Which two statements are true of GRE?

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.