多选题Which two are characteristics of user-managed backup and recovery operations？（）ARecovery is initiated using SQL*Plus.BDatabase files are backed up using SQL commands.CDatabase files are backed up with Recovery Manager.DDatabase files are restored using

第1题：

Which one of the following RMAN commands is used to register the database files with repository that were backed up using O/S commands？（）

• A、CHANGE
• B、CATALOG
• C、CROSSCHECK
• D、SWITCH

第2题：

Which two are characteristics of user-managed backup and recovery operations？（）

• A、Recovery is initiated using SQL*Plus.
• B、Database files are backed up using SQL commands.
• C、Database files are backed up with Recovery Manager.
• D、Database files are restored using Recovery Manager.
• E、Database files are backed up using operating system commands.

第3题：

You executed the following command in Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

• A、 a list of files that require a backup within three days
• B、 a list of files requiring more than 3 days of archive logs to apply
• C、 a list of files that RMAN recommends be backed up only once in every three days，based on low volatility
• D、 a list of files for which a backup has already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

第4题：

You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）

• A、Database Datafiles 
• B、Database Control Files 
• C、Online redo logs
• D、Archived redo logs 
• E、The database SPFILE 
• F、None of the above, all these files are backed up. 

第5题：

When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUP command？（）

• A、data file
• B、password file
• C、archivelog file
• D、temporary file
• E、online redo log file
• F、the current control file
• G、the tnsnames.ora file
• H、current server parameter file

第6题：

In user-managed backup and recover procedures， how are data files backed up？ （）

• A、Using SQL commands.
• B、Using SQL*Plus commands.
• C、Using operating system commands.
• D、Using Recover Manager commands.

第7题：

Your data recovery strategy must meet the following requirements： Back up all data files and folders in C:///Data.  Restore individual files and folders in C:///Data.  Ensure that data is backed up to and restored from external media.  What should you do？（）

• A、Use the Previous Versions feature to restore the files and folders.
• B、Use the System Restore feature to perform backup and restore operations.
• C、Use the NTBackup utility to back up and restore individual files and folders.
• D、Use the Backup and Restore Center to back up and restore files.

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第13题：

You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

• A、 A list of files that require a backup within 3 days
• B、 A list of files requiring more than 3 days of archivelogs to apply
• C、 A list of files that RMAN recommends be backed up only once in every three days，based on low volatility
• D、 A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

第14题：

You have a read/x7fonly tablespace on read/x7fonly media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read/x7fonly tablespace was read/write when the control file was backed up. What should you consider？（）

• A、drop the read­only tablespace and re­create the tablespace after recovery
• B、take data files from the read­only tablespace offline before performing a recovery
• C、perform a recovery; status of the tablespace in control file will be changed automatically
• D、recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database

第15题：

When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUPcommand？ （）

• A、 data file
• B、 password file
• C、 archivelog file
• D、 temporary file
• E、 online redo log file
• F、 the current control file
• G、 the tnsnames.ora file
• H、 current server parameter file

第16题：

You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：  RMAN> REPORT NEED BACKUP days 3;  What would be the output of this command？（） 

• A、a list of files that require a backup within three days
• B、a list of files that have not been backed up for three days
• C、a list of files that RMAN recommends be backed up only once in every three days， based on low volatility
• D、a list of files for which a backup has already been performed and may need a backup after three days

第17题：

You performed a backup of the flash recovery area by using the following command for the first time： RMAN> BACKUP RECOVERY AREA;  Which files in the flash recovery area are backed up？（）

• A、flashback logs
• B、current control file
• C、control file autobackups
• D、incremental backup sets

第18题：

You are a network administrator for your company. All servers run Windows Server 2003. A network server named Server1 functions as the main file server. Server1 is backed up each night by using the Backup utility. You perform a test restoration of Server1 by using the Backup utility. You discover that files that are open during the backup process are not being backed up. You need to ensure that open files are backed up successfully. What should you do? （）

• A、Enable volume shadow copies on the partitions that are being backed up.
• B、Disable volume shadow copies on the partitions that are being backed up.
• C、Select the Verify data after backup check box in the Advanced backup options of the backup job.
• D、Clear the Disable volume shadow copy check box in the Advanced backup options of the backup job.

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