IoT-1

Which of these statements regarding sensors are TRUE?

• Sensors are input devices

• Sensors can be analog or digital

• Sensors respond to some external stimuli

• All the above

A DC motor is a type of:

• Pneumatic actuators

• Hydraulic actuators

• Electrical Actuators

• Mechanical Actuator

The MQTT publish-subscribe protocol is:

• Event Driven

• Broker Driven

• Client Driven

• All of these

Bluetooth is a technology with

• Full duplex links

• Half duplex links

• Both a & b

• None of these

IoT refers to :

• Interconnections of devices in a network

• Exchange of data between devices in a network

• An ecosystem of devices, accessible through internet.

• All the above.

Devices in IoT support :

• Sensing

• Actuating

• Data collection

• All the above

The important technology used in IoT

• Cloud computing

• WSN

• Bigdata

• All of the above

The thing of IoT performs

• Sensing

• Actuating

• Both

• None

REST API follows ________ communication model

• Exclusive Pair

• Push pull

• Publish Subscribe

• Request Response

One of these answers not example of IoT

• Fire defection

• Air pollution

• Chemical leakage detection in rivers

• Remote control