水平构图的高宽之比为()。
Which statements is true about Predictive Failure Analysis (PFA) for System x servers?() PFA is embedded in selected server components and requires no action for being enabled。 PFA is available only when the Server Plus Pack is installed on the server。 PFA is available only when a Virtual Media Key is present。 PFA is available when the related setting is turned on in UEFI setting。
按GB7588-2003《电梯制造与安装安全规范》规定,标称电压为500V,测试电压为500V,则绝缘电阻的最小值为()MΩ。 0.25。 0.50。 1.00。
某流域(为闭合流域)上有一场暴雨洪水,其净雨量将() 等于其相应的降雨量。 大于其相应的径流量。 等于其相应的径流量。 小于其相应的径流量。
An administrator suspects problems on a SCSI hard disk,but upon running diagnostics,no errors were found. What must be done to check the condition of the drive?() Run diag and select the ‘Certify Media’ task.。 Perform a read and write test on the disk and monitor errorlog.。 Update the disk firmware to the latest level and monitor errorlog.。 Format the disk to ensure bad blocks are omitted from the disk layout.。
商都风电场一期风机中,风机开始执行自动解缆程序的触发条件为()