单项选择题 YouwanttoputaspecifictablespacecalledMY_DATAinhotbackupmodesoyoucanbackitup.Whatcommandwouldyouuse？（）

单项选择题 An operator needs to run a script which will write standard output and standard error to different files. Which of the following commands will successfully perform this task?（）

多项选择题 You have created a resource plan， PROD_DB_PLAN， with the following consumer groups with the respective plan directives：  Consumer group SALES with CPU_P1 as 60 and DEGREE_OF_PARALLELISM as 4. Consumer group MARKET with CPU_P1 as 20.  Consumer group DEV with CPU_P1 as 20.  Consumer group OTHERS with CPU_P1 as 0 and CPU_P2 as 100.  Which two statements are correct in this scenario？ （）