Select all that apply.

• A

  Removing the default setting on NT 4 and Windows 2000 DNS servers that allowszone transfers to any
  IP address

• B

  Using Active Directory Integrated zones on publicly-available DNS servers

• C

  Blocking incoming UDP port 53 requests to a DMZ hosting a DNS server

• D

  Using two DNS servers;An internal DNS server with internal resource records and anexternal DNS
  server with DMZ-based resource records