which three properties have to be defined?

To create a policy-managed database in RAC, which three properties have to be defined?

A.
Minimum downtime before switchover occurs

B.
Minimum number of nodes

C.
Maximum number of nodes

D.
Relative importance compared to other server pools

E.
Relative uptime compared to other server pools

Explanation:
minimum and maximum number of nodes and an importance.

https://martincarstenbach.wordpress.com/2010/01/26/policy-managed-databases/