Which statement about VXLAN is true?

A.	VXLAN encapsulates a Layer 2 frame in an IP-UDP header, which allows Layer 2 adjacency across router boundaries.
B.	VXLAN uses the Spanning Tree Protocol for loop prevention.
C.	VXLAN extends the Layer 2 Segment ID field to 24-bits, which allows up to 4094 unique Layer 2 segments over the same network.
D.	VXLAN uses TCP as the transport protocol over the physical data center network.