Refer to the exhibit. The network is running the EIGRP routing protocol. Distribution router 1 loses the link to the corporate network. How should the remote spoke router be configured to prevent it from being the next-lowest-cost path to network 10.3.1.0?
A. Disable split horizon.
B. Configure it as an EIGRP stub router.
C. Enable route filtering.
D. Configure a floating static route to network 10.3.1.0.
