You notice that the performance of your production 24/7 Oracle database significantlydegraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance.How can you detect the cause of the degraded performance、

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• 1What are three purposes of the RMAN “FROM” clause、

  A.to support PUSH-based active database duplication

  B.to support synchronization of a standby database with the primary database in a Data environment

  C.To support PULL-based active database duplication

  D.To support file restores over the network in a Data Guard environment

  E.To support file recovery over the network in a Data Guard environment

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• 2Which three are true about the large pool for an Oracle database instance that supports shared server connections、

  A.Allocates memory for RMAN backup and restore operations

  B.Allocates memory for shared and private SQL areas

  C.Contains a cursor area for storing runtime information about cursors

  D.Contains stack space

  E.Contains a hash area performing hash joins of tables

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• 3In order to exploit some new storage tiers that have been provisioned by a storageadministrator, the partitions of a large heap table must be moved to other tablespaces in your Oracle 12c database、Both local and global partitioned B-tree Indexes are defined on the table.A high volume of transactions access the table during the day and a medium volume of transactions access it at night and during weekends.Minimal disrupt ion to availability is required.Which three statements are true about this requirement、

  A.The partitions can be moved online to new tablespaces.

  B.Global indexes must be rebuilt manually after moving the partitions.

  C.The partitions can be compressed in the same tablespaces.

  D.The partitions can be compressed in the new tablespaces.

  E.Local indexes must be rebuilt manually after moving the partitions.

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• 4Which three are direct benefits of the multiprocess, multithreaded architecture of Oracle Database 12c when it is enabled、

  A.Reduced logical I/O

  B.Reduced virtual memory utilization

  C.Improved parallel Execution performance

  D.Improved Serial Execution performance

  E.Reduced physical I/O

  F.Reduced CPU utilization

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• 5Your multitenant container (CDB) containing three pluggable databases (PDBs) is running in ARCHIVELOG mode. You find that the SYSAUX tablespace is corrupted in the rootcontainer.The steps to recover the tablespace are as follows:1. Mount the CDB.2. Close all the PDBs.3. Open the database.4. Apply the archive redo logs.5. Restore the data file.6. Take the SYSAUX tablespace offline.7. Place the SYSAUX tablespace online.8. Open all the PDBs with RESETLOGS.9. Open the database with RESETLOGS.10. Execute the command SHUTDOWN ABORT.Which option identifies the correct sequence to recover the SYSAUX tablespace、

  A.6, 5, 4, 7

  B.10, 1, 2, 5, 8

  C.10, 1, 2, 5, 4, 9, 8

  D.10, 1, 5, 8, 10

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• 6You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.Which three storage options support the use of HCC、

  A.ASM disk groups with ASM disks consisting of Exadata Grid Disks.

  B.ASM disk groups with ASM disks consisting of LUNS on any Storage Area Networkarray

  C.ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files

  D.Database files stored in ZFS and accessed using conventional NFS mounts.

  E.Database files stored in ZFS and accessed using the Oracle Direct NFS feature

  G.Database files stored in any filesystem and accessed using the Oracle Direct NFS feature

  H.A.ASM disk groups with ASM disks consisting of Exadata Grid Disks.B.ASM disk groups with ASM disks consisting of LUNS on any Storage Area NetworkarrayC.ASM disk groups with ASM disks consisting of any zero padded NFS-mounted filesD.Database files stored in ZFS and accessed using conventional NFS mounts.E.Database files stored in ZFS and accessed using the Oracle Direct NFS featureF.Database files stored in any filesystem and accessed using the Oracle Direct NFS featureG.ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays

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• 7In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions、

  A.It collects data from SGA and compares it with a preserved snapshot.

  B.It collects data from SGA, analyzes it, and provides a report.

  C.It collects data from SGA and compares it with the latest snapshot.

  D.It collects data from both SGA and PGA, analyzes it, and provides a report.

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• 8Examine the following steps of privilege analysis for checking and revoking excessive, unused privileges granted to users:1. Create a policy to capture the privilege used by a user for privilege analysis.2. Generate a report with the data captured for a specified privilege capture.3. Start analyzing the data captured by the policy.4. Revoke the unused privileges.5. Compare the used and unused privileges’ lists.6. Stop analyzing the dat

  A.Identify the correct sequence of steps.A.1, 3, 5, 6, 2, 4

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

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

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

  E.1, 3, 5, 2, 6

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• 9You database is running an ARCHIVELOG mode.The following parameter are set in your database instance:LOG_ARCHIVE_FORMAT = arch+%t_%r.arcLOG_ARCHIVE_DEST_1 = ‘LOCATION = /disk1/archive’DB_RECOVERY_FILE_DEST_SIZE = 50GDB_RECOVERY_FILE = ‘/u01/oradata’Which statement is true about the archived redo log files、

  A.They are created only in the location specified by the LOG_ARCHIVE_DEST_1 parameter.

  B.They are created only in the Fast Recovery Area.

  C.They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and in the default location $ORACLE_HOME/dbs/arch.

  D.They are created in the location specified by the LOG_ARCHIVE_DEST_1 parameter and the location specified by the DB_RECOVERY_FILE_DEST parameter.

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• 10You are administering a database stored in Automatic Storage management (ASM). The files are stored in the DATA disk group. You execute the following command:SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile.dbf’ FOR ‘+data/prod/myfile.dbf’What is the result、

  A.The file ‘+data.231.54769’ is physically relocated to ‘+data/prod’ and renamed as ‘myfile.dbf’ .

  B.The file ‘+data.231.54769’ is renamed as ‘myfile.dbf’, and copied to ‘+data/prod’ .

  C.The file ‘+data.231.54769’ remains in the same location and a synonym 'myfile.dbf' is create

  D.D.The file ‘myfil

  E.dbf’ is created in ‘+data/prod’ and the reference to ‘+data.231.54769’ in the data dictionary removed.

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