Which two statements are correct about configuring realms and their corresponding interfaces? (Choose two.)

A: You can associate multiple home realms with a single network interface. B: You can configure more than one SIP interface per realm. C: Although you can use both TCP and UDP concurrently as the transport protocol, you can only have one SIP interface per realm. D: You can associate multiple realms with a single network interface. E: You can associate multiple network interfaces with a single realm only when either TCP or UDP is used as the transport protocol.