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 comp

题目
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


相似考题
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 comp”相关问题
  • 第1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.)

    • 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

    正确答案:A,C

  • 第2题:

    You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this?()

    • A、Set the UNDO_RETENTION parameter to AUTO.
    • B、Create an initial undo segment in undotablespace.
    • C、Set the UNDO_RETENTION parameter to 900 or more
    • D、Set the initialization parameter UNDO_MANAGEMENT to AUTO
    • E、Set the UNDO_MANAGEMENT parameter to the name of an undotablespace

    正确答案:D,E

  • 第3题:

    You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()

    • A、Set MEMORY_TARGET to zero
    • B、Set the STATISTICS_LEVEL parameter to BASIC
    • C、Set the WORKAREA_SIZE_POLICY parameter to MANUAL
    • D、Set the PGA_AGGREGATE_TARGET parameter to nonzero value

    正确答案:D

  • 第4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

    正确答案:B

  • 第5题:

    You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes.   Which action will you perform to check the data blocks?()

    • A、 Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUE
    • B、 Use the ANALYZE utility.
    • C、 Use the DBVERIFY utility.
    • D、 Use the DBMS_REPAIR package.

    正确答案:A

  • 第6题:

    You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this?()

    • A、Use the Database Resource Manager.
    • B、Set the limits in the profiles used by users.
    • C、Modify the SESSIONS initialization parameter.
    • D、Set the warning threshold for the Current Logons Count metric.

    正确答案:D

  • 第7题:

    You want to perform a backup of your database to tape. Which backup format can you use?()

    • A、backup set only
    • B、image copy only
    • C、only user-managed backup
    • D、both image copy and backup set
    • E、only incremental image copy backup

    正确答案:A

  • 第8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


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    You have the following requirements in relation to the detection of block corruption for your database instance:   Check for logical self-consistency of data blocks when modified in memory.  Checksums are calculated before and after the block change.  Checks are performed for the lost writes to the physical standby database.   Which method would help you perform the above checks automatically?()
    A

     Set the DB_SECUREFILE parameter to PERMITTED

    B

     Set the DB_ULTRA_SAFE parameter to DATA_ONLY

    C

     Set the DB_LOCK_CHECKSUM parameter to TYPICAL

    D

     Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL


    正确答案: A
    解析: 暂无解析

  • 第10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 FALSE

    B

    Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE

    C

    Use compression when performing tape backups

    D

    Configure multiple SBT channels


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()
    A

     Set MEMORY_TARGET to zero

    B

     Set the STATISTICS_LEVEL parameter to BASIC

    C

     Set the WORKAREA_SIZE_POLICY parameter to MANUAL

    D

     Set the PGA_AGGREGATE_TARGET parameter to nonzero value


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    You want to perform a backup of your database to tape. Which backup format can you use?()
    A

    backup set only

    B

    image copy only

    C

    only user-managed backup

    D

    both image copy and backup set

    E

    only incremental image copy backup


    正确答案: B
    解析: 暂无解析

  • 第13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

    正确答案:B

  • 第14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?()

    • 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.

    正确答案:B,C

  • 第15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

    正确答案:B

  • 第16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

    正确答案:B

  • 第17题:

    You have the following requirements in relation to the detection of block corruption for your database instance:   Check for logical self-consistency of data blocks when modified in memory.  Checksums are calculated before and after the block change.  Checks are performed for the lost writes to the physical standby database.   Which method would help you perform the above checks automatically?()

    • A、 Set the DB_SECUREFILE parameter to PERMITTED
    • B、 Set the DB_ULTRA_SAFE parameter to DATA_ONLY
    • C、 Set the DB_LOCK_CHECKSUM parameter to TYPICAL
    • D、 Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL

    正确答案:B

  • 第18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;   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 1
    • B、 The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0
    • C、 The SBT channel must be configured, with the parallelism setting for the SBT device set to 3
    • D、 The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB

    正确答案:D

  • 第19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 FALSE

    B

     Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE

    C

     Use compression when performing tape backups

    D

     Configure multiple SBT channels


    正确答案: C
    解析: 暂无解析

  • 第20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;   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 1

    B

     The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0

    C

     The SBT channel must be configured, with the parallelism setting for the SBT device set to 3

    D

     The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB


    正确答案: C
    解析: 暂无解析

  • 第21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 FALSE

    B

    Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE

    C

    Use compression when performing tape backups

    D

    Configure multiple SBT channels


    正确答案: D
    解析: 暂无解析

  • 第22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 asynchronous

    B

    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


    正确答案: A
    解析: 暂无解析

  • 第23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


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes.   Which action will you perform to check the data blocks?()
    A

     Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUE

    B

     Use the ANALYZE utility.

    C

     Use the DBVERIFY utility.

    D

     Use the DBMS_REPAIR package.


    正确答案: B
    解析: 暂无解析