单项选择题
A.Configure the Online Responder Role Service on a member server.
B.Configure the Online Responder Role Service on a domain controller.
C.Configure the Certification Authority Web Enrollment Role Service on a member server.
D.Configure the Certification Authority Web Enrollment Role Service on a domain controller.
单项选择题 YourcompanyhasanActiveDirectorydomain.AlIserversrunWindowsServer2008.YourcompanyusesanEnterpriseRootcertificateauthority（CA）.Youneedtoensurethatrevokedcertificateinformationishighlyavailable.Whatshouldyoudo（）
单项选择题 YourcompanyhasasingleActiveDirectorydomain.AlIdomaincontrollersrunWindowsServer2003YouinstallWindowsServer2008onaserver.Youneedtoaddthenewserverasadomaincontrollerinyourdomain.Whatshouldyoudofirst（）
单项选择题 Your company has an Active Directory domain named contoso.com. The company network has two DNS servers named DNS1 and DNS2. The DNS servers are configured as shown in the following table. Domain users， who are configured to use DNS2 as the preferred DNS server， are unable to connect to Internet Web sites. You need to enable Internet name resolution for all client computers. What should you do（）