Wireless Network Standards

Question 1

What is the wireless networking standard?

Answer 1

IEEE (Institute of Electrical and Electronics Engineers) 802.11

Question 2

what is the most recent version of 802?

Answer 2

802.11ax (wifi 6, operates at 5ghz, 2.4ghz. It has 20, 40, 80 and 160mhz channel widths with total thoroughput of 1,201 megabits plus 8 bi directional MU-MIMO streams

Question 3

what was one of the first 802 standards?

Answer 3

802.11a

Question 4

What is an issue with 2.4ghz range?

Answer 4

wireless devices are not the only thing that use this frequency. Baby monitors, cordless phones microwaves and bluetooth also use it.

Question 5

What is MIMO?

Answer 5

Multiple Input Multiple Output. a wireless communication technology that uses multiple transmitter and receiver antennas to increase the capacity of a radiolink.

Question 6

What is OFDMA?

Answer 6

Orthogonal frequency division multiple access. works similar to cellular communications, improves high density installations

Question 7

What is an RFID?

Answer 7

Radio Frequency Identification. Used in things like access badges, inventory tracking, pet identification or anything that needs tracking.

Question 8

What is NFC?

Answer 8

Near Field Communications an extension of RFID. Often used in things such as payment devices.