IoTRIX

What was the first iot device?

• a coke vending machine

• a toaster

• webcam prototype

• refrigerator

Answer explanation

In 1990, John Romkey created the first IOT device – a toaster that could be turned on and off over the Internet

Which of the following is NOT an IoT protocol?

• MQTT

• HTTP

• CoAP

• SMTP

Which of the following is NOT an example of a sensor used in IoT devices?

• Temperature sensor

• Motion sensor

• Heart rate sensor

• Barcode scanner

What is the name for the network of IoT devices connected within a particular geographic area?

• Local Area Network (LAN)

• Wide Area Network (WAN)

• Personal Area Network (PAN)

• Metropolitan Area Network (MAN)

Which of the following is NOT a layer of the IoT architecture?

• Physical Layer

• Network Layer

• Cloud Layer

• User Layer

Which of the following is a benefit of edge computing in IoT?

• Reduced latency

• Lower cost

• Increased scalability

• All of the above

What is the purpose of a digital twin in IoT?

• To create a virtual representation of a physical device

• To monitor and control IoT devices remotely

• To collect and analyze data from IoT devices

• None of the above

What is the name for the process of transmitting data from an IoT device to a cloud server?

• Telemetry

• Teleoperation

• Telepresence

• None of the above

Which of the is NOT a challenge in implementing IoT in agriculture?

• Limited connectivity in rural areas

• High cost of IoT devices

• Difficulty in integrating with existing systems

• None of the above

Which of the following is an example of a security mechanism used in IoT?

• Encryption

• Authentication

• Access control

• All of the above