How does AH provide authentication? Integrity Check Value Bit error correction Encryption Header checksum In addition to authentication, ESP protects data using: cyclical redundancy check encryption NAT digital signature Question 6 0/1 point With regard to IPSec, what is a Security Association? a mapping of the parts of the packet protected an authority that verifies packets details of the security used, such as the encryption and hashing algorithms non-governmental organization responsible for the IPSec standard .