When performing protocol analysis, you capture an 802.11ac data frame on channel 52, transmitted at MSC 8.
At what data rate was the PHY Preamble transmitted?
A. 54 Mbps
B. 6 Mbps
C. 86.7 Mbps
D. 78 Mbps
Answer: B
Explanation:The transmitter sends the preamble at 1 Mbps (802.11 or 802.11b DSSS) or 6 Mbps (802.11a or 802.11g ERP-OFDM).
Reference: http://mediA.techtarget.com/searchMobileComputing/downloads/CWAP_ch8.pdf