Refer to the exhibit. Customer Y reported that internet traffic stopped for a few minute. The ISP ABC operation engineer identified that this occurred when ASBR1 router reloaded OSPF coverage faster than BGP. Which command prevent this happening?
A. Graceful restart
B. set-overload-bit on startup wait-for-bgp
C. bfd min_rx 100 max_rx 100 multiplier 3
D. max-metric router-lsa on startup 300
