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单项选择题As a result of a media failure， the current online redo log group is corrupted. The database crashes， as the current online group is inaccessible. Which type of incomplete recovery are you most likely to perform？（）

A.Cancel-based
B.Recovery using a backup control file
C.Time-based
D.Change-based

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1.单项选择题Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener？（）

A.PMON
B.SMON
C.LGWR
D.CKRT

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2.单项选择题Which of the following options enables a user to get authenticated though a single password instead of using multiple passwords？（）

A.Wallet Manager
B.Radius
C.Oracle Internet Directory
D.None of the above

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3.单项选择题Which of the following roles must be granted to a user to perform a full database import？（）

A.CONNECT
B.IMP_FULL_DATABASE
C.FULL_EXPORT_PRIVS
D.RESOURCE
E.FULL_IMPORT_PRIVS

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4.单项选择题Which parameter allows SQL*Loader to load data into a table with the indexes in the unusable state， prior to the load operation？（）

A.INDEXES
B.SKIP_INDEXES_MAINTENANCE
C.SKIP_UNUSABLE_INDEXES
D.RESUMABLE
E.INDEXES_UNUSABLE

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5.单项选择题Which one of the following parameters must be specified when exporting objects that has integrity constraints referencing objects that are currently being accessed by other users？（）

A.IGNORE=Y
B.DIRECT=Y
C.CONSISTENT=Y
D.BUFFER=Y

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6.单项选择题Which of the following roles provides the privileges to maintain and query the recovery catalog schema？（）

A.EXECUTE_CATALOG_ROLE
B.CONNECT
C.RESOURCE
D.RECOVERY_CATALOG_OWNER
E.RECOVERY_CATALOG_USER

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7.单项选择题Which of the following files cannot be cataloged using the CATALOG command？（）

A.Data files
B.Control files
C.Archived log files
D.Files storing RMAN scripts

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8.单项选择题To perform a database point-in-time recovery using RMAN， after database restoration， you must ensure that the database is in which of the following states？（）

A.OPEN
B.MOUNT
C.NOMOUNT
D.CLOSE

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9.单项选择题 Using the command shown here， what time format must you specify to recover the database until a point-in-time？（）
SQL> RECOVER DATABASE UNTIL TIME ’<time format>’；

A.YYYY-DD-MM:HH24:SS:MI
B.YYYY-DD-MM:HH24:SS:MM
C.YYYY-MM-DD:HH24:MI:SS
D.YYYY-DD-MM:SS:MI:HH24

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10.单项选择题Which of the following statements is NOT true about RMAN？（）

A.It improves usability by enabling you to reuse the scripts to perform recovery operations.
B.It detects block corruption while restoration and recovery operations.
C.It enables you to perform block media recovery.
D.It is capable to recover through unrecoverable operations， with only full database backups.

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