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An online retailer is considering deploying a database application on xSeries and Windows to serve their Web-based transactions. The database will need about 4TB of usable storage. Downtime costs the customer tens of thousands of dollars per minute, so system availability will be of highest priority. The customer needs to acquire the system within a certain budget but will pay for things that provide higher system availability. Which of the following will be the most appropriate solution?()
如果网络是分布在同一区域的计算机组成,称为();如果网络是分布在一个非常大的范围内的计算机组成,称为()。
提出“太阳中心说”的是( )。
下列关于测站类型描述,不正确的是().
遗忘综合征的三大特点是()
子女教育费用可分为基础教育和()。
雾化吸入给药法的实施
体内钾的主要排出途径是()
火灾的直接原因为( )。
选择词语的正确词形()。
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