肥料成分和施肥量：
Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines.（） Cursor cache。 Stored outline。 SQL Tuning Set。 Automatic Workload Repository (AWR) snapshot。
A customer has a requirement for a single AIX LPAR to be highly available. The customer only has enough funding to purchase a single system. Which would be the most critical option to mitigate AIX availability？（） Dual power supplies.。 Twice the amount of disk.。 Two dual-port LHEA adapters.。 Two dual-port fibre channel adapters.。
Initially， for the Automatic Workload Repository （AWR） statistics，the retention period is set to 7 days， the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However，when you observe the Memory Advisor on a Friday，you find that the statistics are available only for two days， Thursday and Friday，of that week. What would have caused the statistics to be removed？（） On Wednesday， the statistics have been purged.。 On Wednesday， the retention period has been set to zero.。 On Wednesday， the collection interval has been set to zero.。 On Wednesday， the collection level has been changed to All.。 On Wednesday， the retention period has been set to one day.。 On Wednesday， the retention period has been set to two days。 On Wednesday, the collection level has been changed to Typical.。 On Wednesday, the collection interval has been set to 1440 minutes.。
男性，50岁。车祸致双下肢广泛软组织挫伤。人院查体：心率106/min，血压105/75mmHg，急行手术清创。术后第2天患者尿量减少至25ml/h以下，经补液后不见好转，为进一步明确诊断，下列哪一项检查最有价值（） X线拍片。 血尿素氮、肌酐检查。 血生化检查。 动脉血气分析。 尿常规及细菌培养。
A customer has a mixed Dell and IBM server environment. They want to implement a system management solution for all their Windows， Linux， and VMWare ESX Intel based servers. Which TWO features of IBM Director will be an advantage for this customer？（）
