A. 100ms以内 B. 100ms以上 C. 1000ms以内 D. 1000ms以上
A. show cdp nei B. show run C. show ip bgp sum D. show isis nei
A. show env xxx B. show ver C. show module D. show running
A. alerts B. critical C. debugging D. emergencies E. error
A. show interfaces description B. show ipinterface brief C. show interfaces summary D. show interfaces statu
A. show interfaces description B. show ip interface brief C. show interfaces summary D. show inter stat
A. 查看端口状态 B. PING本端IP C. 查看INPUT/OUTPUT ERROR D. 查看CRC
A. 数据封装协议不一致 B. 时钟速率设置不一致 C. 没有配置路由协议 D. 物理端口故障
A. 虚链接的穿越(transit)区域不是区域0 B. 虚链接建立在了一个点到多点的OSPF网络类型上 C. 在配置虚链接时,ABR使用了错误的router-id D. 在配置虚链接时,对端的router-id无法Ping通
A. point-to-point,point-to-multipoint B. broadcast,point-to-multipoint C. point-to-multipoint,broadcast D. point-to-point,broadcast