单项选择题

You have a DHCP server that runs Windows Server 2008 R2……

You have a DHCP server that runs Windows Server 2008 R2. You restore the DHCP database by using a recent backup.You need to prevent DHCP clients from receiving IP addresses that are currently in use on the network.
What should you do？（）

A. Add the DHCP server option 15.
B. Add the DHCP server option 44.
C. Set the Conflict Detection value to 0.
D. Set the Conflict Detection value to 2.

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单项选择题You have a DHCP server that runs Windows Server 2008 R2. The DHCP server has two network connections named LAN1 and LAN2.You need to prevent the DHCP server from responding to DHCP client requests on LAN2. The server must continue to respond to non-DHCP client requests on LAN2. What should you do？（）

A. From the DHCP snap-in, modify the bindings to associate only LAN1 with the DHCP service.
B. From the DHCP snap-in, create a new multicast scope.
C. From the properties of the LAN1 network connection, set the metric value to 1.
D. From the properties of the LAN2 network connection, set the metric value to 1.

单项选择题You have a DHCP server that runs Windows Server 2008 R2.You need to reduce the size of the DHCP database. What should you do？（）

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？（）

A. Create a multicast scope.
B. Assign a static IP address to Server2.
C. Create an exclusion range in the DHCP scope.
D. Create a DHCP reservation in the DHCP scope.

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？（）

A. Create a new scope for the DNS servers.
B. Create a reservation for the DHCP server.
C. Configure the 005 Name Servers scope option.
D. Configure an exclusion that contains the IP addresses of the four DNS servers.

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？（）

A. Type ping 172.16.45.9:::::.
B. Type ping ::9.45.16.172.
C. Type ping followed by the Link-local address of the server.
D. Type ping followed by the Site-local address of the server.