问题:
[单选题]33. 多播路由器收到多播包之后,将首先执行下列哪项操作?
A.检查数据包中的IP多播目的地址,查找多播路由表以确定下一跳地址,并通过相应的接口转发 该多播包
B.取决于所配置的多播路由协议,要么在所有的接口上转发该多播包,要么在选定的接口上转发 该多播包(收到该多播包的接口除外)
C.确定路由器用来将数据包发送给该多播包源端的接口,并确定该多播包到达的是否是该接口
D.如果路由器没有任何直连的组成员或者任何直连的有效下游路由器,那么就会向上游邻居发送 剪除(Prune)消息
Tags:思科认证CCIE路由和交换分类模拟试题
答案解析:
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