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【单项选择题】

The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session？（）  

A、A. The tape I/O performed is asynchronous

B、B. The tape buffer is allocated from the System Global Area （SGA）

C、C. The tape buffer is allocated from the Program Global Area （PGA）

D、D. Oracle I/O uses an interrupt mechanism to determine when each I/O completes

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更多“The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement is true while performing a tape backup in an RMAN session？（）  ”相关的问题
第1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 unavailable  B、 The backup software is misconfigured  C、 The current backup tape is bad  D、 The wrong size backup tapes were loaded  

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第2题
[单选题] Which view provides information on the backup status of the datafiles in the database?（）

A、V$BACKUP  B、V$BACKUP_STATUS   C、V$BACKUP_DATAFILE   D、V$DATAFILE_BACKUP   E、V$TABLESPCE_BACKUP  

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第3题
[单选题] Which view provides information on the backup status of the datafiles in the database？（）  

A、 V$BACKUP  B、 V$BACKUP_STATUS  C、 V$BACKUP_DATAFILE  D、 V$DATAFILE_BACKUP  E、 V$TABLESPCE_BACKUP  

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第4题
[单选题] According to your backup strategy， you performed an incremental level 0 backup of yourdatabase. 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.  

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第5题
[] According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

A、A.The backup is similar to image copy.  B、B.The backup contains all used data blocks.  C、C.The backup contains only unused data blocks.  D、D.The backup contains all data blocks changed since the last incremental level 1 backup.  

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第6题
[单选题] You work as a database administrator for Certkiller .com. 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.  

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第7题
[单选题] A customer requires off-site storage for 500 GB per night in backup tapes. The backup site is 560kilometers （350 miles） away. The customer does not require the backup site to run the applicationin the event of failure at the main site. What is the least expensive strategy for the data center toimplement？（）

A、make online image backups  B、install Global Mirror at the backup site  C、ship nightly backup tapes to the remote site  D、install Tivoli Storage Manager （TSM） and a tape drive at the backup site  

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第8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 backup  B、 Different incremental backup  C、 Cumulative backup  D、 Cumulative incremental backup  

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第9题
[] Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）

A、A.Differential incremental backup  B、B.Different incremental backup   C、C.Cumulative backup   D、D.Cumulative incremental backup  

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第10题
[] A customer has the need to implement a tape backup solution to backup a 500GB database on a daily basis.  Which of the following factors is the most important consideration in the design of a backup and restore solution？（）

A、A.Amount of data in the backup  B、B.Bandwidth available to the tape device  C、C.Length of the backup/restore window  D、D.Speed that the backup system can find files for restoration  

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