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Online Exam Quiz

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Exit Quiz

Which IoT communication protocol is commonly used in industrial automation and control systems?

  • MQTT
  • Modbus
  • CoAP
  • XMPP
Mark for review

Which IoT security mechanism involves verifying the identity of users or devices?

  • Encryption
  • Authentication
  • Authorization
  • Intrusion detection
Mark for review

Which of the following is a characteristic of a smart grid enabled by IoT?

  • Unidirectional energy flow
  • Inefficient energy distribution
  • Real-time monitoring and control
  • Limited renewable energy integration
Mark for review

Which of the following is NOT a benefit of using IoT in retail?

  • Personalized shopping experiences
  • Inventory management
  • Increased operational costs
  • Enhanced customer engagement
Mark for review

Which IoT communication protocol is commonly used for real-time bidirectional communication between devices and the cloud?

  • MQTT
  • HTTP
  • CoAP
  • XMPP
Mark for review

Which of the following wireless technologies is commonly used for indoor positioning in IoT applications?

  • GPS
  • Wi-Fi
  • Zigbee
  • LoRa
Mark for review

Which of the following is NOT a security concern in IoT devices?

  • Data privacy
  • Physical security
  • Environmental sustainability
  • Unauthorized access
Mark for review

Which of the following is NOT a characteristic of a smart home IoT system?

  • Remote monitoring and control
  • Energy efficiency
  • Lack of interoperability
  • Enhanced security
Mark for review

Which layer of the IoT architecture is responsible for aggregating data from various sensors and devices?

  • Perception layer
  • Network layer
  • Application layer
  • Presentation layer
Mark for review

Which IoT communication protocol is commonly used for communication between embedded systems and mobile devices?

  • MQTT
  • HTTP
  • CoAP
  • XMPP
Mark for review

Which IoT communication protocol is commonly used for RFID systems?

  • MQTT
  • HTTP
  • CoAP
  • EPCglobal
Mark for review

Which of the following is NOT a challenge in implementing IoT in the healthcare industry?

  • Data security
  • Interoperability
  • Patient confidentiality
  • Lack of regulatory compliance
Mark for review

Which of the following is a key challenge in IoT device management?

  • Data encryption
  • Device authentication
  • Firmware updates
  • Data analytics
Mark for review

Which of the following is a disadvantage of using cloud-based IoT solutions?

  • Scalability
  • Low-latency data processing
  • Reduced maintenance overhead
  • Data privacy concerns
Mark for review

Which of the following is NOT a security threat in IoT networks?

  • Data breaches
  • Denial of Service (DoS) attacks
  • Physical tampering
  • Cloud computing
Mark for review

Which of the following is a characteristic of a smart building enabled by IoT?

  • Increased energy consumption
  • Manual control systems
  • Real-time energy monitoring
  • Limited connectivity
Mark for review

Which of the following is a privacy concern associated with IoT devices?

  • Data encryption
  • Data integrity
  • Data collection
  • Data authentication
Mark for review

Which IoT communication protocol is known for its lightweight nature and is commonly used in constrained devices?

  • MQTT
  • HTTP
  • CoAP
  • XMPP
Mark for review

Which of the following is a characteristic of fog computing in IoT?

  • Centralized data processing
  • Low-latency data processing
  • Reliance on cloud servers
  • High bandwidth requirements
Mark for review

Which IoT security mechanism involves converting data into a form that is unintelligible to unauthorized users?

  • Authentication
  • Authorization
  • Encryption
  • Intrusion detection
Mark for review

Which layer of the IoT architecture is responsible for processing and analyzing data?

  • Perception layer
  • Network layer
  • Application layer
  • Application layer
Mark for review

Which IoT communication protocol is commonly used for communication between resource-constrained devices?

  • MQTT
  • HTTP
  • CoAP
  • XMPP
Mark for review

Which wireless technology is typically used for long-range communication in IoT applications?

  • Zigbee
  • LoRaWAN
  • RFID
  • NFC
Mark for review

Which layer of the OSI model is primarily responsible for ensuring data integrity in IoT networks?

  • Application layer
  • Transport layer
  • Network layer
  • Data link layer
Mark for review

Which IoT communication protocol is based on the RESTful architecture and widely used in web services?

  • MQTT
  • HTTP
  • CoAP
  • XMPP
Mark for review

Which IoT communication protocol is based on UDP and widely used for real-time streaming applications?

  • HTTP
  • CoAP
  • MQTT
  • XMPP
Mark for review

Which of the following is a privacy concern associated with wearable IoT devices?

  • Device interoperability
  • Location tracking
  • Low processing power
  • Limited battery life
Mark for review

Which layer of the IoT architecture is responsible for routing data between devices and the cloud?

  • Perception layer
  • Network layer
  • Application layer
  • Presentation layer
Mark for review

Which layer of the IoT architecture is responsible for data visualization and user interaction?

  • Perception layer
  • Network layer
  • Application layer
  • Presentation layer
Mark for review

Which of the following is a key component of edge computing in IoT?

  • Cloud servers
  • Centralized data processing
  • Local data processing
  • High-speed internet connection
Mark for review

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