To allow or prevent load balancing to network 172.16.3.0/24, which of the following commands
could be used in R2? (Choose two.)

A.
R2(config-if)#clock rate

B.
R2(config-if)#bandwidth

C.
R2(config-if)#ip ospf cost

D.
R2(config-if)#ip ospf priority

E.
R2(config-router)#distance ospf

Explanation:
http://www.cisco.com/en/US/docs/ios/12_2/iproute/command/reference/1rfospf.html#wp1018072