Your network contains an Active Directory domain named adatum.com.
You need to ensure that IP addresses can be resolved to fully qualified domain names
(FQDNs).
Under which node in the DNS snap-in should you add a zone?

A.
Reverse Lookup Zones

B.
adatum.com

C.
Forward Lookup Zones

D.
Conditional Forwarders

E.
_msdcs.adatum.com

Explanation:
Mastering Microsoft Windows Server 2008 R2 (Sybex, 2010) page 193
A forward lookup means the client provides a fully qualified domain name and the DNS
server returns an IP address. A reverse lookup does the opposite: the client provides an IP
address, and then the DNS server returns an FQDN.