Internet of Things

My watch displays the current weather downloaded from the internet. My watch is an IOT device.

• True

• Dont Know

• False

• May be

_______ are devices that detect and respond to changes in an environment. They’re embedded in smart phones and an integral part of the Internet of Things (IoT).

• Battery

• Memory

• Sensor

• Actuator

What is IoT?

• network of physical objects embedded with sensors

• network of virtual objects

• network of objects in the ring structure

• network of sensors

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
  

• Data link layer

• Transport layer

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

• HTTP
  

• UDP

• Network

• TCP/IP

CoAP is specialized in ___________

• Internet applications
  

• Device applications

• Wireless applications

• Wired applications

CoAP provides which of the following requirements?

• Multicast support and simplicity
  

• Low overhead and multicast support

• Simplicity and low overhead

• Multicast support, Low over head, and simplicity

MQTT is mainly used for __________

• M2M communication

• Device communication

• Internet communication

• Wireless communication