What should you do?

Your network contains an Active Directory domain named contoso.com. The domain contains a domain controller named Server1 that has the DNS Server role installed. Server1 hosts a primary zone for contoso.com.

The domain contains a member server named Server2 that is configured to use Server1 as its primary DNS server.

From Server2, you run nslookup.exe as shown in the exhibit. (Click the Exhibit button.)

You need to ensure that when you run Nslookup, the correct name of the default server is displayed.

What should you do?
A . On Server1, create a reverse lookup zone.
B . On Server1, modify the Security settings of the contoso.com zone.
C . From Advanced TCP/IP Settings on Server1, add contoso.com to the DNS suffix list.
D . From Advanced TCP/IP Settings on Server2, add contoso.com to the DNS suffix list.

Answer: A

Explanation:

Make sure that a reverse lookup zone that is authoritative for the PTR resource record exists.

PTR records contain the information that is required for the server to perform reverse name lookups.

References:

http://technet.microsoft.com/en-us/library/cc961417.aspx

Exam Ref: 70-410: Installing and Configuring Windows Server 2012 R2, Chapter4: Deploying and configuring core network services, Objective 4.1: Configure IPv4 and IPv6 addressing, p.246

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