Which statement is true about clustered Data ONTAP 8.2 node based licensing?

A.
When replacing a controller for a RMA the key is automatically updated to the serial
number of new controller.

B.
When replacing a controller for a RMA, a new key is needed but the existing key will work
for 90 days.

C.
A new clustered Data ONTAP 8.2 installation can use both 8.1 keys and 7-Mode keys.

D.
Replacing a NVRAM card in a controller will NOT require new license keys for that mode.

Explanation:
If you replace or upgrade a controller that is running Data ONTAP 8.2, within a grace period
(up to 90 days) the new controller can use the same licensed functionality that the original
controller had