单项选择题
A.Decrease the Retry Interval setting in the Start of Authority （SOA） record for the zone
B.Decrease the Refresh Interval setting in the Start of Authority （SOA） record for the zone
C.Increase the Refresh Interval setting in the Start of Authority （SOA） record for the zone
D.Disable the netmask ordering option in the properties of the DNS master server for the zone.
单项选择题 ouperformasecurityauditofaservernamedDC1.YouinstalltheMicrosoftNetworkMonitor3.0applicationonDC1.YouplantocapturealltheLDAPtrafficthatcomestoandgoesfromtheserverbetween20：00and07：00thenextdayandsaveittotheE：\data.capfile.Youcreateascheduledtask.YouaddanewStartaprogramactiontothetask.Youneedtoaddtheapplicationnameandtheapplicationargumentstothenewaction.Whatshouldyoudo？（）
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 7. You need to configure the client computers in the North America office to improve the name resolution response time for resources in the South America office.What should you do？（）
单项选择题 YourcompanyhasanActiveDirectorydomainnamedad.contoso.comAllclientcomputersrunWindowsVista.ThecompanyhasrecentlyacquiredacompanythathasanActiveDirectorydomainnamedad.fabrikam.com.Atwo-wayforesttrustisestablishedbetweenthead.fabrikam.comdomainandthead.contoso.comdomain.Youneedtoeditthead.contoso.comdomainGroupPolicyObject（GPO）toenableusersinad.contoso.comdomaintoaccessresourcesinthead.frabrikam.comdomain.Whatshouldyoudo？（）