You database is running an ARCHIVELOG mode.The following par-最需题库

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1Examine 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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2In 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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3You 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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4You 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、
A.Enable Memory Access Mode, which reads performance data from SGA.
B.Use emergency monitoring to fetch data directly from SGA analysis.
C.Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
D.Use Active Session History (ASH) data and hang analysis in regular performance monitoring.
E.Run ADDM in diagnostic mode.
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5What 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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6You 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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7Which three functions are performed by the SQL Tuning Advisor、
A.Building and implementing SQL profiles
B.Recommending the optimization of materialized views
C.Checking query objects for missing and stale statistics
D.Recommending bitmap, function-based, and B-tree indexes
E.Recommending the restructuring of SQL queries that are using bad plans
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8Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true、
A.None of the data definition language (DDL) statements are logged in the trace file.
B.Only DDL commands that resulted in errors are logged in the alert log file.
C.A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file.
D.Only DDL commands that resulted in the creation of new database files are logged.
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9Your multitenant container database (CDB) contains three pluggable database (PDBs).You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational、
A.Mount the container database (CDB) and restore the control file from the control file auto backup.
B.Recover and open the CDB in NORMAL mode.
C.Mount the CDB and then recover and open the database, with the RESETLOGS option.
D.Open all the pluggable databases.
E.C.Mount the CDB and then recover and open the database, with the RESETLOGS option.D.Open all the pluggable databases.E.Recover each pluggable database.
F.Start the database instance in the nomount stage and restore the control file from control file auto backup.
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10A new report process containing a complex query is written, with high impact on thedatabase. You want to collect basic statistics about query, such as the level of parallelism, total database time, and the number of I/O requests.For the database instance STATISTICS_LEVEL, the initialization parameter is set to TYPICAL and the CONTROL_MANAGEMENT_PACK_ACCESS parameter is set to DIAGNOSTIC+TUNING.What should you do to accomplish this task、
A.Execute the query and view Active Session History (ASH) for information about the query.
B.Enable SQL trace for the query.
C.Create a database operation, execute the query, and use theDBMS_SQL_MONITOR.REPORT_SQL_MONITOR function to view the report.
D.Use the DBMS_APPLICATION_INFO.SET_SESSION_LONGOPS procedure to monitor query execution and view the information from the V$SESSION_LONGOPS view.
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