单项选择题
YournetworkcontainsanActiveDirectorydomain.YouhaveaservernamedServer1thatrunsWindowsServer2008R2.Server1isanenterpriserootcertificationauthority(CA).YouhaveaclientcomputernamedComputer1thatrunsWindows7.YouenableautomaticcertificateenrollmentforallclientcomputersthatrunWindows7.YouneedtoverifythattheWindows7clientcomputerscanautomaticallyenrollforcertificates.WhichcommandshouldyourunonComputer1()A.certreq.exe-retrieveB.certreq.exe-submitC.certutil.exe-getkeyD.certutil.exe-pulse