Which technology allows 802.11n to scale up to speeds of 600 Mbps?

A.
Wi-Fi Protected Access (WPA)

B.
Dynamic Frequency Selection (DFS)

C.
Spatial Multiplexing (SM)

D.
Multiple-Input Multiple-Output (MIMO)

Explanation:
802.11n data rates depend upon AP configuration; reaching 600 Mbps requires 4×4 MIMO (multiple-input
multiple-output)
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