines interoperability in IoT?
कौन सा कथन IoT में अंतरसंचालनीयता को सबसे अच्छी तरह से परिभाषित करता है?
See Explanation!
✅ Correct Answer: Devices from different vendors can work together
Interoperability ensures devices from different manufacturers communicate seamlessly.
40. Which technology is used for short-range, contactless payments?
कम दूरी के संपर्क रहित भुगतान के लिए किस तकनीक का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: NFC
NFC is ideal for secure, contactless data exchange at short range.
41. Which of the following is a low-power wide-area network (LPWAN) technology?
निम्न में से कौन सी कम-शक्ति वाइड-एरिया नेटवर्क (LPWAN) तकनीक है?
See Explanation!
✅ Correct Answer: LoRaWAN
LoRaWAN is designed for long-range, low-power communication for IoT.
42. Which of the following best describes the term “digital twin”?
निम्नलिखित में से कौन सा शब्द “डिजिटल ट्विन” का सबसे अच्छा वर्णन करता है?
See Explanation!
✅ Correct Answer: A virtual model of a physical object
Digital twins simulate real-world systems for analysis and optimization.
43. What is a drawback of IoT?
IoT की कमी क्या है?
See Explanation!
✅ Correct Answer: High energy consumption
Many IoT devices must always be on, which increases energy demand.
44. Which of the following is an IoT operating system?
निम्नलिखित में से कौन सा IoT ऑपरेटिंग सिस्टम है?
See Explanation!
✅ Correct Answer: RIOT OS
RIOT OS is built for constrained IoT devices with low power.
45. Which wireless technology is commonly used in wearable IoT devices?
पहनने योग्य IoT उपकरणों में आमतौर पर किस वायरलेस तकनीक का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Bluetooth Low Energy (BLE)
BLE is ideal for short-range, energy-efficient communication in wearables.
46. Which component of IoT handles analytics and visualization?
IoT का कौन सा घटक एनालिटिक्स और विज़ुअलाइज़ेशन को संभालता है?
See Explanation!
✅ Correct Answer: Cloud platform
Cloud platforms process and visualize large volumes of sensor data.
47. What is latency in IoT networking?
IoT नेटवर्किंग में विलंबता क्या है?
See Explanation!
✅ Correct Answer: Delay between sending and receiving data
Latency refers to the time delay in data communication.
48. Which of the following ensures encrypted data transfer in IoT?
निम्नलिखित में से कौन IoT में एन्क्रिप्टेड डेटा ट्रांसफर सुनिश्चित करता है?
See Explanation!
✅ Correct Answer: TLS/SSL
TLS/SSL encrypts data transmitted between IoT devices and servers.
49. What kind of devices does “smart home” IoT typically involve?
“स्मार्ट होम” IoT में आमतौर पर किस तरह के उपकरण शामिल होते हैं?
See Explanation!
✅ Correct Answer: Smart lights and thermostats
Smart homes use IoT devices to control lighting, temperature, security, etc.
50. Which cloud provider offers IoT-specific services like device shadows?
कौन सा क्लाउड प्रदाता IoT-विशिष्ट सेवाएँ प्रदान करता है जैसे डिवाइस शैडो?
See Explanation!
✅ Correct Answer: AWS IoT Core
AWS IoT Core provides digital twins, rules engine, and secure messaging.
51. Which of the following is an example of environmental IoT monitoring?
निम्नलिखित में से कौन सा पर्यावरण IoT निगरानी का उदाहरण है?
See Explanation!
✅ Correct Answer: Air pollution sensor
Environmental IoT includes devices for measuring air, water, and soil quality.
52. Which IoT device helps in remote patient monitoring?
कौन सा IoT डिवाइस दूरस्थ रोगी निगरानी में मदद करता है?
See Explanation!
✅ Correct Answer: ECG sensor patch
ECG patches transmit heart activity remotely to doctors.
53. What does the term “scalability” mean in an IoT system?
IoT सिस्टम में “स्केलेबिलिटी” शब्द का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Capability to add more devices without performance drop
Scalability ensures IoT systems can grow without breaking down.
54. Which device uses GPS in an IoT system?
IoT प्रणाली में कौन सा उपकरण GPS का उपयोग करता है?
See Explanation!
✅ Correct Answer: Delivery drone
GPS tracks location in delivery and transportation systems.
55. Which IoT standard is used for smart energy meters?
स्मार्ट ऊर्जा मीटर के लिए किस IoT मानक का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: DLMS/COSEM
DLMS/COSEM is a global standard for smart metering.
56. Which of these devices typically uses a SIM card in IoT applications?
इनमें से कौन सा उपकरण आमतौर पर IoT अनुप्रयोगों में सिम कार्ड का उपयोग करता है?
See Explanation!
✅ Correct Answer: Vehicle telematics unit
Vehicle telematics units use SIM cards for mobile connectivity.
57. Which programming language is popular for microcontroller IoT coding?
माइक्रोकंट्रोलर IoT कोडिंग के लिए कौन सी प्रोग्रामिंग भाषा लोकप्रिय है?
See Explanation!
✅ Correct Answer: C/C++
C/C++ is widely used in Arduino and low-level device programming.
58. What does OTA stand for in IoT systems?
IoT प्रणालियों में OTA का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Over The Air
OTA updates allow remote firmware/software updates on IoT devices.
59. Which type of malware targets unsecured IoT devices for DDoS attacks?
किस प्रकार का मैलवेयर असुरक्षित IoT डिवाइसों को DDoS हमलों के लिए लक्षित करता है?
See Explanation!
✅ Correct Answer: Botnet (e.g., Mirai)
Botnets exploit vulnerable IoT devices for large-scale network attacks.
60. What does “context-aware” mean in IoT?
IoT में "संदर्भ-जागरूक" का क्या अर्थ है?
See Explanation!
✅ Correct Answer: A device can sense its environment
Context-aware devices adapt based on surrounding conditions (e.g., light, location).
61. Which of these is an IoT development board?
इनमें से कौन सा IoT विकास बोर्ड है?
See Explanation!
✅ Correct Answer: Arduino Uno
Arduino boards are widely used for building IoT prototypes.
62. What type of data format is commonly used in IoT communication?
IoT संचार में आमतौर पर किस प्रकार के डेटा प्रारूप का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: JSON
JSON is lightweight and easy for machines and humans to parse.
63. Which board has built-in Wi-Fi suitable for IoT applications?
किस बोर्ड में IoT अनुप्रयोगों के लिए उपयुक्त अंतर्निहित वाई-फाई है?
See Explanation!
✅ Correct Answer: ESP8266
ESP8266 is a low-cost Wi-Fi-enabled microcontroller.
64. What is a “thing” in IoT context?
IoT संदर्भ में “चीज़” क्या है?
See Explanation!
✅ Correct Answer: A physical object connected to the internet
“Thing” refers to any real-world object embedded with sensors and connectivity.
65. Which sensor detects movement?
कौन सा सेंसर गति का पता लगाता है?
See Explanation!
✅ Correct Answer: Motion detector (PIR)
PIR sensors detect motion using infrared technology.
66. Which cloud platform is tailored for industrial IoT?
औद्योगिक IoT के लिए कौन सा क्लाउड प्लेटफ़ॉर्म तैयार किया गया है?
See Explanation!
✅ Correct Answer: Azure IoT Hub
Azure IoT Hub manages device connectivity and analytics in industrial settings.
67. Which file format is used to describe structured data in IoT besides JSON?
JSON के अलावा IoT में संरचित डेटा का वर्णन करने के लिए किस फ़ाइल प्रारूप का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: XML
XML is used alongside JSON for data structuring and transfer.
68. What is the key concern for wearable IoT devices?
पहनने योग्य IoT उपकरणों के लिए मुख्य चिंता क्या है?
See Explanation!
✅ Correct Answer: Battery life
Wearables must conserve energy due to their small battery sizes.
69. Which device integrates both sensing and action in one unit?
कौन सा उपकरण संवेदन और क्रिया दोनों को एक इकाई में एकीकृत करता है?
See Explanation!
✅ Correct Answer: Transducer
Transducers convert one form of energy to another, acting as both sensor and actuator.
70. Which open-source tool is used for IoT data visualization?
IoT डेटा विज़ुअलाइज़ेशन के लिए किस ओपन-सोर्स टूल का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Grafana
Grafana is widely used to monitor and visualize time-series data from IoT devices.
71. Which of the following helps reduce bandwidth usage in IoT?
निम्नलिखित में से कौन IoT में बैंडविड्थ उपयोग को कम करने में मदद करता है?
See Explanation!
✅ Correct Answer: Edge processing
Processing data locally reduces the need to transmit large volumes.
72. What does AIoT stand for?
AIoT का क्या अर्थ है?
See Explanation!
✅ Correct Answer: Artificial Intelligence of Things
AIoT combines AI with IoT for smart decision-making at the edge.
73. What is the full form of RFID?
आरएफआईडी का पूर्ण रूप क्या है?
See Explanation!
✅ Correct Answer: Radio Frequency Identification
RFID tags use radio waves to identify and track objects.
74. Which of these best defines “smart farming”?
इनमें से कौन सा “स्मार्ट खेती” को सबसे अच्छी तरह परिभाषित करता है?
See Explanation!
✅ Correct Answer: Use of IoT to improve agriculture productivity
Smart farming includes IoT applications like soil sensors and automated irrigation.
75. Which protocol is best for power-constrained IoT devices?
बिजली की कमी वाले IoT उपकरणों के लिए कौन सा प्रोटोकॉल सबसे अच्छा है?
See Explanation!
✅ Correct Answer: MQTT
MQTT is lightweight, making it ideal for battery-powered devices.
76. Which layer of IoT architecture collects data?
IoT आर्किटेक्चर की कौन सी परत डेटा एकत्र करती है?
See Explanation!
✅ Correct Answer: Perception layer
The perception layer includes sensors and RFID that capture environmental data.
77. Which IoT technology is used in public bike-sharing systems?
सार्वजनिक बाइक-शेयरिंग सिस्टम में किस IoT तकनीक का उपयोग किया जाता है?
See Explanation!
✅ Correct Answer: Cellular GPS tracking
GPS and cellular networks track bike locations and user activity.
78. What role does a microcontroller play in an IoT device?
IoT डिवाइस में माइक्रोकंट्रोलर की क्या भूमिका होती है?
See Explanation!
✅ Correct Answer: Controls the device’s logic and operations
Microcontrollers handle inputs, outputs, and program execution in embedded systems.
79. Which of the following is a communication protocol used in IoT mesh networks?
निम्नलिखित में से कौन सा संचार प्रोटोकॉल IoT मेश नेटवर्क में उपयोग किया जाता है?
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✅ Correct Answer: Zigbee
Zigbee supports low-power mesh networking among IoT devices.
80. Which of the following is NOT a challenge in IoT?
निम्नलिखित में से कौन IoT में चुनौती नहीं है?
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✅ Correct Answer: High printing cost
Printing cost is irrelevant to IoT systems.
81. Which mobile OS is most common in IoT apps?
IoT ऐप्स में कौन सा मोबाइल OS सबसे आम है?
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✅ Correct Answer: Android
Android powers many smartphones and IoT gateways.
82. Which term describes unauthorized access to IoT devices?
कौन सा शब्द IoT उपकरणों तक अनधिकृत पहुँच का वर्णन करता है?
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✅ Correct Answer: Hacking
Hacking compromises IoT security and privacy.
83. Which data format is both machine-readable and human-readable?
कौन सा डेटा प्रारूप मशीन-पठनीय और मानव-पठनीय दोनों है?
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✅ Correct Answer: JSON
JSON is easy to read and parse.
84. Which cloud service type fits best for IoT analytics?
IoT एनालिटिक्स के लिए कौन सी क्लाउड सेवा प्रकार सबसे उपयुक्त है?
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✅ Correct Answer: PaaS
PaaS offers a platform to develop, run, and analyze IoT solutions.
85. Which of these best defines LPWAN?
इनमें से कौन LPWAN को सर्वोत्तम रूप से परिभाषित करता है?
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✅ Correct Answer: Low-powered wide-area network
LPWANs enable long-range communication with minimal power consumption.
86. Which of these is a potential future trend in IoT?
इनमें से कौन सा IoT में संभावित भविष्य की प्रवृत्ति है?
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✅ Correct Answer: Edge AI integration
Combining AI with edge computing will drive intelligent decision-making.
87. Which sensor type is used in smart parking systems?
स्मार्ट पार्किंग सिस्टम में किस प्रकार के सेंसर का उपयोग किया जाता है?
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✅ Correct Answer: Ultrasonic sensor
Ultrasonic sensors detect the presence of vehicles in parking spots.
88. Which standard helps IoT devices communicate without human interaction?
कौन सा मानक IoT उपकरणों को मानवीय संपर्क के बिना संचार करने में मदद करता है?
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✅ Correct Answer: M2M (Machine-to-Machine)
M2M enables device-to-device communication without human input.
89. What is the purpose of OTA updates in IoT?
IoT में OTA अपडेट का उद्देश्य क्या है?
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✅ Correct Answer: Upgrade firmware remotely
OTA allows device updates without physical access.
90. What is a “hub” in IoT smart home systems?
IoT स्मार्ट होम सिस्टम में "हब" क्या है?
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✅ Correct Answer: Central device controlling others
The hub connects and controls various smart devices.
91. Which technology supports IoT in industrial automation?
औद्योगिक स्वचालन में कौन सी तकनीक IoT का समर्थन करती है?
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✅ Correct Answer: PLC with IoT
Programmable Logic Controllers integrated with IoT enhance automation.
92. Which of these is a major environmental benefit of IoT?
इनमें से कौन सा IoT का प्रमुख पर्यावरणीय लाभ है?
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✅ Correct Answer: Reduced water and energy waste
IoT can monitor and reduce resource consumption.
93. Which IoT component interprets sensor data for action?
कौन सा IoT घटक कार्रवाई के लिए सेंसर डेटा की व्याख्या करता है?
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✅ Correct Answer: Microcontroller
Microcontrollers process inputs and make real-time decisions.
94. Which of the following is a high-level IoT language?
निम्न में से कौन सी उच्च स्तरीय IoT भाषा है?
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✅ Correct Answer: Python
Python is widely used in IoT for rapid development and prototyping.
95. Which IoT application helps prevent theft?
कौन सा IoT एप्लिकेशन चोरी रोकने में मदद करता है?
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✅ Correct Answer: Smart camera
Smart cameras detect motion and alert users remotely.
96. What is the use of MAC address in IoT?
IoT में MAC एड्रेस का क्या उपयोग है?
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✅ Correct Answer: Identifies unique devices in a network
MAC addresses uniquely identify devices on a local network.
97. Which of the following enables IoT devices to talk over the internet?
निम्नलिखित में से कौन IoT उपकरणों को इंटरनेट पर बात करने में सक्षम बनाता है?
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✅ Correct Answer: IP address
IP addresses are required for internet communication.
98. Which is NOT a real-time IoT application?
कौन सा वास्तविक समय IoT अनुप्रयोग नहीं है?
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✅ Correct Answer: Online photo editing
Online photo editing doesn’t involve real-time IoT systems.
99. What ensures fault tolerance in IoT?
IoT में दोष सहिष्णुता क्या सुनिश्चित करती है?
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✅ Correct Answer: Redundancy and distributed architecture
IoT systems should be resilient and maintain operation during failures.
100. Which communication mode uses minimal power and transmits small data packets?
कौन सा संचार मोड न्यूनतम शक्ति का उपयोग करता है और छोटे डेटा पैकेट प्रसारित करता है?
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✅ Correct Answer: Zigbee
Zigbee is efficient for transmitting small bursts of data over short distances.