You install SQL Server Reporting Services (SSRS).
You need to restore a copy of the symmetric key.
Which command should you run?
A.
rskeymgmt -d
B.
rskeymgmt -e -f %temp%\rs.key -p Password1
C.
rskeymgmt -i
D.
rskeymgmt -a -f %temp%\rs.key -p Password1
Explanation:
https://msdn.microsoft.com/en-us/library/ms157275.aspx
D is ok.
Option -a should be used to restore the key.
Option -e should, d be used to backup a key