客户的两台路由器通过V.35 电缆背靠背连接在一起,并在V.35 接口上运行了PPP 协议,在其中一台路由器上有如下接口信息: [MSR-Serial0/0]display interface Serial 0/0 Serial6/0 current state: UP Line protocol current state: DOWN 从如上信息可以推测______。A.两路由器之间的物理连接正常,但PPP 协议协商没有成功B.PPP 的LCP 协商有可能未通过C.PPP 验证可能失败了D.两路由器V.35 接口的IP 地址有可能不在同一网段

客户的两台路由器通过V.35 电缆背靠背连接在一起,并在V.35 接口上运行了PPP 协议,在其中一台路由器上有如下接口信息: [MSR-Serial0/0]display interface Serial 0/0 Serial6/0 current state: UP Line protocol current state: DOWN 从如上信息可以推测______。

A.两路由器之间的物理连接正常,但PPP 协议协商没有成功

B.PPP 的LCP 协商有可能未通过

C.PPP 验证可能失败了

D.两路由器V.35 接口的IP 地址有可能不在同一网段


参考答案和解析
两路由器之间的物理连接正常,但 PPP 协议协商没有成功;PPP 的 LCP 协商有可能未通过;PPP 验证可能失败了

相关考题:

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单选题Router# show interfaces serial 0/1 命令的输出显示了如下内容:   Serial0/1 is down, line protocol is down.   线路协议为 down(关闭)的原因最可能是什么()ASerial0/1 为关闭状态B路由器未连接电缆C远程路由器正在使用 serial 0/0 接口D尚未设置时钟频率