Your network has a mixture of Fast Ethernet and Gigabit Ethernet links. What needs t o be done to ensure optimal data routing when using OSPF?（）
A
Nothing. OSPF will determine the most optimal path for routing data by default.
B
Adjust the hello and dead timers for more rapid detection of link failures.
C
Increase the reference - bandw idth used to calculate the interface default metrics, on all routers in your network.
D
Set the priority values on every broadcast interface to ensure that the designated and backup designated routers are the routers with the most processor and memory resources.
参考答案：
C
