求助大佬帮助解答以下ccna题目

luoxin895

                               
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Refer to the exhibit. After configuring a new static route on the CPE, the engineer entered this series of commands to verify that the new configuration is operating normally. When is the static default route installed into the routing table?

·       A. when a route to 203.0.113.1 is learned via BGP

·       B. when 203.0.113.1 is no longer reachable as a next hop

·       C. when the default route learned over external BGP becomes invalid

·       D. when the default route learned over external BGP changes its next hop

小乔

默认路由没有宣告进路由协议  选C

kevin870504

感謝分享~~

kevin870504

感謝分享~