在7750SR上，查看设备电源运行情况的命令是（）

A . who B . show who C . show vty D . show user

A . BOF B . FILE C . CONFIGURE D . ADMIN

A . show uptime B . show chassis C . show system information D . show time

A . show ip route B . display route-table C . show router route-table D . show route

A . 10 15 150 B . 10 150 150 C . 10 15 15 D . 10 10 150

A . show uptime B . show chassis C . show system information D . show time

A . show router ospf statistics B . show router ospf neighbor C . show router ospf status D . show router ospf interface

A . 转发 B . 拒绝 C . 根据端口默认转发方式 D . 根据路由协议的默认策略

A . network B . service C . acce

A . A.displayrunning B . B.displaysoftware C . C.displayversion D . D.displaycurrent-version

A . 机架、电源、交换矩阵和处理模块 B . 路由软件 C . IOM模块，MDA模块及小型可插拔式光接口 D . 高级业务卡

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 . debug router bgp open B . debug router bgp events C . debug router bgp update D . debug router bgp packet

A . Show system connection B . Show system port C . show running port D . Show system security

A . show cpu B . show process cpu C . show system cpu D . display cpu

A . password B . message-digest C . CHAP D . Radiu

A . point-to-point，point-to-multipoint B . broadcast，point-to-multipoint C . point-to-multipoint，broadcast D . point-to-point，broadcast

A . info B . Dis this C . this D . show thi

A . 打开 B . 关闭，需要手动打开 C . 不支持ssh功能

A . show time B . show uptime C . show version D . show systmen informatio

A . SF/CPM初始化过程中 B . 设备温度超过122°F（50°C）时 C . SF/CPM初始化结束后

A . exit B . quit C . logout D . bye

A . SF/CPM B . IOM C . MDA D . NDS