フリー問題

問題文

One address is advertised alternately by two access switches dozens of times a minute. Neither switch has a loop and both are stable. Which cause fits that case?

選択肢

1. The case fits underlay reachability requiring during filed handover administration.
2. The case fits undersized queue budget during filed handover administration.
3. The case fits neighbor authentication requiring during filed handover administration.
4. The case fits duplicate endpoint address during filed handover administration.