What Storwize V7000 configuration function is deployed to perform a tie-break task to address a prob

What Storwize V7000 configuration function is deployed to perform a tie-break task to address a
problem when a node canister is shutdown or goes offline?

A.
I/O group(s)

B.
Quorum disks

C.
Clustered system

D.
Mirrored write cache