Contoso Ltd. has a single Active Directory forest that has five domains. Each domain has two DNS
servers. Each DNS server hosts Active Directory-integrated zones for all five domains. All domain
controllers run Windows Server 2008 R2. Contoso acquires a company named Tailspin Toys. Tailspin
Toys has a single Active Directory forest that contains a single domain. You need to configure the
DNS system in the Contoso forest to provide name resolution for resources in both forests. What
should you do?

Your company has a single Active Directory forest that has an Active Directory domain named
na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource
records in the na.contoso.com zone. You have enabled DNS scavenging on Server1. Three weeks
later, you notice that the stale resource records remain in na.contoso.com. You need to ensure that
the stale resource records are removed from na.contoso.com. What should you do?

Your network contains an Active Directory domain named contoso.com. From DNS Manager, you
open the properties of contoso.com as shown in the exhibit. (Click the Exhibit button)

You need to ensure that you can modify the start of authority (SOA) record for contoso.com.
What should you do?

Your company has a main office and a branch office. The company network has two WINS servers.
You have an application that requires NetBIOS name resolution. The WINS servers are configured as
shown in the following table.

You discover that the WINS addresses on all client computers in both offices are configured in the
following order of use:
10.1.0.23
10.6.0.254
You reconfigure the WINS addresses on all client computers in the branch office in the following
order of use:
10.6.0.254
10.1.0.23
After the reconfiguration, users in the branch office are unable to connect to the servers that are
located in the main office. You need to restore name resolution in the branch office. What should
you do?

Your company has a server named Server1 that runs a Server Core installation of Windows Server
2008 R2, and the DNS Server server role. Server1 has one network interface named Local Area
Connection. The static IP address of the network interface is configured as 10.0.0.1. You need to
create a DNS zone named local.contoso.com on Server1. Which command should you use?

Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 has the
Network_Policy Server (NPS) role installed. You need to ensure that the NPS log files on Server1
contain information of client connections. What should you do?

Your company has an Active Directory forest. All domain controllers run the DNS Server server role.
The company plans to decommission the WINS service. You need to enable forest-wide single name
resolution. What should you do?

You manage a domain controller that runs Windows Server 2008 R2 and the DNS Server server role.
The DNS server hosts an Active Directory-integrated zone for your domain. You need to provide a
user with the ability to manage records in the zone. The user must not be able to modify the DNS
server settings. What should you do?

Your network contains an Active Directory domain named contoso.com. All domain controllers run
Windows Server 2008 R2 and are configured as DNS servers. All client computers run Windows 7.
You create a new zone named secure.contoso.com and configure the zone to use DNSSEC. You need

to ensure that all client computers verify whether the name and address information of
secure.contoso.com is validated by the DNS servers. What should you configure from Group Policy?

Your company has a main office and two branch offices that are connected by WAN links. The main
office runs the DNS Server service on three domain controllers. The zone for your domain is
configured as an Active Directory-integrated zone. Each branch office has a single member server
that hosts a secondary zone for the domain. The DNS servers in the branch offices use the main
office DNS server as the DNS Master server for the zone. You need to minimize DNS zone transfer
traffic over the WAN links. What should you do?