An engineer is designing a campus network and must implement subsecond failover as it relates to OSPF and EIGRP designs. Which action accomplishes this requirement?
A. Design a triangle topology and tune the timers on the routing protocol.
B. Design a square topology and use port-channeling on each path.
C. Design a square topology and tune the timers on the routing protocol.
D. Design a triangle topology and use Bidirectional Forwarding Detection.
