The 80211n Wi-Fi Product May Come with the Concurrent Dual-Band Transmissions

Multiple Choice

The 802.11n Wi-Fi product may come with the concurrent dual-band transmissions. Which is correct about the technology?

A) Two 2.4GHz frequency channels can be used concurrently to transmit data.
B) Two 2.4GHz and 5.0GHz frequency channels can be used concurrently to transmit data.
C) Two 5.0GHz frequency channels can be used concurrently to transmit data.
D) Within a Basic Service Set, two clients are allowed to exchange data with the AP through the same frequency channel.
E) Within a Basic Service Set, two clients are allowed to concurrently exchange data with the AP through two different channels of a frequency band (either 2.4 or 5GHz band) .