[单选]

Which Coherence caching pattern matches the sequence of events ？（） 
1. Data is requested from cache 
2. The requested data does not exist in the cache （cache miss） 
3. The Coherence cache store is used to red data from the back-end persistent data source， and placed in ther cache 
4. Data requested from the cache is returned to the caller

表示热轧光圆钢筋的符号为（）。 HPB300。 HRB335。 HRB400。 RRB400。 接地网：由（）接地体在地下相互连通构成，为电气设备或金属结构提供基准电位和对地泄放电流的通道。 一组。 多组。 双组。 一组或多组。 You notice a performance change in your production Oracle database and you want to know which change has made this performance difference. You generate the Compare Period Automatic Database Diagnostic Monitor (ADDM) report to further investigation. Which three findings would you get from the report?（） It detects any configuration change that caused a performance difference in both time periods.。 It identifies any workload change that caused a performance difference in both time periods.。 It detects the top wait events causing performance degradation.。 It shows the resource usage for CPU, memory, and I/O in both time periods.。 It shows the difference in the size of memory pools in both time periods.。 It gives information about statistics collection in both time periods.。 下列变速箱，有超速档变速箱的是（） HW20716。 HW19712。 HW15710。 HW19710。 HW13710。 什么是复原重置成本？什么是更新重置成本？

Which Coherence caching pattern matches the sequence of events ？（） 
1. Data is requested from cache 
2. The requested data does not exist in the cache （cache miss） 
3. The Coherence cache store is used to red data from the back-end persistent data source， and placed in ther cache 
4. Data requested from the cache is returned to the caller