Which two statements are true about the IRB interface?

Which two statements are true about the IRB interface? (Choose two.)

A.
An IRB interface is a Layer 3 VLAN interface.

B.
An IRB interface is a Layer 2 VLAN interface.

C.
An IRB interface is used to route traffic between VLANs.

D.
An IRB interface cannot be associated with any VLAN.