Channel 1.
Channel 2.
Both of them.
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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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.
You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database. Which two statements are true about this backup operation? （）(Choose two.)A、Backup compression should be enabledB、Parallelism for the channel should be set to 2C、All the files must be backed up as backup setsD、The backup may be stored either on disk or on media with media manager
ou are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each. Which method would accomplish the task quickly and efficiently?（）A、parallel image copy backup B、backup with MAXPIECESIZE configured for the channel C、parallel backup with MAXPIECESIZE configured for the channel D、intrafile parallel backup
In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN> RUN 2> { 3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4> BACKUP DATABASE; 5> } Which statement is true about the outcome?（）A、Only one channel is allocated and the backup is created in the flash recovery areaB、Only one channel is allocated and the backup is created in the destination specified for channel 1C、Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2D、Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA
单选题You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.A cross the channel as you are the stand-on vesselB cross only if the vessel in the channel is approaching on your port sideC not cross the channel if you might impede the other vesselD sound the danger signal
单选题A customer is ready to order a pSeries solution. However， the pSeries technical specialist is unsure whether the customer preferred the fibre channel or the external SCSI disk attachment option. What is the most appropriate action for the specialist to take next？（）A Ask the customer to confirm which option is best for their environment.B Order the fibre channel option and purchase a converter later if necessary.C Order both SCSI and fibre channel adapters to cover both potential options.D Inform the customer that fibre channel was selected for performance reasons.
