You work as a Network Administrator for NetTech Inc. The company’s network has a Windows 2000 domain-based network. You want to prevent malicious e-mails from entering the network from the non-existing domains. What will you do to accomplish this?
A . Disable DNS recursive queries on the DNS server.
B . Enable DNS recursive queries on the DNS server.
C . Enable DNS reverse lookup on the e-mail server.
D . Disable DNS reverse lookup on the e-mail server.
Answer: C