Why are certificates preferred over pre-shared keys in an IPsec VPN?
A.
Weak security: PSKs can only have 112 bit length.
B.
Weak Security: PSK are static and can be brute-forced.
C.
Weak scalability: PSKs need to be set on each and every Gateway.
D.
Weak performancE.PSK takes more time to encrypt than Diffie-Hellman.
Explanation: