When implementing best practices for IP Source Address Spoofing and Defeating Denial of Service Attacks with IP Source Address Spoofing, what RFC is commonly used to protect your network?

A.
RFC 2827

B.
RFC 1918

C.
RFC 1149

D.
RFC 3704

Explanation:
RFC 1149 – Standard for the transmission of IP datagrams on avian carriers http://www.faqs.org/rfcs/rfc1149.html
RFC 3704 – Ingress Filtering for Multihomed Networks
http://www.ietf.org/rfc/rfc3704.txt
RFC 1918 – Address Allocation for Private Internets
http://www.faqs.org/rfcs/rfc1918.html
RFC 2827 – Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP Source Address Spoofing
http://www.ietf.org/rfc/rfc2827.txt