IOT_Unit1

What is IoT?

• network of physical objects embedded with sensors

• network of virtual objects

• network of objects in the ring structure

• network of sensors

Who coined the term “Internet of Things”?

• Kevin Aston

• John Wright

• Edward Jameson

• George Garton

Which of the following is false about IoT devices?

• IoT devices use the internet for collecting and sharing data

• IoT devices need microcontrollers

• IoT devices use wireless technology

• IoT devices are completely safe

Which layer is used for wireless connection in IoT devices?

• Application layer

• Network layer

• Device layer

• Service layer

Which of the following is used to capture data from the physical world in IoT devices?

• Sensors

• Actuators

• Microprocessors

• Microcontrollers

Which of the following command is used to trigger the Amazon echo IOT device?

• Hello

• Siri

• Alexa

• Hey

How many layers in IOT reference model?

• 4

• 7

• 6

• 8

Which layer is responsible for Database processing?

• Device Layer

• Service Layer

• Network Layer

• Application Layer

Which layer is known as perception layer?

• Network Layer

• Management Layer

• Service layer

• Device Layer

Information from the network layer is often managed with the help of ---------------

• Controller

• IoT middleware

• Actuator

• Service Provider