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单选题
You are tuning RMAN to optimize performance.You want tape I/O to be asynchronous when you perform tape backups. Which action should you take?()
A
Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE
B
Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE
C
Use compression when performing tape backups
D
Configure multiple SBT channels
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更多 “单选题You are tuning RMAN to optimize performance.You want tape I/O to be asynchronous when you perform tape backups. Which action should you take?()A Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC Use compression when performing tape backupsD Configure multiple SBT channels” 相关考题
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You are tuning RMAN to optimize performance.You want tape I/O to be asynchronous when you perform tape backups. Which action should you take?()
A. Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB.Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC. Use compression when performing tape backupsD. Configure multiple SBT channels
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You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command:RMAN BACKUPSECTION SIZE 300M TABLESPACE users;Identify the appropriate configuration to accomplish faster and optimized backups using the above command.()A. The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.B. The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.C. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.D. The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1
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You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)A、The backup piece size will be limited to 300 MBB、The RMAN uses multiplexing to perform backupC、The operation is accomplished using the default channel availableD、The RMAN parallelizes the backup although the parallelism is not set for a channel
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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、The tape I/O performed is asynchronousB、The tape buffer is allocated from the System Global Area (SGA)C、The tape buffer is allocated from the Program Global Area (PGA)D、Oracle I/O uses an interrupt mechanism to determine when each I/O completes
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You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true regarding the execution of the above command?()A、 The RMAN parallelizes the backup although the parallelism is not set for a channel.B、 The backup piece size will be limited to 300 MB.C、 The operation is accomplished using the default channel available.D、 Three channels for the tape drive must be configured by setting the parallelism to three.
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You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMANBACKUP SECTION SIZE 300M TABLESPACE users; What configuration should be effected to accomplish faster and optimized backups by using the above command?()A、 The SBT channel must be configured, with the default parallelism setting for the SBT device set to 1B、 The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0C、 The SBT channel must be configured, with the parallelism setting for the SBT device set to 3D、 The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB
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单选题You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.Which type of backup should you perform?()A
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考题
单选题You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups. Which action should you take?()A
Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB
Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC
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Configure multiple SBT channels
考题
多选题You want to use the SQL Tuning Advisor to generate recommendations for badly written SQL statements in your development environment. Which three sources can you select for the advisor to analyze? ()ATop SQLBsnapshotsCSQL Tuning setsDindex access pathEoptimizer statisticsFmaterialized view logs
考题
单选题Tape streaming is not happening while performing RMAN tape backup. On investigation, you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to the tape drive fast enough. What could be a solution to make tape streaming happen during the backup?()A
Configure backup optimizationB
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Configure the channel to adjust the tape buffer size with the BLKSIZE option
考题
单选题You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Identify the appropriate configuration to accomplish faster and optimized backups using the above command.()A
The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.B
The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.C
The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.D
The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1
考题
多选题You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true regarding the execution of the above command?()AThe RMAN parallelizes the backup although the parallelism is not set for a channel.BThe backup piece size will be limited to 300 MB.CThe operation is accomplished using the default channel available.DThree channels for the tape drive must be configured by setting the parallelism to three.
考题
多选题You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)AThe backup piece size will be limited to 300 MBBThe RMAN uses multiplexing to perform backupCThe operation is accomplished using the default channel availableDThe RMAN parallelizes the backup although the parallelism is not set for a channel
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单选题You want to implement the backup and recovery strategy in your database using Recovery Manager (RMAN). You have chosen the control file of the target database for the RMAN repository. Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication?()A
rman TARGET / NOCATALOGB
rman TARGET sys/passwordC
rman TARGET sys/password AS SYSDBAD
rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat
考题
单选题You have configured the flash recovery area to store online redo log files, control files, archived redo logs and RMAN backups. Which of the following files can you successfully delete from the flash recovery area if you want to reclaim the space within it?()A
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RMAN obsolete backupsC
multiplexed online redo log filesD
archived redo logs that have not been copied to tape
考题
单选题What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?()A
CONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA B
CONFIGURE DEFAULT DEVICE TYPE TO TAPE C
CONFIGURE DEFAULT DEVICE TYPE TO SBT D
CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE
考题
单选题Tape streaming is not happening while performing RMAN tape backup. On investigation, you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to the tape drive fast enough. What could be a solution to make tape streaming happen during the backup?()A
Configure backup optimizationB
Configure the channel to increase MAXOPENFILESC
Configure the channel to increase the capacity with the RATE parameterD
Configure the channel to adjust the tape buffer size with the BLKSIZE option
考题
单选题You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups.Which action should you take?()A
Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB
Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC
Use compression when performing tape backupsD
Configure multiple SBT channels
考题
多选题You notice that your RMAN script used to copy the datafiles, control files, and archived redo log files is performing very slowly. Which two changes might you want to include in your RMAN script to speed up the COPY commands?()ANOCHECKSUMBMAXCORRUPTCCHECK LOGICALDBACKUP INCREMENTALECONFIGURE DEVICE TYPE ... PARALLELISM
考题
单选题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
The tape I/O performed is asynchronousB
The tape buffer is allocated from the System Global Area (SGA)C
The tape buffer is allocated from the Program Global Area (PGA)D
Oracle I/O uses an interrupt mechanism to determine when each I/O completes
考题
单选题You work with a newly created database. Presently, there is no application load on the database instance. You want to create a baseline for tuning the application, so you decide to collect recommendations that can be implemented to improve application performance. What action must you take to achieve this?()A
Run Segment AdvisorB
Run the SQL Tuning Advisor (STA)C
Run the Automatic Workload Repository (AWR) reportD
Run the SQL Access Advisor with a hypothetical workload
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