You have a DHCP serve that runs windows server 2008. You restore the DHCP database by using a recent backup. You need to prevent DHCP clients from receiveing IP addresses that are currently in use on the network.<br /> What should you do?()
A、Add the DHCP server option 15.
B、Add the DHCP serve option 44.
C、Set the conflict detection value to 0.
D、Set the conflict detection value to 2.