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.mdb temp.mdb.
C. From the properties of the dhcp.mdb file, enable the File is ready for archiving attribute.
D. From the properties of the dhcp.mdb file, enable the Compress contents to save disk space attribute.
单项选择题 You have a DHCP server named Server1 and an application server named Server2. Both servers run Windows Server 2008 R2. The DHCP server contains one scope.You need to ensure that Server2 always receives the same IP address. Server2 must receive its DNS settings and its WINS settings from DHCP. What should you do？（）
单项选择题 Your company has four DNS servers that run Windows Server 2008 R2. Each server has a static IP address. You need to prevent DHCP from assigning the addresses of the DNS servers to DHCP clients. What should you do？（）
单项选择题 You have a Windows Server 2008 R2 computer that has an IP address of 172.16.45.9/21.The server is configured to use IPv6 addressing.You need to test IPv6 communication to a server that has an IP address of 172.16.40.18/21. What should you do from a command prompt？（）