Which two types and configurations of clustering can be used with Symantec Enterprise Vault 11.x for Exchange? (Select two.)
A. Veritas Cluster Server in an active/active and N+1 configuration
B. Veritas Cluster Server in an active/passive and N+1 configuration
C. Windows Server Failover and Veritas Cluster Server in a mixed mode
D. Windows Server Failover in an active/active and N+1 configuration
E. Windows Server Failover in an active/passive and N+1 configuration