A network administrator is configuring the routers in the graphic for OSPF. The OSPF process has been started and the networks have been configured for Area 0 as shown in the diagram. The network administrator has several options for configuring RouterB to ensure that it will be preferred as the designated router (DR) for the 172.16.1.0 /24 LAN segment. What configuration tasks could be used to establish this preference?

A.	Configure the priority value of the Fa0/0 interface of RouterB to a higher value than any other interface on the Ethernet network.
B.	Change the router id of Router B by assigning the IP address 172.16.1.130/24 to the Fa0/0 interface of RouterB.
C.	Configure a loopback interface on RouterB with an IP address higher than any IP address on the other routers.
D.	Change the priority value of the Fa0/0 interface of RouterB to zero.
E.	Change the priority values of the Fa0/0 interfaces of RouterA and RouterC to zero.
F.	No further configuration is necessary.