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• 81Which three actions are possible during an Online Data file Move operation、

  A.Creating and dropping tables in the data file being moved

  B.Performing file shrink of the data file being moved

  C.Querying tables in the data file being moved

  D.Performing Block Media Recovery for a data block in the data file being moved

  E.Flashing back the database

  F.Executing DML statements on objects stored in the data file being moved

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• 82Your 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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• 83Identify 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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• 84Which 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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• 85You 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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• 86You 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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• 87In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer.Which statement is true、

  A.The CDB must be open.

  B.The CDB must be in the mount stage.

  C.The CDB must be in the nomount stage.

  D.Alt existing PDBs must be closed.

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• 88Which two statements are true about the Oracle Direct Network File system (DNFS)、

  A.It utilizes the OS filesystem cache.

  B.A traditional NFS mount is not required when using Direct NFS.

  C.Oracle Disk Manager can manage NFS on its own, without using the operating kernel NFS driver.

  D.Direct NFS is available only in UNIX platforms.

  E.Direct NFS can load-balance I/O traffic across multiple network adapters.

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• 89Which three statements are true when the listener handles connection requests to an Oracle 12c database instance with multithreaded architecture enabled In UNIX、

  A.Thread creation must be routed through a dispatcher process

  B.The local listener may spawn a now process and have that new process create a thread

  C.Each Oracle process runs an SCMN threa

  D.D.Each multithreaded Oracle process has an SCMN thread.

  E.The local listener may pass the request to an existing process which in turn will create a thread.

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• 90Which three operations can be performed as multipartition operations in Oracle、

  A.Merge partitions of a list partitioned table

  B.Drop partitions of a list partitioned table

  C.Coalesce partitions of a hash-partitioned global index.

  D.Move partitions of a range-partitioned table

  E.Rename partitions of a range partitioned table

  F.Merge partitions of a reference partitioned index

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