Which three statements are true about WebLogic clusters?

Which three statements are true about WebLogic clusters?

A.
Clusters provide clients with transparent failover.

B.
EJB applications can be targeted to entire cluster.

C.
Allcluster members must bindto the same port number.

D.
Cluster members replicate application data by using heartbeats.

E.
Cluster members can be associated with one or moredomains.

F.
Web applicationsrequire a proxy in order to be used in a cluster.