毛泽东在《反对党八股》一文中明确指出：写文章做演说，就是“专为影响别人的”，这是指口才的（）。
A. 目的性
B. 综合性
C. 技巧性
D. 实践性
查看答案
You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）
A. Enable the flash recovery area and specify it as the archived redo log destination.
B. Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
C. Enable the flash recovery area but do not specify it as the archived redo log destination.
Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.
A customer has requested five rack mounted servers， and a rack. They want redundant power connections. Which of the following is required to meet these requirements？（）
A. Redundant power supplies on the servers
B. Redundant PDUs in the rack
C. edundant power supplies in the servers and redundant PDUs in the rack
D. Redundant power supplies in the servers， redundant PDUs in the rack， and Active Energy Manager （AEM）
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