A、The network cable is disconnected
B、The PS/2 connectors are switched
C、The USB connectors are switched
D、The hard drive is unplugged
更多“After setting up a new computer, a user states that the mouse and keyboard will not work. Whichof the following is the MOST likely reason?（）”相关的问题
A、可以是N-UP C-UP H-UP B、可以是N-UP C-UP C、可以是N-UP或H-UP D、可以是N-UP
A、Only data files and the control file are backed up. B、Archived redo logs are backed up only I f the database is open during the backup. C、The backup is deleted after one day, regardless of the default retention policy settings. D、The backup becomes obsolete after one day, regardless of the default retention policy settings.
A、N+1串联冗余系统在切换过程备机电流从零立即上升至负荷最大电流，容易对系统运行可靠性产生较大影响 B、N+X并联冗余系统容易存在单机UPS设备负载电流过小，运行效率低的情况 C、2N或M（N+1）模式为配置N台UPS设备，其总容量为系统的基本容量，再配置1台UPS冗余设备 D、2N或M（N+1）模式主要适用于A级机房，系统可用性较高
A、N模式系统配置简单、配置成本低，可用性高，但运行效率低 B、N+1串联冗余系统结构及控制简单，灵活性高，适用于C级机房 C、N+X并联冗余系统系统可用性高，但设备利用率低 D、N+X并联冗余系统系统以N台UPS单机设备作为主机为负载供电，1台UPS单机设备作为备机
A、sets aside B、sets up C、sets along D、sets in
A、有完全相同的N+1台UPS组成 B、每台UPS是一个完整的单机 C、设有公用旁路系统 D、输入输出、输出配电、并机控制电缆、电池等完全与1+1系统要求的一样
A、Define the POWER option while adding or removing the disks B、Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT. C、Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES D、Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
A、单机UPS电源系统 B、N+1并联均分冗余UPS电源系统 C、2N双总线UPS电源系统 D、3N双总线UPS电源系统
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