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（565）As soon as you discover that you have lost an online redo log,if the database is still functioning,what should be your first action?A. Shut down the databaseB. Clear the online redo logC. Back up the databaseD. Checkpoint the databaseE. Call Oracle support答案：（D）...

（564）Your database has experienced a loss of datafile users_01.dbf,which is associated with a tablespace called USERS.The database is still running.Which answer properly describes the order of the steps that you would use to recover from this error?1. Shut down the database.2. Take the ...

（563）How many individual archive-log destination directories are supported by Oracle Database11g?A. 7B. 1C. 10D. 11E. 21答案：（C）解析：LOG_ARCHIVE_DEST_nwhere:n is an integer from 1 to 31.Archive destinations 1 to 10 are available for local or remot...

（562）Your archive-log destination directory runs out of space.What is the impact of this on the database?A. None.The database will switch over to the stand-by archive-log destination directory.B. A warning message will be written to the alert log of the database,but no adverse impacts to th...

（561）If you issue the command shutdown abort prior to trying to put the database in ARCHIVELOG mode,what will be the result when you issue the command alter database archivelog?A. The alter database archivelog command will fail.B. The alter database archivelog inconsistent command must ...

（560）What is the proper command to shut down the database in a consistent manner?A. Shutdown abortB. Shutdown killC. Shutdown nowaitD. shutdown immediateE. shutdown halt答案：（D）

（559）Another DBA issues a shutdown abort command on a database on which you were running an online backup.What will happen when you try to restart the database?A. Oracle will automatically take the datafile out of hot backup mode,generate a warning message,and then open the database.B. ...

（558）Which view provides information on the backup status of the datafiles in the database?A. V$BACKUPB. V$BACKUP_STATUSC. V$BACKUP_DATAFILED. V$DATAFILE_BACKUPE. V$TABLESPCE_BACKUP答案：（A）解析：V$BACKUP displays the backup status of all online datafiles....

（557）What will be the result of the following configuration?Log_archive_dest_1 = 'location=c:\oracle\arch\mydb'Log_archive_dest_2 = 'location=z:\oracle\arch\mydb'A. An error will occur during database startup because the second parameter is not valid.B. An error will occur during da...

（556）Archived redo logs can be copied to more than one destination by Oracle.A. TrueB. False答案：（A）

（555）Which of the following parameters defines the location where Oracle should create archived redo logs?A. LOG_ARCHIVE_1B. LOG_DESTINATION_1C. LOG_ARCHIVED_DESTINATION_1D. LOG_ARCHIVE_DEST_1E. LOG_ARCHIVE_SOURCE_1答案：（D）

（554）Which is not a valid way of backing up a control file?A. Backing up the control file to traceB. Copying the existing control file of the database to the backup location during a hot backupC. Copying the existing control file of the database to the backup location during a cold back...

（553）Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on.Is this backup usable for backup and recovery of your database?A. Yes,if the database is in ARCHIVELOG mode.B. Yes,if the database is in NOARCHIVELOG mode....

（552）Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?A. alter tablespace DAVE_TBS backup mode;B. alter tablespace DAVE_TBS start backup;C. alter tablespace DAVE_TBS begin backup;D. alter tablespace DAVE_TBS backup begin;E. alter ...

（551）Which command will result in a trace file being created with the create controlfile command contained in it?A. alter database backup controlfile;B. alter database backup controlfile to trace;C. alter database controlfile backup;D. alter database controlfile backup to'/ora01/ora...

（550）What is the correct order of steps to perform an online database backup?a. alter database begin backup;b. alter database end backup;           c. Back up the database datafiles.d. Back up the archive log files.e. alter syste...

（549）Which is the correct command to put the database in ARCHIVELOG mode?A. alter database archivelogB. alter system enable archivelog modeC. alter database enable archiveD. alter database archivelog enableE. None of the above答案：（A）

（548）What are the different logging modes available in Oracle Database 11g?(Choose two.)A. NOLOG modeB. NOARCHIVELOG modeC. LOGGING modeD. HOTDATABASE modeE. ARCHIVELOG mode答案：（B、E）解析：log_mode分两种，归档和非归档sys@TEST0910>select log_mode from v$d...