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If a backup is expired， which of the following is true？（）
- A、 It can never be used for a restore/recover operation.
- B、 Oracle will remove the backup set pieces from the flash recovery area.
- C、 The backup has been used at least once to restore and recover the database.
- D、 The backup is no longer valid because of a resetlogs operation.
- E、 The physical backup set pieces are missing from the media.
参考答案
更多 “If a backup is expired， which of the following is true？（） A、 It can never be used for a restore/recover operation.B、 Oracle will remove the backup set pieces from the flash recovery area.C、 The backup has been used at least once to restore and recover the database.D、 The backup is no longer valid because of a resetlogs operation.E、 The physical backup set pieces are missing from the media.” 相关考题
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You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()
A. The backup as copy can only be taken to diskB. The backup as copy can only be taken to tapeC. Backup can be performed only when the instance is shutdownD. Backup will constitute all used and unused blocks in the database
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The backup utility reports an error while performing the backup process. The server indicates noother problems. Which of the following is the MOST likely cause of the failed backup？（）A、 Network is unavailableB、 The backup software is misconfiguredC、 The current backup tape is badD、 The wrong size backup tapes were loaded
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指定同/异步串口1和2的备份优先级分别为10和20的配置为（）A、backup interface 1 10； backup interface 2 20B、backup interface serial 1 10； backup interface serial 2 20C、backup interface 1 priority 10； backup interface 2 priority 20D、backup interface serial 1 priority 10； backup interface serial 2 priority 20
考题
Which of the following BEST describes the difference between differential and incremental backups？（）A、 An incremental backup requires fewer tapes for restoration than a differential backup. B、 A differential backup tape takes less time than an incremental backup tape.C、 A differential backup requires fewer tapes for restoration than an incremental backup.D、 An incremental backup tape costs less than a differential backup tape.
考题
A system administrator performs a full backup every Saturday evening and incremental backups the rest of the week. The system failed on Thursday and needs to be restored. Which backup tapes will be required to restore the system to its most recent recoverable state？（）A、Saturday’s full backup tape onlyB、Wednesday’s incremental backup tape onlyC、Saturday’s full backup and Wednesday’s incremental backup tapesD、Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes
考题
Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）A、 BACKUP AS COMPRESSED BACKUPSET DATABASEB、 BACKUP AS COMPRESSED COPY OF DATABASEC、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E、 BACKUP DATABASE COMPRESS
考题
You are managing an Oracle Database 11g database with this backup strategy： - Every Sunday night， level 0 backup is performed. - On Monday night and subsequent days， level 1 incremental backup is performed. The backups are not cumulative incremental. Which statement about Monday’s backup is true（）A、The backup contains all the used blocks.B、The backup contains all the used and unused blocks.C、The backup contains blocks that have changed since the last level 0 backup.D、The backup contains blocks that have changed since the last level 1 backup taken last week.
考题
When youre performing active database duplication，a backup of what kind is required？（） A、 A current RMAN backup-set backup is required.B、 No backup is required.C、 An RMAN image backup is required.D、 A manual backup is required.E、 A "duplicate" preparatory backup is required.
考题
You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A、 The backup will not be performed at all.B、 three timesC、 four timesD、 six times
考题
What is an obsolete backup set？（） A、 A backup set that is missing one or more backup set piecesB、 A backup that has exceeded the retention criteria and is no longer neededC、 A backup set that does not include archived redo logsD、 A backup set that can not be recovered due to corruptionE、 A backup set superceded by a datafile copy
考题
Which phrase best describes RMAN multiplexed backup sets？（）A、Stripes a single backup set across multiple channels.B、Identical copies of backup pieces within a backup set.C、Multiple backup sets with multiple channels configured.D、Simultaneous reads from multiple files and writes into the same backup piece.
考题
What type of backup is stored in a proprietary RMAN format？（）A、 Backup setB、 Image copyC、 Backup sectionD、 Backup group
考题
You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?（）A、The backup as copy can only be taken to diskB、The backup as copy can only be taken to tapeC、Backup can be performed only when the instance is shutdownD、Backup will constitute all used and unused blocks in the database
考题
You want to perform a backup of your database to tape. Which backup format can you use？（）A、backup set onlyB、image copy onlyC、only user-managed backupD、both image copy and backup setE、only incremental image copy backup
考题
You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to implement a backup schedule on Server1 to meet the following requirements: ·Everyday, back up all files and folders to disk. ·Every Friday, back up all files and folders to tape. ·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since the previous Friday’s backup to tape. Which backup jobs should you create? （）A、·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and ThursdayB、·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and ThursdayC、·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, ThursdayD、·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday
考题
单选题You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to implement a backup schedule on Server1 to meet the following requirements: ·Everyday, back up all files and folders to disk. ·Every Friday, back up all files and folders to tape. ·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since the previous Friday’s backup to tape. Which backup jobs should you create? （）A
·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and ThursdayB
·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and ThursdayC
·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, ThursdayD
·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday
考题
单选题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）A
Differential incremental backupB
Different incremental backup C
Cumulative backup D
Cumulative incremental backup
考题
单选题What type of backup is stored in a proprietary RMAN format？（）A
Backup setB
Image copyC
Backup sectionD
Backup group
考题
单选题According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）A
The backup is similar to image copy.B
The backup contains all used data blocks.C
The backup contains only unused data blocks.D
The backup contains all data blocks changed since the last incremental level 1 backup.
考题
单选题Consider the following scenario for your database: Which statement is true regarding the backup of the TOOLS tablespace?（）A
The RMAN backup fails because the TOOLS tablespace is read-onlyB
The RMAN skips the backup of the tablespace because backup optimization is enabledC
The RMAN makes backup because optimization can be enabled only for backups to diskD
The RMAN makes the backup because no backup of the tablespace exists within the seven day window
考题
单选题You are managing an Oracle Database 11g database with this backup strategy： - Every Sunday night， level 0 backup is performed. - On Monday night and subsequent days， level 1 incremental backup is performed. The backups are not cumulative incremental. Which statement about Monday’s backup is true（）A
The backup contains all the used blocks.B
The backup contains all the used and unused blocks.C
The backup contains blocks that have changed since the last level 0 backup.D
The backup contains blocks that have changed since the last level 1 backup taken last week.
考题
单选题The backup utility reports an error while performing the backup process. The server indicates noother problems. Which of the following is the MOST likely cause of the failed backup？（）A
Network is unavailableB
The backup software is misconfiguredC
The current backup tape is badD
The wrong size backup tapes were loaded
考题
单选题You are the network administrator for Test King. All network servers run Windows Server 2003. You perform a full backup of the network every Monday. You perform incremental backups on Tuesday, Wednesday, Thursday, and Friday. Backups are always performed at 1:00 A.M. On Friday afternoon, a user accidentally deletes a file. You need to restore the file. What should you do?（）A
Open each backup log, beginning with Monday and moving forward through the week. In each log, search for a backup of the file. Restore the first backup that you find.B
Open each backup log, beginning with Friday and moving backward through the week. In each log, search for a backup of the file. Restore the first backup that you find.C
Open each backup log, beginning with Tuesday and moving forward through the week. In each log, search for a backup of the file. Restore the first backup that you find.D
Open the backup log for Monday. Search for a backup of the file. If you find a backup, restore the file. If you do not find a backup, open the backup log for Friday and search there. If you find a backup, restore the file. If you do not find a backup, continue opening backup logs, moving backward through the week from FridayRestore the first backup that you find.
考题
单选题You need to recommend a backup strategy for Hyper-V. What should you recommend？（）A
Take a snapshot of each VM， and then run a full backup of the Hyper-V hosts by using Windows Server Backup.B
Shut down the VMs，and then run a full backup of the Hyper-V hosts by using Windows Server Backup. Restart the VMs when the backup is complete.C
From each VM,run a full backup by using Windows Server Backup， and then run a full backup of the Hyper-V hosts by using Windows Server Backup.D
From each VM,run a full backup by using Windows Server Backup. Shut down the VMs， and then run a full backup of the Hyper-V hosts by using Windows Server Backup. Restart the VMs when the backup is complete.
考题
单选题What is an obsolete backup set？（）A
A backup set that is missing one or more backup set piecesB
A backup that has exceeded the retention criteria and is no longer neededC
A backup set that does not include archived redo logsD
A backup set that can not be recovered due to corruptionE
A backup set superceded by a datafile copy
考题
单选题Which view provides information on the backup status of the datafiles in the database?（）A
V$BACKUPB
V$BACKUP_STATUS C
V$BACKUP_DATAFILE D
V$DATAFILE_BACKUP E
V$TABLESPCE_BACKUP
考题
单选题When youre performing active database duplication，a backup of what kind is required？（）A
A current RMAN backup-set backup is required.B
No backup is required.C
An RMAN image backup is required.D
A manual backup is required.E
A duplicate preparatory backup is required.
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