Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?
【正确答案】 C
【答案解析】那一条命令在全局配置模式下能查看直连的cisco设备？
考点分析：这道题考的是CDP协议。CDP协议在路由器全局启用的命令是cdp run，答案是C。