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EC-Council: Computer Hacking Forensic Investigator(CHFI-V10)
Module 16 : IoT Forensics
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Which layer in the IoT architecture is comprised of hardware parts such as sensors, RFID tags, and devices that play an important role in data collection?
A:    Middleware layer Edge
B:    Edge technology layer
C:    Application layer
D:    Access gateway layer
Explanation: IoT Architecture Edge Technology Layer : This layer consists of all hardware parts, such as sensors, RFID tags, readers or other soft sensors, and the device itself Access Gateway Layer: This layer helps bridge the gap between two end points, such as a device and a client. The very first data handling also takes place in this layer. It carries out message routing, message identification, and subscription Internet Layer: This is one of the crucial layers within the IoT architecture, as it serves as the main component in communicating between two end points. Middleware Layer: This is one of the most critical layers in the two-way mode. As the name suggests, this layer sits in the middle of the application layer and the hardware layer, thus behaving as an interface between these two layers Application Layer: This layer, placed at the top of the stack, is responsible for the delivery of services to the respective users from different sectors such as building, industrial, manufacturing, automobile, security, and healthcare