Which two statements are correct about cluster support for Oracle SOA Suite 12c applications?

A.
A cluster appears to clients as multiple WebLogic Server instances.

B.
The server instances in a cluster must all run on the same machine.

C.
You can scale a cluster by addingmachines to the cluster to host additional server instances.

D.
Server instances in a clustercan run different versions of WebLogic Server.

E.
You can create a cluster by using WLST, the WebLogic Server Administration Console, or
Enterprise Manager Fusion Middleware Control.

F.
For management purposes, you can split a cluster across multiple domain.

Explanation:

http://docs.oracle.com/cd/E17904_01/core.1111/e10105/getstart.htm