Refer to the exhibits. SanFrancisco and Boston routers are choosing slower links to reach each other despite the direct links being up. Which configuration fixes the issue? 

Answer options:

A. All Routers router ospf 1 auto-cost reference-bandwidth 100
B. SanFrancisco Router router ospf 1 auto-cost reference-bandwidth 1000
C. Boston Router router ospf 1 auto-cost reference-bandwidth 1000
D. All Routers router ospf 1 auto-cost reference-bandwidth 1000

D