Your network contains an Active Directory domain named contoso.com. You plan to implement multiple DHCP
servers.
An administrator named Admin1 will authorize the DHCP servers. You need to ensure that Admin1 can
authorize the planned DHCP servers.
To which container should you assign Admin1 permissions?
To answer, select the appropriate node in the answer area.
Answer: 
Explanation:
Authorization of DHCP server can only be performed by a domain user that has permissions to create objects
in the Net services container in Active Directory. See how to delegate permissions to do this in active directory.
http://blogs.technet.com/b/teamdhcp/archive/2012/08/31/installing-and-configuring-dhcp-role-onwindowsserver-2012.aspx