2014年瑞士达沃斯论坛上发布的《大数据大影响》报告称,数据已成为一种新的经济资产类别,就像货币或黄金一样
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电子政务应用系统模式主要有()。
A. G2G子系统(OA系统)
B. G2C子系统
C. G2B子系统
D. B2B系统
Which statement is true about Oracle Net Listener?()
A. It acts as the listening endpoint for the Oracle database instance for all local and non-local user connections.
B. A single listener can service only one database instance and multiple remote client connections.
C. Service registration with the listener is performed by the process monitor (PMON) process of each database instance.
D. The listener.ora configuration file must be configured with one or more listening protocol addresses to allow remote users to connect to a database instance.
贫困问题的四层含义是()。
A. 生存条件问题
B. 物质水平问题
C. 生存能力问题
D. 发展能力问题
E. 思维能力问题