You configure space-reserved LUNs on thick-provisioned volumes, and you want to guarantee overwrites.
How would you accomplish this task?

A.
Set the fractional reserve to 0%.
B.
Enable space allocation.
C.
Set the fractional reserve to 100%.
D.
Disable the fractional reserve.
Explanation:
https://library.netapp.com/ecm/ecm_download_file/ECMP1636035 (page 18)