Wireless standards

Question 1

802.11

Answer 1

Base standard for Wi-Fi technologies using FHSS/DSSS.

Question 2

802.11a

Answer 2

• 5 GHz frequency\n- 54 Mbps speed\n- Enhanced version for MAC layer

Question 3

802.11b

Answer 3

• 2.4 GHz frequency\n- 11 Mbps speed

Question 4

802.11g

Answer 4

• Compatible with 802.11b\n- OFDM modulation\n- Extended bandwidth\n- 2.4 GHz frequency

Question 5

802.11n

Answer 5

• Up to 300 Mbps\n
• MIMO+OFDM
• dual band (2,4 and 5 GHz)

Question 6

802.11ac

Answer 6

faster and more reliable version of 802.11a but still on the 5GHz band.

Question 7

802.11ax

Answer 7

• Also known as Wi-Fi 6
• Works on 2.4 GHz - 6 GHz
• Better performance in dense environments

Question 8

802.11ad

Answer 8

• Operates at 60 GHz\n- Ultra high throughput

Question 9

802.11e

Answer 9

• Quality of Service (QoS)\n- Streaming support

Question 10

802.11i

Answer 10

• Security and encryption standard\n- Uses TKIP and AES

Question 11

802.11d

Answer 11

-Standard meant for the internationalization of the internet.

Question 12

802.16

Answer 12

• Known as WiMAX\n- Broadband wireless access

Question 13

802.15

Answer 13

• Standard for WPAN (Wireless Personal Area Networks)\n- Covers Bluetooth and mesh networks

Question 14

802.15.1

Answer 14

• Bluetooth standard

Question 15

802.15.4

Answer 15

• Used for Zigbee\n- Supports full/half mesh networks\n- 2.4 GHz frequency

Question 16

802.15.5

Answer 16

• WPAN mesh networking standard\n- Supports both full and half mesh topologies\n- Operates in the 2.4 GHz band\n- Optimized for low-power and low-data-rate devices

Question 17

802.1X

Answer 17

network access control protocol that uses the EAP to facilitate authentication between a supplicant, an authenticator, and an authentication server.