IOT

Question 1

What is 802.11 ?

Answer 1

Wireless networks that can operate in infrastructure or ad hoc modes

Question 2

What is bluetooth and its use case?

Answer 2

Low energy use variant of bluetooth which allows for a mesh network

Question 3

What is RFID and its use case ?

Answer 3

It uses electromagnetic fields to read data stored in embedded tags.
uses : Used in Keycards

Question 4

What is NFC and its use case ?

Answer 4

It enabled two devices to communicate within a 4cm range.
uses: Samsung pay , Apple Pay , Google Pay on phone to reader

Question 5

What is InfraRed and its use case ?

Answer 5

It operates within a line of sight .
uses : Remote controls

Question 6

What is Z-Wave and its use case?

Answer 6

Z-wave provides short range,low latency data transfer with slower rates and less power consumption than wi-fi
uses : primarily for Home automation

Question 7

What is ANT+ and its use case ?

Answer 7

It is used for the collection of sensory of data
uses : temperature sensors , humidity sensors