共找到 641 与down 相关的结果，耗时15 ms
两台交换机的光口对接，其中一台设备的光UP，另一台设备的光口DOWN定位此类故障的思路包括( )。①光纤是否交叉对接②两端使用的光模块被长和速率是否→样③两端 COMB0口是否都设置为光口④两个光口是否未同时配置自协商或者强制协商。A. ①②③④B. ②③④C. ②③D. ①③④
During planning you sit down and estimate the time needed for each task and total them to come up with the project estimate This duration is what you
如果路由器显示"Serial 1 is down, line protocol is down"故障信息，则问题出在 OSI 参考 模型的（ ）。A.物理层B.数据链路层C.网络层D.会话层
当传输介质出现老化、破损、介质规格不匹配时会导致物理接口处于 DOWN 状 态，常使用（ ）命令检查光纤模块状态、参数是否正常。A. virtual-cable-testB. display transceiver interfaceC. display deviceD. display inte
●In the following essay，each blank has four choices．Choose the best answer and write down on the answer sheet．Spread spectrum simply means that data
●For each blank，choose the best answer from the four choices and write down on the answer sheet．(66) is a protocol that a host uses to inform. a rout
There are over 58,000 rocky objects in space, about 900 of which could fall down onto earth.A. the; the B.不填; the C. the;不填 D. a; the
C“Old wives tales” are beliefs passed down from one generation to another, For Example, most of us remember our parents’ telling us to eat more of ce
A．put away B．get down C．hand out D．take off
热门搜索：