CompTIA Network+ Question A-76

A company is experiencing very slow network speeds of 54Mbps. A technician has been hired to perform an assessment on the existing wireless network. The technician has recommended an 802.11n network infrastructure. Which of the following allows 802.11n to reach higher speeds?

A. MU-MIMO
B. LWAPP
C. PoE
D. MIMO

Correct Answer: D

Explanation:
One way 802.11n achieves superior throughput is through the use of a technology called multiple input, multiple output (MIMO). MIMO uses multiple antennas for transmission and reception.