Which statement is true,as relates to classful or classless routing?()
- A、RIPV1 and OSPF are classless routing protocols.
- B、Classful routing protocols send the subnet mask in routing updates.
- C、Automatic summarization at classful boundaries can cause problems on disc……
- D、EIGRP and OSPF are classful routing protocols and summarize routes by def……
正确答案:C
答案解析:有
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