Which three options are true of the Oracle Solaris 11 root file system?
A.
ZFS is the default with UFS as an option.
B.
Specific boot environments can be specified from GRUB (x86) as well as OBP (SPARC).
C.
Alternate boot environments contain only the differences from the previous boot
environment.
D.
Mirroring is enabled by default.
E.
ZFS on rpool/ROOT is mandatory.