Which three actions are possible during an Online Data file Move operation、

试卷相关题目

• 1Which two statements are true about Oracle Managed Files (OMF)、

  A.OMF cannot be used in a database that already has data files created with user- specified directions.

  B.The filesystem directions that are specified by OMF parameters are created automatically.

  C.OMF can be used with ASM disk groups, as well as with raw devices, for better file management.

  D.OMF automatically creates unique file names for table spaces and control files.

  E.OMF may affect the location of the redo log files and archived log files

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• 2You configure your database Instance to support shared server connections.Which two memory areas that are part of PGA are stored in SGA instead, for shared server connection、

  A.User session data

  B.Stack space

  C.Private SQL area

  D.Location of the runtime area for DML and DDL Statements

  E.Location of a part of the runtime area for SELECT statements

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• 3Which two partitioned table maintenance operations support asynchronous Global Index Maintenance in Oracle database 12c、

  A.ALTER TABLE SPLIT PARTITION

  B.ALTER TABLE MERGE PARTITION

  C.ALTER TABLE TRUNCATE PARTITION

  D.ALTER TABLE ADD PARTITION

  E.ALTER TABLE DROP PARTITION

  F.ALTER TABLE MOVE PARTITION

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• 4Which three tasks can be automatically performed by the Automatic Data Optimization feature of Information lifecycle Management (ILM)、

  A.Tracking the most recent read time for a table segment in a user tablespace

  B.Tracking the most recent write time for a table segment in a user tablespace

  C.Tracking insert time by row for table rows

  D.Tracking the most recent write time for a table block

  E.Tracking the most recent read time for a table segment in the SYSAUX tablespace

  F.Tracking the most recent write time for a table segment in the SYSAUX tablespace

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• 5A senior DBA asked you to execute the following command to improve performance:SQL> ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle);You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows.What could be a reason for this recommendation、

  A.The keep pool is not configured.

  B.Automatic Workarea Management is not configured.

  C.Automatic Shared Memory Management is not enable

  D.B.Automatic Workarea Management is not configured.C.Automatic Shared Memory Management is not enabled.D.The data blocks in the SUBSCRIBE_LOG table are rarely accessed.

  E.All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view.

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• 6Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The   default permanent tablespace in HR_PDB is USERDAT

  A.The container database (CDB) is open and you connect RMAN.You want to issue the following RMAN command:RMAN > BACKUP TABLESPACE hr_pdb:userdata;Which task should you perform before issuing the command、A.Place the root container in ARHCHIVELOG mode.

  B.Take the user data tablespace offline.

  C.Place the root container in the nomount stage.

  D.Ensure that HR_PDB is open.

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• 7Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyze impact on the performance of SQL statements.

  A.Change in the Oracle Database version

  B.Change in your network infrastructure

  C.Change in the hardware configuration of the database server

  D.Migration of database storage from non-ASM to ASM storage

  E.Database and operating system upgrade

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• 8Which two statements are true about the RMAN validate database command、

  A.It checks the database for intrablock corruptions.

  B.It can detect corrupt pfiles.

  C.It can detect corruptspfiles.

  D.It checks the database for interblock corruptions.

  E.It can detect corrupt block change tracking files.

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• 9You install a non-RAC Oracle Database. During Installation, the Oracle Universal Installer (OUI) prompts you to enter the path of the Inventory directory and also to specify an operating system group name.Which statement is true、

  A.The ORACLE_BASE base parameter is not set.

  B.The installation is being performed by the root user.

  C.The operating system group that is specified should have the root user as its member.

  D.The operating system group that is specified must have permission to write to theinventory directory.

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• 10You are required to migrate your 11.2.0.3 database as a pluggable database (PDB) to a multitenant container database (CDB).The following are the possible steps to accomplish this task:1. Place all the user-defined tablespace in read-only mode on the source database.2. Upgrade the source database to a 12c version.3. Create a new PDB in the target container database.4. Perform a full transportable export on the source database with the VERSION parameter set to 12 using the expdp utility.5. Copy the associated data files and export the dump file to the desired location in the target database.6. Invoke the Data Pump import utility on the new PDB database as a user with theDATAPUMP_IMP_FULL_DATABASE role and specify the full transportable import options.7. Synchronize the PDB on the target container database by using theDBMS_PDS.SYNC_ODB function.Identify the correct order of the required steps.

  A.2, 1, 3, 4, 5, 6

  B.1, 3, 4, 5, 6, 7

  C.1, 4, 3, 5, 6, 7

  D.2, 1, 3, 4, 5, 6, 7

  E.1, 5, 6, 4, 3, 2

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