[单选]
You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.
Which action would you consider to overcome the performance degradation？（）

A . Configure Java Pool to cache the java objects.
B . Configure Streams Pool to enable parallel processing.
C . Increase Shared Pool size to cache more PL/SQL objects.
D . Increase Database Buffer Cache size to increase cache hits.
E . Configure Large Pool to be used by RMAN and shared server.
F . Increase the total System Global Area （SGA） size to increase memory hits.

王某见自己的女友遭两个流氓调戏，前去制止，反遭流氓袭击，王某立即进行反击。此时，便衣民警李某赶到，未及表明自己的身份即迅速抓住王某以制止殴斗。王某视李某为流氓团伙成员，随即拔刀将李某刺成重伤，王某的行为属于（）。假想的防卫，应按意外事件处理。过失致人重伤。正当防卫。假想的防卫，应按过失致人重伤论处。可以通过语句myDataView.RowFilter=EmployeeID>20对数据试图myDataView进行数据过滤。王安忆最出色的两篇作品《（）》和《叔叔的故事》都是中篇小说。配伍用药时（）可能使作用减弱，是为拮抗。产生拮抗皆对治疗不利。可能使作用增强。产生协同皆对治疗有利。以上均不对。 Which of the following four CRS components must be active on a Historical Reporting Database (HRDB) and Call Recording expansion server?（） CRS Node Manager 。 CRS Engine 。 Cisco Recording 。 CRS Application Editor 。 Cisco Monitoring 。 CRS Repository Datastore, CRS Historical Datastore, CRS Config Datastore, CRS Agent Datastore。

You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.
Which action would you consider to overcome the performance degradation？（）

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