多项选择题

A. The database must be opened in restricted mode.B. Th……

You are managing a 24*7 database. The backup strategy for the database is to perform user-managed backups. Identify two prerequisites to perform the backups.（）

A. The database must be opened in restricted mode.
B. The database must be configured to run in ARCHIVELOG mode.
C. The tablespaces are required to be in backup mode before taking the backup.
D. The tablespaces are required to be in read-only mode before taking the backup

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单项选择题Examine the following scenario： -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corruptedThe disk having active online redo log files is also corrupted. The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure？（）

A. Restore the latest whole backup，perform complete recovery，and open the database normally
B. Restore the latest whole backup，perform incomplete recovery，and open the database with the RESETLOGS option.
C. Restore the latest backups control file，perform complete recovery，and open the database with the RESETLOGS option.
D. Restore the latest backup control file，perform incomplete recovery using backup control file，and open the database with the RESETLOG option.

多项选择题IdentifythechannelsettingsthatcanbeperformedusingtheCONFIGURECHANNELorALLOCATECHANNELcommandsinRMAN？（）

A. Limiting the input/output （I/O） bandwidth consumption
B. Specifying the size of backup sets and backup pieces
C. Specifying vendor-specific information for a media manager
D. Specifying the parallelism for backup and restore operations

多项选择题WhattwoaretheprerequisitesforenablingFlashbackDatabase？（）

A. The database must be in ARCHIVELOG mode
B. The database must be in MOUNT EXCLUSIVE mode
C. The database must be opened in RESTRICTED mode
D. The database instance must be started in the NOMOUNT state
E. The database instance must have the keep buffer pool defined

单项选择题Whichtypeofbackupmustbeperformedfirstwithanincrementalbackup？（）

A. Level 1
B. Level 0
C. Level 2
D. Level 3

单项选择题Whichtypeofbackupbacksuponlydatablocksmodifiedsincethemostrecentbackupatthesamelevelorlower？（）

A. Differential incremental backup
B. Different incremental backup
C. Cumulative backup
D. Cumulative incremental backup