Explanation: AWS is an example of an IoT platform that offers cloud-based services for IoT applications.

Explanation: Authentication involves verifying the identity of devices or users before granting access, enhancing IoT security.

Explanation: While IoT has many practical applications, teleportation is not one of them. The other options represent real-world IoT applications.

Explanation: Zigbee is commonly used in IoT for applications like home automation and smart lighting due to its low power consumption.

Explanation: BLE stands for Bluetooth Low Energy, a wireless technology commonly used in IoT for low-power communication.

Explanation: While microwave ovens can be connected to the internet, they are not a typical component of IoT systems. Sensors, cloud computing, and artificial intelligence are more commonly associated with IoT.

Explanation: An IoT dashboard is used to display real-time data collected from IoT devices for monitoring and analysis.

Explanation: Fitbit is an example of a wearable IoT device designed to track fitness and health-related data.

Explanation: IoMT stands for Internet of Medical Things, which refers to the use of IoT in the healthcare industry for medical devices and applications.

Explanation: IoT stands for "Internet of Things," which refers to the network of physical objects or "things" embedded with sensors, software, and connectivity to exchange data over the internet.

Explanation: IoT actuators are responsible for taking actions based on data collected by sensors, making them a key component for decision-making in IoT.

Explanation: LPWAN stands for Low-Power Wide Area Network, which is used in IoT for long-range, low-power communication.

Explanation: In a mesh topology, IoT devices communicate directly with each other, forming a network without the need for a central hub.

Explanation: "M2M" stands for Machine-to-Machine communication, which is a key aspect of IoT where devices communicate directly with each other.

Explanation: CoAP is commonly used in IoT for device management and efficient updates of firmware and software.

Explanation: MQTT (Message Queuing Telemetry Transport) is commonly used in IoT for home automation and other applications due to its lightweight and efficient messaging protocol.

Explanation: Fog computing in IoT aims to reduce latency by processing data closer to the source, which can be advantageous for real-time applications.

Explanation: Edge computing in IoT helps reduce network bandwidth usage by processing data closer to the source, reducing the need to transmit large amounts of data to the cloud.

Explanation: One of the security concerns in IoT is the lack of proper device authentication, which can make IoT devices vulnerable to unauthorized access.

Explanation: RFID stands for Radio-Frequency Identification, a technology used in IoT for tracking and identifying objects using radio waves.

Explanation: IoT analytics is used to analyze data collected from IoT devices to gain insights and make informed decisions.

Explanation: IoT sensors are primarily used to collect data from the physical world, which can then be processed and analyzed.

Explanation: An IoT gateway serves as a bridge between IoT devices and the cloud, allowing data from devices to be sent to the cloud for processing and storage.

Explanation: IoT (Internet of Things) involves connecting everyday objects to the internet to enable remote monitoring and control.

Explanation: Zigbee is a wireless technology commonly used for IoT devices due to its low power consumption, making it suitable for battery-operated devices.