运营商指定本地路由器接口的地址是200.15.10.6/29，路由器连接的默认网关的地址是200.15.10.7，这样配置后发现路由器无法ping通任何远程设备，原因是（ ）。
- A.默认网关的地址不属于这个子网
- B.默认网关的地址是子网中的广播地址
- C.路由器接口地址是子网中的广播地址
- D.路由器接口地址是组播地址
正确答案及解析
正确答案
解析
200.15.10.6/29位掩码，可得出子网号为：200.15.10.0，广播地址为200.15.10.7。所以可以确定默认网关地址设置错误。
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