ES &IoT-PART 5

Which challenge comes when we use many devices on the same network?

• Security
• Signaling
• Presence detection
• Power consumption

                 are the devices that are able to emit, accept and process data over the network.

• Sensors
• Gateways
• Edge IT
• Data Acquisition

Which of the following is false about IoT devices?

• IoT devices use the
• IoT devices need
• IoT devices use wireless
• IoT devices are

Which layer is used for wireless connection in IoT devices?

• Application layer
• Network layer
• Data link layer
• Transport 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 is not a sensor in IoT?

• BMP280
• DHT11
• Photoresistor
• LED

Which of the following protocol is used to link all the devices in the IoT?

• HTTP
• UDP
• Network
• TCP/IP

MQTT is mainly used for                          

• M2M communication
• Device communication
• Internet communication
• Wireless communication

MQTT is                       oriented.

• Data
• Message
• Network
• Device

Full form of MQTT              

• Message Queuing Telemetry Transport
• Message Queuing Track Transport
• Message Queue Telegram Transport
• Message Queue Time Transport