Which two statements are true about NAT?

Which two statements are true about NAT? (Choose two.)

A.
Managed IP is one-to-one address mapping for bidirectional access.

B.
Mapped IP is one-to-one address mapping for bidirectional access.

C.
Dynamic IP is the public address that can be used for external access to your Web server.

D.
Dynamic IP is the public address that internal users can use to access the Internet.