Which statement is true about ASIS deduplication license with Data ONTAP 8.1?

A.
The existing 8.0 license key is used.

B.
A new license key is generated.

C.
The license is capacity-based.

D.
The license no longer exists.

Explanation:
https://library.netapp.com/ecmdocs/ECMP1120690/html/frameset.html
Changes to deduplication in 8.1 7-mode
Starting with Data ONTAP 8.1, you can enable the deduplication feature without adding a license. For
deduplication, no limit is imposed on the supported maximum volume size. The maximum volume size limit is
determined by the type of storage system regardless of whether deduplication is enabled.