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[问答题] 滚动摩擦

根据施蒂格勒1957年发表的《地方政府职能的有理范围》,为了实现资源配置的有效和收入分配的公平,决策应在()行政水平的政府部门进行。 ["较低","较高","中等","最高"] In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments. On further investigation, you find that buffer busy waits is caused by contention on data blocks. Which option would you consider first to decrease the wait event immediately?() [" Decreasing PCTUSED"," Decreasing PCTFREE"," Increasing the number of DBWN process"," Using Automatic Segment Space Management (ASSM)"," Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendatio"] Which three menu item types are valid in a menu module?() ["Magic ","Plain ","Check ","List item ","Divider"] 在进行变压器的空载试验和负载试验时,若试验频率偏差较大,则下列参数中与频率无关的是()。 ["空载损耗","空载电流","绕组的电阻损耗","绕组的涡流损耗","由漏磁通引起的构件涡流损耗","阻抗电压的有功分量","阻抗电压的无功分量"] Choose the false statement concerning the use of CiscoWorks Internetwork Performance Monitor (IPM) in a Teleworker deployment.() ["IPM should not be run on a production network. ","IPM helps verify if a Service Provider is meeting the Service Level Agreement. ","IPM contains a database that can store data on latency, jitter, and drops of voice packets over a period of weeks or months. ","The QoS service policy should contain an allocation of sufficient bandwidth in the priority queue (LLQ) for both the SAA probe simulating a voice call and the voice call. If not, voice quality will suffer."] 滚动摩擦
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