CompTIA Network+ Network+ Wireless Networking Standards 2

Question 1

Which 802.11 amendment introduced Multi-User MIMO (MU-MIMO) allowing simultaneous transmission to multiple clients?

Accepted Answer

802.11ac Wave 2

Answer

802.11n

Answer

802.11g

Answer

802.11a

Question 2

What is the maximum number of spatial streams supported by 802.11ac?

Accepted Answer

8

Answer

2

Answer

4

Answer

16

Question 3

A technician needs to deploy Wi-Fi in a high-density stadium environment. Which 802.11ax (Wi-Fi 6) feature most directly addresses this need?

Accepted Answer

OFDMA

Answer

OFDM

Answer

DSSS

Answer

FHSS

Question 4

Which wireless standard operates exclusively in the 60 GHz band and is designed for short-range, high-bandwidth applications?

Accepted Answer

802.11ad

Answer

802.11ac

Answer

802.11ax

Answer

802.11n

Question 5

What modulation scheme does 802.11ax (Wi-Fi 6) support that 802.11ac does not?

Accepted Answer

1024-QAM

Answer

64-QAM

Answer

256-QAM

Answer

512-QAM

Question 6

A wireless network shows clients connecting at 54 Mbps on the 2.4 GHz band. Which standard is most likely in use?

Accepted Answer

802.11g

Answer

802.11b

Answer

802.11n

Answer

802.11a

Question 7

Which Wi-Fi generation introduced Target Wake Time (TWT) to improve battery life for IoT devices?

Accepted Answer

Wi-Fi 6 (802.11ax)

Answer

Wi-Fi 4 (802.11n)

Answer

Wi-Fi 5 (802.11ac)

Answer

Wi-Fi 6E (802.11ax extended)