You want to create a template to be used as a standard for all company reports, which are many different styles. How many different templates must you have if you plan to use multiple report styles?（） Two 。 One 。 One per report style。 One per report style + one more。
检查蓄电池各单体开路电压，若低于2.13V或储存期超过6个月则应运用恒压限流法进行（） 浮冲。 替换。 均衡充电。
Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday. What would you do in this situation？（） recover using Oracle Flashback Database technology。 restore the data files from backup and perform a complete recovery。 restore only the corrupted data file and perform tablespace recovery。 restore the data files from backup and perform cancel-based recovery。 restore the entire database from the most recent backup and start the instance and open the database。
Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware：（） adding hardware may exacerbate inefficiency， which can lead to over provisioning and lower utilization。 performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memory。 both A and B are valid。 neither A nor B are valid。
机械密封在检修中可根据密封端面的缺陷更换动环或静环。
You want to use WLST to view metrics for a running domain. Which command should you issue to navigate through the Mbean hierarchy containing the metrics?（）
