单项选择题Your network contains an Active Directory domain named contoso.com. The domain contains two sites named Site1 and Site2. The servers for the sites are configured as shown in the following table.Server name Server role Site name Server1 Domain controller, DNS Site1 Server2 DNS Site2 Server1 hosts a standard primary zone for contoso.com. Server2 hosts a secondary zone for contoso.com.You need to ensure that all DNS replication traffic between Server1 and Server2 is encrypted.What should you do?()

A. On Server1, configure DNSSEC for the contoso.com zone.
B. On Server1, convert the contoso.com zone to an Active Directory-integrated zone.
C. On each server, create connection security rules.
D. On each server, enable Encrypting File System (EFS) encryption for the contoso.com.dns file.


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2.单项选择题Your company has an active directory domain. A server named server1 runs the network access policy server role. You need to disable IPv6 for all connections except for the tunnel interface and the IPv6 loopback interface. What should you do?()

A.Run the netsh ras ipv6 set command.
B.Run the netsh interface ipv6 delete command.
C.Run ipv6.exe and remove the ipv6 protocol.
D.From the local area connection properties, uncheck internet protocol versions 6 (TCP/IPv6).

5.单项选择题Your company has a single active directory forest that has a domain in north America named na.contoso.com and a domain in south America named sa.contoso.com. the client computers run windows vista. You need to configure the client computes in the America office to improve the name resolution response time for resources in the south America office what should you do?()

A.Configure a new GPO that disables the local-link multicast name resolution feature. Apply the policy to all the client computers in the north America office.
B.Configure a new GPO that enabled the loca-link multicast name resolution feature. Apply the policy to all the client computers in the North America office.
C.Configure a new GPO that configures the DNS suffix search list option to sa.contoso.com, na.contoso.com. apply the policy to all client computers in the north America office.
D.Configure the priority value for the SRV records on each of the north American domain controllers to 5.

7.单项选择题Your company has two servers that run windows server 2008 named server2 and server3, both servers have the DNS server role installed. Server3 is configured to forward all DNS requests to server2. You update a DNS record on server2, you need to ensure that server3 is able to immediately resolve the updated DNS record. What should you do?()

A.Run the dnscmd /clearcache on server3.
B.Run the ipconfig /flushdns command on server3.
C.Decrease the time-to-live (TTL) on the start of authority (SOA) record of na.contoso.com to 15minutes.
D.Increase the retry interval value on the start of authority (SOA) record of na.contoso.com to 15 minutes.

10.单项选择题Your company has active directory certificate services (AD CS) and network access protection (NAP) deployed on the network. You need to configure the wireless network to accept smart cards. What should you do?()

A.Configure the wireless network to use WPA2, PEAP and MSCHAP v2.
B.Configure the wireless network to use WPA2, 802.1X authentication and EAP-TLS.
C.Configure the wireless network to use WEP, 802.1X authentication, PEAP, and MSCHAP v2.
D.Configure the wireless network to use WEP,PEAP, and MSCHAP v2 and also require strong user passwords.

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