Which of the following is the data rate that is specified in the 802.11g amendment, but not in the 8

Which of the following is the data rate that is specified in the 802.11g amendment, but not in the 802.11a amendment to the IEEE 802.11-1999 (R2003) standard?

A.
2Mbps

B.
6 Mbps

C.
12 Mbps

D.
54 Mbps

E.
Both amendments support the same data rates