Which of the following statements are true regarding the determination of the capacity of a high availability cluster? (Choose TWO correct answers.)

A.
The overall capacity of all components in the cluster doesn’t have to be larger than the resources needed in a regular setup.

B.
The number of nodes in a cluster has no effect on the availability as long as the sum of the available computing resources is equal.

C.
Failover clusters can be used to scale a single service beyond the capacity of a single cluster node.

D.
In regular cluster operation, not all resources are used.

E.
In case of the failure of any component, enough resources must remain to provide all cluster services.