单项选择题
A.Create a new stub zone named ad.contoso.com on DC2.
B.Configure the DNS server on DC2 to forward requests to DC1.
C.Create a new secondary zone named ad.contoso.com on DC2.
D.Convert the ad.contoso.com zone on DC1 to an Active Directory-integrated zone.
单项选择题 Your network contains a server that runs Windows Server 2008 R2. The server is configured as an enterprise root certification authority (CA). You have a Web site that uses x.509 certificates for authentication. The Web site is configured to use a many-to-one mapping. You revoke a certificate issued to an external partner. You need to prevent the external partner from accessing the Web site. What should you do（）
单项选择题 You add an Online Responder to an Online Responder Array. You need to ensure that the new Online Responder resolves synchronization conflicts for all members of the Array. What should you do（）
单项选择题 You have an enterprise subordinate certification authority (CA). The CA issues smart card logon certificates. Users are required to log on to the domain by using a smart card. Your companys corporate security policy states that when an employee resigns, his ability to log on to the network must be immediately revoked. An employee resigns. You need to immediately prevent the employee from logging on to the domain. What should you do（）