Which statement about IPv6 security is true?

A.
Reconnaissance attacks are easier to do in IPv6 compared to IPv4.

B.
IPv6 amplification attacks can happen using IPv6 broadcast address.

C.
RA-guard feature is used to block rogue RAs.

D.
ICMP policies on firewalls do not need to be changed for IPv6 because ICMP is Layer 3
agnostic.