A. Load balancing can be done by the client, the listener, or both, for any one connection request.

B. Services support the balancing of client connections across RAC database instances.

C. Client-side connect-time load balancing can balance connection requests across SCAN listeners.

D. Load balancing can be done by the client or the listener, but not both, for any one connection request.

E. In server-side load balancing, node listener redirects the client to another node listener for connection to an instance.