Which of the following are NOT true with regard to fencing in an environment where OCFS2 is managed by Pacemaker?

Which of the following are NOT true with regard to fencing in an environment where OCFS2 is managed by Pacemaker?
(Select THREE false statements)

A.
OCFS2 uses fencing based on the split brain algorithm.

B.
OCFS2 handles its own fencing.

C.
OCFS2 fencing cannot be controlled with Pacemaker STONITH.

D.
With the default settings, quorum is needed in the cluster to run OCFS2.

E.
OCFS2 fencing can be adjusted or tuned through editing its configuration file.