You need to design a security strategy for the DHCP servers in the Seattle office. Which two actions should you perform?()
A.Disable all unnecessary services on each DHCP server
B.Modify the discretionary access control lists (DACLs) in Active Directory so that only members of the Enterprise Admins security group can authorize additional DHCP servers
C.Use an IPSec policy that allows only the packets necessary for DHCP and domain membership for each DHCP server
D.Install a digital certificate for SSL on each DHCP server