What three commands are used for RFC 1918 and RFC 2827 filtering on the ISP router in the SAFE SMR small network campus module?

What three commands are used for RFC 1918 and RFC 2827 filtering on the ISP router in the SAFE SMR small network campus module? (Choose three)

A.
ip route 1918

B.
access-list

C.
access-group

D.
enable rfc 1918 filtering

E.
rate-limit

F.
enable rfc 2827 filtering

Explanation:

Reference: SAFE: Extending the Security Blueprint to Small, Midsize, and Remote-User Networks Page 47