Questions and Answers
Which technology allows smart devices to collect and transfer data over a network?
Internet of Things (IoT)
What is the Internet of Things (IoT)?
A system of interconnected objects through the Internet
What is the main capability of smart devices in the context of IoT?
Capability to take decisions based on collected data
What kind of objects can be part of the Internet of Things (IoT) system?
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Which cloud-based applications are commonly associated with IoT?
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Explain the concept of Internet of Things (IoT) and provide an example of a smart device that can be part of an IoT system.
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What are the different levels of security that need to be considered in cloud infrastructure?
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Name programming models commonly associated with cloud computing, and provide an example of their usage.
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Provide examples of open source and commercial cloud applications commonly used for IoT.
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How do smart devices interact with the external environment in the context of IoT?
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Study Notes
Internet of Things (IoT)
- Communication Technology: Wi-Fi, Bluetooth, and Cellular networks enable smart devices to collect and transfer data over a network.
- Definition: IoT refers to the network of physical devices, vehicles, home appliances, and other items embedded with sensors, software, and connectivity, allowing them to collect and exchange data.
- Smart Device Capability: Smart devices can collect, send, and receive data, interacting with the environment and other devices.
IoT Device Examples
- Smart Home: Thermostats, security cameras, and refrigerators can be part of an IoT system.
- Wearables: Smartwatches and fitness trackers can collect and transmit health data.
Cloud Applications and IoT
- Cloud Associations: AWS IoT, Microsoft Azure IoT, and Google Cloud IoT are commonly associated with IoT.
- Programming Models: Event-driven, stream processing, and microservices are programming models associated with cloud computing.
- Example: Using AWS Lambda for serverless computing in IoT applications.
Cloud Infrastructure Security
- Multi-Level Security: Network, application, and data security levels need to be considered in cloud infrastructure.
Cloud Applications for IoT
- Open Source: Eclipse IoT, OpenRemote, and Zetta are open-source cloud applications for IoT.
- Commercial: AWS IoT Device Management, Microsoft Azure IoT Hub, and Google Cloud IoT Core are commercial cloud applications for IoT.
Smart Device Interaction
- Environmental Interaction: Smart devices interact with the external environment through sensors, actuators, and other devices, collecting and responding to data.
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