Which two statements about virtual interfaces on a WLC are true? (Choose two.)

A.
A virtual interface serves as the redirect address for the web authentication login page.

B.
A virtual interface must have a DNS host name in order to prevent web authentication clients
from getting a security warning on their web browser.

C.
A virtual interface acts as the DHCP server placeholder for wireless clients that obtain their IP
address from a DHCP server.

D.
A virtual interface acts as a RADIUS proxy for wireless clients.