Wireless Standards and Protocols

Which wireless standard operates at 5 GHz and has a shorter range?

• 802.11b

• B. 802.11a

• 802.11g

• 802.11n

Which wireless standard operates at 2.4 GHz and has longer range but slower speed?

• 802.11a

• 802.11n

• 802.11b

• 802.11ac

Which standard is backward compatible with 802.11b?

• 802.11a

• 802.11g

• 802.11ac

• 802.11ax

Which standard introduced MIMO technology and can use both 2.4 GHz and 5 GHz?

• 802.11b

• 802.11a

• 802.11n

• 802.11ax

Which wireless standard is also called Wi-Fi 6?

• 802.11g

• 802.11n

• 802.11ac

• 802.11ax

Which standard is known for high speed performance on 5 GHz?

• 802.11g

• 802.11n

• 802.11ac

• 802.11b

Which wireless technology is best for short-range device-to-device connections like headsets and speakers?

• NFC

• Infrared

• Bluetooth

• Wi-Fi

Which wireless protocol is used for secure and very short-range transactions, like tap-to-pay?

• Bluetooth

• Infrared

• NFC

• 802.11n

Which technology requires line-of-sight to work properly?

• NFC

• Infrared

• Bluetooth

• Wi-Fi

Which frequency band provides longer range but more interference?

• 5 GHz

• 2.4 GHz

• 6 GHz

• 60 GHz