Your company has a single Active Directory forest that has six domains. All DNS servers in the forest
run Windows Server 2008 R2. You need to ensure that all public DNS queries are channeled through
a single-caching-only DNS server. Which two actions should you perform? (Each correct answer
presents part of the solution. Choose two.)

A.
Disable the root hints.

B.
Enable BIND secondaries.

C.
Configure a forwarder to the caching DNS server.

D.
Configure a GlobalNames host (A) record for the hostname of the caching DNS server.