多項(xiàng)選擇題

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 MB
B. The RMAN uses multiplexing to perform backup
C. The operation is accomplished using the default channel available
D. The RMAN parallelizes the backup although the parallelism is not set for a channel

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多項(xiàng)選擇題

Which two commands never trigger an implicit rebalancing within the disk group?（） (Choose two.)

A. ALTER DISKGROUP misc MOUNT;
B. ALTER DISKGROUP misc DROP DISK misc2;
C. ALTER DISKGROUP misc CHECK ALL NOREPAIR;
D. ALTER DISKGROUP misc RESIZE ALL SIZE 1023m;
E. ALTER DISKGROUP dgroupA ADD DISK '/devices/A*';

多項(xiàng)選擇題

Indentify two advantages of using recovery catalog instead of the control file of the database in RecoveryManager (RMAN).（）(Choose two.)

A. You can use RMAN stored scripts
B. Recovery is faster if data is stored in catalog in addition to the control file
C. You can store backup information of all registered databases in one place
D. Database backups are automatically deleted when they are older than the specified time period

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你可能感興趣的試題

Which two commands never trigger an implicit rebalancing within the disk group?（） (Choose two.)

Indentify two advantages of using recovery catalog instead of the control file of the database in RecoveryManager (RMAN).（）(Choose two.)

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