Why would a rogue host that is running a DHCP server on a campus LAN network present a security risk？（）

A.It may allocate IP addresses from an unknown subnet to the users.

B.All multicast traffic can be sniffed by using the DHCP multicast capabilities.

C.The CPU utilization of the first hop router can be overloaded by exploiting DHCP relay open ports.

D.A potential man-in-the-middle attack can be used against the clients.