Which two of these mechanisms does infrastructure MFP introduce to access points in order to protect against such attacks?

Infrastructure Management Frame Protection enables the wireless infrastructure to detect
management frames spoofed by an attacker. Which two of these mechanisms does infrastructure
MFP introduce to access points in order to protect against such attacks? (Choose two.)

A.
management frame validation

B.
management frame encryption

C.
cryptographically-hashed message integrity check

D.
cryptographically-hashed frame check sequence

E.
802.1x authentication