单项选择题
A.Configure the contoso.com zone to use DNSSEC
B.Create a new delegation in the contoso.com zone
C.Modify the zone transfer settings of the contoso.com zone
D.Convert the contoso.com zone to an Active Directory-integrated zone
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?（）
单项选择题 You deploy a windows server 2008 VPN server behind a firewall. Remote uses connect to the VPN by using portable computers that run windows vista with the latest service pack. The firewall is configured to allows only secured web communications. You need to enable remote users to connect as securely as possible. You must achieve this goal without opening any additional ports on the firewall. What should you do?（）
单项选择题 Your network contains a DNS server named Server1 that runs Windows Server 2008 R2.Root hints for Server1 are configured as shown in the exhibit. (Click the Exhibit button.)You need to add root hints to Server1.What should you do first？（）