On an Aironet card, LED 0 and LED 1 are blinking alternately. What does this indicate?
A.
The Aironet card is in power save mode.
B.
The Aironet card is looking for a network association.
C.
The Aironet card is joined to a network, but there is no network activity.
D.
The Aironet card is joined to a network, and there is network activity.