• 053(二十二)


    106、

    106.You are working as a DBA on the decision support system. 
    There is a business requirement to track and store all transactions for at least three years for a few tables in the database. 
    Automatic undo management is enabled in the database. 
    Which configuration should you use to accomplish this task?
    A. Enable Flashback Data Archive for the tables.
    B. Specify undo retention guarantee for the database.
    C. Enable supplemental logging for the database.
    D. Query V$UNDOSTAT to determine the amount of undo that will be generated and create an undo tablespace for that size.
    E. Create Flashback Data Archive on the tablespace on which the tables are stored.

    107、

    107.Which components are needed for successful and most efficient recovery.
    A. The backup RB3 and the current online redo log files
    B. the backup RB2 and the archived redo log files after the log sequence number 15622
    C. Backup R81 and the archived redo log hies after the log sequence number 12871
    D. The backup RB3 and the archived redo log files after the log sequence number 16721

    108、

    108.You are managing an Oracle Database 11g instance with ASM storage. You lost an ASM disk group DATA. 
    You have RMAN backup of data as well as ASM metadata backup. 
    You want to re-create the missing disk group by using the ASMCMD md_restore command. 
    Which of these methods would you use to achieve this? (Choose all that apply.)
    A. Restore the disk group with the exact configuration as the backed-up disk group, using the same disk group name, same set of disks, failure group configurations, and data on the disk group.
    B. Restore the disk group with the exact configuration as the backed-up disk group, using the same disk group name, same set of disks, and failure group configurations.
    C. Restore the disk group with changed disk group specification, failure group specification, disk group name, and other disk attributes.
    D. Restore metadata in an existing disk group by passing the existing disk group name as an input parameter.

    109、

    109.Which statement describes the effect of table redefinition on the triggers attached to the table?
    A. All triggers on the table are invalidated and are automatically revalidated with the next DML execution on the table.
    B. All triggers on the table are invalidated and must be manually recompiled before the next DML execution on the table.
    C. All triggers on the table remain valid.
    D. Only triggers that are affected by the changes to the structure of the table are invalidated and automatically revalidated with the next DML execution on the table.

    110、

    110.You plan to collect the Automatic Workload Repository (AWR) data every Monday morning for a month. 
    You want Oracle Database to automatically create a baseline every Monday and remove the old baseline. 
    What is the correct action to achieve this?
    A. Create and populate a SQL Tuning Set from the AWR on every Monday.
    B. Change the RETENTION setting for the AWR snapshots to 7 days on Monday.
    C. Create a repeating baseline template.
    D. Insert a finding directive for future ADDM tasks.
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  • 原文地址:https://www.cnblogs.com/huanhuanang/p/5397612.html
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