单项选择题
A.From the DHCP snap-in, reconcile the database.
B.From the folder that contains the DHCP database, run jetpack.exe dhcp.db temp.mdb.
C.From the properties of the dhcp.mdb file, enabled the file is ready for archiving attribute.
D.From the properties of the dhcp.mdb file, enable the compress contents to save diskspace attribute.
单项选择题 Your network contains a DNS server that runs Windows Server 2008 R2.You open the Forwarders settings of the DNS server and discover that the option to add forwarders is disabled.You need to add forwarders to the DNS server.What should you do first？（）
单项选择题 Your network contains an Active Directory domain. The domain contains two servers named Server1 and Server2. All servers run Windows Server 2008 R2 and have Windows Firewall turned on. You need to ensure that you can use Event Viewer on Server2 to access the Application log on Server1. What should you do？（）
单项选择题 Your network contains an Active Directory domain. All client computers run Windows XP Service Pack 3 (SP3). The domain contains a member server named Server1 that runs Windows Server 2008 R2. On Server1, you create a connection security rule that requires authentication for inbound and outbound connections. You configure the connection security rule to use Kerberos authentication. You need to ensure that the client computers can connect to Server1. The solution must ensure that all connections to Server1 are encrypted. What should you do？（）