单项选择题
A. LogMiner
B. The DBNEWID utility
C. The DBVERIFY utility
D. The ANALYZE command
E. The RMAN REPORT command
F. The RMAN CROSSCHECK command.
G. The RMAN BLOCKRECOVER command.
单项选择题 Youwantyourlistenertobepasswordprotectedtopreventitfrombeingshutdown.Youwantto accomplishthistaskwhilethelistenerisfunctional.Whichmethodcouldyouusetoachievethisobjective？（）
单项选择题 WhichstatementistrueregardingthecreationofnestedplansusingResourceManager？（）
多项选择题 You execute the following command to create two consumer groups， FIN_GROUP1 and PAY_GROUP1 for a plan， PROD_PLAN： BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN （SIMPLE_PLAN =>’prod_plan’， CONSUMER_GROUP1 => ’fin_group1’， GROUP1_CPU => 80， CONSUMER_GROUP2 => ’pay_group1’， GROUP2_CPU => 20）； END； Which three statements are true？ （）