比较不同类别数据的离散程度时，应使用（）。 ["标准差","变异系数","平均数","方差"]
Which of the following commands can be used to prepare a system to physically insert a PCI hot plug adapter（） ["mkdev","cfmgr","drslot","lsslot"]
弥散性血管内凝血的病因，下列哪一项是最多见的（） ["白血病","感染性疾病","病理产科","免疫性疾病"]
体育与健康课程学习成绩评定内容有：（）、（）、（）、（）。
A database administrator wants a unique IP address for each of three instances of a database. Normally，all instances run on a large production node，but they may fallover to different standby nodes according to the dynamic node priority configuration. What is the best way to obtain unique addresses for each of the three database instances？（） [" There is no way since this cannot be configured with HACMP"," Use IP Replacement address takeover and define all service addresses on the same NIC"," Use IP Aliasing for address takeover and define each alias in a separate resource group"," Use EtherChannel to map the three alias IP addresses to the common service address defined to HACMP"]
呼吸作用
