Which of the following shields Internet users from artificial DNS data, such as a deceptive or mischievous address instead of the genuine address that was requested?

Which of the following shields Internet users from artificial DNS data, such as a deceptive or
mischievous address instead of the genuine address that was requested?

A.
DNSSEC

B.
Firewall

C.
Packet filtering

D.
IPSec

Explanation:

Reference:
http://tools.ietf.org/html/draft-osterweil-dane-ipsec-01(abstract, first para)