Your network contains an Active Directory domainnamed contoso.com.
You need to ensure that IP addresses can be resolved tofully qualified domain names (FQDNs).
Under which nodein the DNS snap-inshould you add a zone?
To answer, select the appropriate node in the answer area.
Answer: 
Explanation:
Reference:
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 anIP
address. A reverse lookupdoes the opposite: the client provides an IP address, and then the DNSserver
returns an FQDN.