Which two statements are true of GRE? (Choose two.)

A.
GRE can encapsulate and transport protocols other than IP across an IP network.

B.
GRE can create a point-to-point link between two devices separated by multiple hops

C.
GRE encrypts the data it transports to ensure data integrity.

D.
GRE maintains state at Layer 5 of the OSI reference model.