若设总体方差σ2=120,采用重复抽样抽取样本容量为10的一个样本,则样本均值的方差为()。 120。 1.2。 12。 1200。
在安装夹板阀前,阀门不应处于()状态。 开启。 关闭。 垂直。 水平。
Which of the following dbx commands should be used to obtain a stack trace from a coredump file?() trace 。 where 。 status 。 which。
Companycom LPAR that is using a Virtual IO Server needs to be more highly available. How can this be accomplished using APV features?() Reallocate the Virtual IO Server disks to the user LPAR。 Create a stripe-group within the Virtual IO Server to protect against disk failure。 Reconfigure the user LPAR to use both locally owned disk and a Virtual SCSI disk。 Create a second Virtual IO Server and reconfigure the user LPAR to mirror across both Virtual IO Server。
某公司的预期年收益额为32万元,该企业的各单项资产的重估价值为120万元,企业所在行业的平均收益率为20%,以此作为本金化率计算出的商誉的价值为()。 40。 80。 100。 160。
Users are unable to complete print jobs sent to a network printer from an AIX server. Which command can be run to look at the print queue?()