EB03控制系统,检修下行,光电动作顺序为（）。A、UIS 1LV 2LV DISB、DIS 1LV 2LV UISC、UIS 2LV 1LV DISD、DIS 2LV 1LV UIS
EB03控制系统,检修下行,光电动作顺序为（）。
- A、UIS 1LV 2LV DIS
- B、DIS 1LV 2LV UIS
- C、UIS 2LV 1LV DIS
- D、DIS 2LV 1LV UIS
相关考题：
How often are IS－IS Hello packets transmitted?() A. 3 seconds for DIS; 9 seconds for non-DISB. 9 seconds for DIS; 3 seconds for non-DISC. 10 seconds for DIS; 3 seconds for non-DISD. 10 seconds for all routers
以下关于DIS选举规则描述正确的是（）。A、DIS的选择需要手动设置B、DIS由整个广播网络上优先级最高的IS担当C、优先级相同时由IP地址最大的担当D、当一个DIS不能工作时，备份DIS会接替它进行工作
ACDMR有关4个光电描述错误的是（）。A、UIS：上平层光电开关；1LV/2LV：门区光电；DIS下平层光电开关B、它们距离依次为100mm、30mm、100mmC、4个感应器都是NO型的D、从上到下对应插件分别是CJ15CJ13CJ14CJ18
关于井道自学习的说法错误的是（）。A、检查确认井道信号（UIS，DIS，1LV，2LV，1LS，2LS）正确显示B、把所有的临时短接线拆掉C、自学习速度固定为0.25m/sD、检查井道信号时，运行速度不应大于680mm/s
下面关于ACD4-MRL电梯平层光电，描述错误的是（）。A、4只光电均为常开型B、4只光电间距为100，30，100mmC、4只光电的顺序从上到下分别是UIS，1LV，2LV，DISD、UIS，1LV，2LV，DIS分别对应轿顶检修箱内CJ13，CJ14，CJ15，CJ18插件
Which two statements regarding the IS-IS DIS election process are true？ （）A、A priority of 0 will prevent a router from becoming a DIS.B、If the DIS becomes unavailable the backup DIS is promoted to DIS.C、Adding a router with a higher priority than the current DIS will result in the new router becoming DIS.D、Separate L1 and L2 election processes are held on a brodcast network.E、L1 routers on a broadcast network only establish adjacencies with the DIS.F、If there is a tie based on priority，the router whose attached interface has the lowest MAC address becomes the DIS.
以下哪些现象会导致座席被签出（）A、媒体通道坏死，ACD反馈座席1B+D异常；B、媒体服务器与CCS关于座席握手断连；C、CCS与UIS断连；D、座席与UIS的直接握手断连；E、MCP与UIS发生断连；
H3C针对医院规模相对较小，资源相对集中的现状，建议采用UIS"一箱即云"的高密集成模式构建医院信息化支撑平台，一台UIS在的计算量可以满足床位数为（）张的三甲医院的需求？（估算）A、500B、1000C、1500D、2000
医院信息化解决方案当中，我们从哪几个方面向用户传递？（）A、大互联----无线产品与解决方案，物联网APB、大安全----安全等级保护，特别是虚拟化安全防护C、云计算----UIS、UISManager以及虚拟化、BSM运维D、大数据----医疗数据挖掘分析与决策支持
下列哪条命令是属于查看单AP下的连接用户数假设AP-name为H3C？（）A、dis wlan ap name H3CB、dis wlan ap name H3C verboseC、dis wlan client ap H3CD、dis wlan server-template
以下关于IS-IS协议和OSPF描述不正确的是（）。A、在广播网络中，都选举指定路由器DR（DIS）B、优先级最大一定都会当选DR（DIS）C、优先级为0的都不可能成为DRD、DR（DIS）失败，都由备份路由器承担DR（DIS）职责
There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）A、Router A remains the DIS and generates a new pseudonode LSP for that LANB、Router A remains the DIS and NO new pseudonode LSP is generated for that LANC、Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router AD、Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A
How often are IS-IS Hello packets transmitted?（）A、3 seconds for DIS; 9 seconds for non-DISB、9 seconds for DIS; 3 seconds for non-DISC、10 seconds for DIS; 3 seconds for non-DISD、10 seconds for all routers
单选题How often are IS-IS Hello packets transmitted?（）A3 seconds for DIS; 9 seconds for non-DISB9 seconds for DIS; 3 seconds for non-DISC10 seconds for DIS; 3 seconds for non-DISD10 seconds for all routers