单项选择题
A. Uninstall and reinstall the DNS service on Server2
B. Change all the DNS zones on Server2 to stub zones
C. Disable and then enable the DNS service on Server2
D. Delete the na.contoso.com DNS zone domain from Server2. Restart the DNS service on Server2.
单项选择题 Your network contains a single Active Directory domain. All servers run Windows Server 2008 R2. A DHCP server is deployed on the network and configured to provide IPv6 prefixes.You need to ensure that when you monitor network traffic,you see the interface identifiers derived from the Extended Unique Identifier (EUI)-64 address.Which command should you run?（）
单项选择题 YourcompanyhastwoserversthatrunWindowsServer2008namedServer2andServer3，BothservershavetheDNSserverroleinstalled.Server3isconfiguredtoforwardallDNSrequeststoServer2.YouupdateaDNSrecordonServer2.YouneedtoensurethatServer3isabletoimmediatelyresolvetheupdatedDNSrecord.Whatshouldyoudo？（）
单项选择题 You need to capture the HTTP traffic to and from a server every day between 09:00 and 10:00. What should you do? （）