A vSphere administrator finds a HA/DRS cluster status has turned RED indicating a degraded
state.
What is the likely reason for the indication?

A.
The cluster enabled for HA has lost resources and is unable to fulfill its failover requirements.

B.
The cluster does not have enough resources to satisfy the reservations of all resource pools
and virtual machines.

C.
Incompatible CPU generations between hosts are preventing DRS migrations.

D.
The cluster is currently electing a Master host and is unavailable to perform HA functions.

Explanation: