Which two statements about VLAN trunking Protocol are true? (Choose two.)

Which two statements about VLAN trunking Protocol are true? (Choose two.)
A . On Cisco Nexus switches, VLAN TrunkingProtocol is enabled by default.
B . VLAN Trunking Protocol is only supported on Layer 2 trunk interfaces
C . Layer 2 trunk interfaces, Layer 2 port channels, and virtual port channels support VLAN Trunking Protocol functionality.
D . VLAN Trunking Protocol is a Layer 2 messaging protocol that maintains VLAN consistency by managing the addition, deletion, and renaming of VLANs withing a VLAN Trunking Protocol domain.
E . VLAN Trunking Protocol is a Layer 2 messaging protocol that maintains the interface VLAN configuring within a VLAN Trunking Protocol domain.

Answer: CD