单项选择题
A. only the INSTANCE_TYPE initialization parameter is set to an invalid value
B. only the ASM_POWER_LIMIT initialization parameter is set to an invalid value
C. only the LARGE_POOL_SIZE initialization parameter is set to an invalid value
D. both the LARGE_POOL_SIZE and INSTANCE_TYPE initialization parameters are set to invalid values
单项选择题 You are performing backup and recovery operations by using RMAN. You are using a recovery catalog for the RMAN repository. You are planning to migrate to ASM disk storage to enable new disks to be added to the database without shutting down the database. Which information is NOT required during the migration process？（）
单项选择题 YouaretheDatabaseAdministratorforWonderWeb，whichhasrecentlyacquiredamediacompanyTXGlobal.YouhavebeenassignedthetasktomigrateallthedatabaseapplicationsofTXGlobaltothedatabaseserverofWonderWeb.Toaccommodatemoredatabaseapplications，youneedtoadddiskstotheexistingdiskgroup.Wheneveryouaddorremovedisksfromthediskgroup，AutomaticStorageManagement（ASM）rebalancingdistributesthedataevenlyacrossallthedisksofthediskgroup.Whichbackgroundprocessperformsthisactualrebalancingactivity，resultinginthemovementofdataextentsinthediskgroups？（）
单项选择题 Consider the following configuration： /devices/diskP1 is a member of disk group grp1. /devices/diskP2 is a member of disk group grp1. /devices/diskP3 is a member of disk group grp1. /devices/diskP4 is a candidate disk. /devices/diskQ1 is a member of disk group grp2. /devices/diskQ2 is a member of disk group grp2. /devices/diskQ3 is a member of disk group grp2. /devices/diskQ4 is a candidate disk. Which command will add the disk /devices/diskP4 to the disk group， grp1？（）