When your smartwatch notifies you of a new message, this is an example of:

  • H2M (Human-to-Machine) communication
  • M2H (Machine-to-Human) communication
  • M2M (Machine-to-Machine) communication
  • P2P (Peer-to-Peer) communication
When your smartwatch notifies you of a new message, it's a classic example of M2H (Machine-to-Human) communication. The smartwatch (machine) is relaying information to you (human), indicating a message has arrived.

In a high-security facility, biometric devices are used for access control. To guarantee that these devices are running only authentic firmware, the facility should employ:

  • Code Signing
  • Firmware Updates
  • Hardware Redundancy
  • Intrusion Detection Systems
Code signing is essential to guarantee that biometric devices are running only authentic firmware. It verifies the authenticity and integrity of the firmware, preventing unauthorized changes. Firmware updates are important but don't guarantee authenticity. Hardware redundancy and intrusion detection systems focus on system reliability and security but not specifically firmware authenticity.

Which type of database is often preferred for IoT data storage due to its ability to handle large volumes of unstructured data?

  • Flat file database
  • Hierarchical database
  • NoSQL database
  • Relational database
NoSQL databases are often preferred for IoT data storage because they excel at handling large volumes of unstructured or semi-structured data. IoT devices generate a wide variety of data types, and NoSQL databases provide the flexibility and scalability required to store and query this data efficiently.

Which early technology played a significant role in the development of IoT concepts?

  • Artificial Intelligence (AI)
  • Blockchain
  • Internet Protocol (IP)
  • Radio Frequency Identification (RFID)
RFID technology played a significant role in the early development of IoT concepts. RFID tags and sensors allowed physical objects to be uniquely identified and tracked, which was a crucial foundation for the Internet of Things.

In which of the following applications would the M2M (Machine-to-Machine) communication model be most prevalent?

  • E-commerce websites connecting customers and vendors.
  • Healthcare devices monitoring patient vital signs.
  • Home automation systems controlling lighting, heating, and security.
  • Social media platforms for users to share photos and messages.
The M2M (Machine-to-Machine) communication model is most prevalent in applications such as home automation systems where machines (devices) communicate with each other to control various functions like lighting, heating, and security. This model is designed for seamless communication between machines to automate tasks and processes.

A city implements a new IoT-based traffic management system. However, citizens raise concerns that their movements are being tracked and stored without anonymization. This is a direct challenge to:

  • Data Privacy
  • Environmental Sustainability
  • Public Safety
  • Traffic Efficiency
The concern raised by citizens about tracking and storing their movements without anonymization pertains to data privacy. It highlights the need for privacy safeguards in IoT-based systems, especially in public infrastructure.

The integration of 5G in IoT is expected to revolutionize which of the following sectors?

  • Agriculture
  • All of the above
  • Healthcare
  • Transportation
The integration of 5G in IoT is expected to revolutionize all of these sectors. In healthcare, it will enable remote patient monitoring and real-time data transmission. In agriculture, it will enhance precision farming. In transportation, it will improve autonomous vehicles and smart traffic management.

Which phase of the IoT project lifecycle involves testing the solution in real-world conditions?

  • Deployment
  • Development
  • Evaluation
  • Testing
The Deployment phase in the IoT project lifecycle involves testing the solution in real-world conditions. It's the stage where the IoT system is put into operation and evaluated in a real environment. Development and Testing are earlier phases, while Evaluation typically follows deployment.

Among the following, which is NOT typically considered a standard protocol in IoT communications?

  • Bluetooth
  • HTTP
  • MQTT
  • XML-RPC
Bluetooth is not typically considered a standard protocol in IoT communications. While HTTP, MQTT, and XML-RPC are commonly used in IoT applications, Bluetooth is more commonly associated with short-range, point-to-point wireless connections between devices, making it less prevalent in broader IoT scenarios.

When considering power management for IoT devices, which factor is often the most critical?

  • Battery life
  • Memory size
  • Network connectivity
  • Processor speed
Battery life is often the most critical factor when considering power management for IoT (Internet of Things) devices. IoT devices are frequently deployed in locations where it is impractical to replace or recharge batteries frequently. Therefore, maximizing battery life is crucial to ensuring the longevity and reliability of IoT deployments.

In a smart city project, it was found that street lights were not adapting to the changing environment despite having sensors. This issue might be related to:

  • Connectivity issues
  • Lack of data analysis
  • Sensor calibration errors
  • Software bugs
Street lights not adapting to the environment could be due to sensor calibration errors. If the sensors are not correctly calibrated, they may not accurately perceive the changing environmental conditions and, consequently, may not trigger the desired adjustments in the street lights. Regular calibration and maintenance are essential.

During the ________ phase of the IoT project lifecycle, the system's performance is evaluated against the defined objectives.

  • Deployment
  • Implementation
  • Planning
  • Testing
During the Testing phase of the IoT project lifecycle, the system's performance is evaluated against the defined objectives to ensure that it meets the requirements and functions correctly.