You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA， a big file tablespace of size 100 TB on tape drive， but you have tapedrives of only 10 GB each. Which method would accomplish the task quickly and efficiently？（） parallel image copy backup。 backup with MAXPIECESIZE configured for the channel。 parallel backup with MAXPIECESIZE configured for the channe。 intrafile parallel backu。
系统发生短路故障时，系统网络的总阻抗会出现（） 突然增大。 突然减小。 网络阻抗忽大忽小的变化。
You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode. Which two statements are true in this scenario（） You must shut down the database instance to perform the backups.。 You must configure the Flash Recovery Area （FRA） for the database.。 You can perform complete database backups without closing the database.。 All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.。
下面是幼儿园教研活动的具体开展方式除了（） 观摩活动。 专题讲课。 以老带新。 集体备课。
电泵井关井时，控制屏处人员应把电动启动按钮打到（） 自动位置。 手动位置。 零位置。
What is the result？（）
