多项选择题

A. Limiting the input output （I O） bandwidth consumptio……

Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATE CHANNEL commands in RMAN ？（）

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

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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

单项选择题Whichisthecorrectcommandtobackupthedatabase，backupthearchivedredologs，andthenremovethebacked-uparchivedredologs？（）

A. backup database
B. backup database and archivelogs
C. backup database plus archivelogs
D. backup database plus archivelog delete input
E. backup database and archivelog delete input

单项选择题Compressedbackupsworkwithwhichofthefollowingcommands？（）

A. copy as backup
B. backup as copy
C. backup
D. copy