Jason the security administrator at Certkiller Inc. is working on filtering network traffic.
In the SAFE SMR midsize network design, access list 101 deny ip 10.0.0.0.0 255.255.255 any is an example of what kind of filtering?

A.
It is an example of RFC 2728

B.
It is an example of RFC 2827

C.
It is an example of RFC 1918

D.
It is an example of RFC 1920

Explanation:

! RFC 1918 filtering. Note network 172.16.x.x was not included in the ! filter here since it is used to simulate the ISP in the lab.
!
access-list 103 deny ip 10.0.0.0 0.255.255.255 any access-list 103 deny ip 192.168.0.0 0.0.255.255 any Reference: SAFE: Extending the Security Blueprint to Small, Midsize, and Remote-User Networks Page 47