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1Your database supports an online transaction processing (OLTP) application. Theapplication is undergoing some major schema changes, such as addition of new indexes and materialized views. You want to check the impact of these changes on workloadperformance.What should you use to achieve this、
A.Database replay
B.SQL Tuning Advisor
C.SQL Access Advisor
D.SQL Performance Analyzer
E.Automatic Workload Repository compare reports
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2You are about to plug a multi-terabyte non-CDB into an existing multitenant container database (CDB).The characteristics of the non-CDB are as follows:、 Version: Oracle Database 11g Release 2 (11.2.0.2.0) 64-bit、 Character set: AL32UTF8、 National character set: AL16UTF16、 O/S: Oracle Linux 6 64-bitThe characteristics of the CDB are as follows:、 Version: Oracle Database 12c Release 1 64-bit、 Character Set: AL32UTF8、 National character set: AL16UTF16、 O/S: Oracle Linux 6 64-bitWhich technique should you use to minimize down time while plugging this non-CDB into the CDB、
A.Transportable database
B.Transportable tablespace
C.Data Pump full export/import
D.The DBMS_PDB package
E.RMAN
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3You are planning the creation of a new multitenant container database (CDB) and want to store the ROOT and SEED container data files in separate directories.You plan to create the database using SQL statements.Which three techniques can you use to achieve this、
A.Use Oracle Managed Files (OMF).
B.Specify the SEED FILE_NAME_CONVERT clause.
C.Specify the PDB_FILE_NAME_CONVERT initialization parameter.
D.Specify the DB_FILE_NAMECONVERT initialization parameter.
E.Specify all files in the CREATE DATABASE statement without using Oracle managed Files (OMF).
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4You conned using SQL Plus to the root container of a multitenant container database (CDB) with SYSDBA privilege.The CDB has several pluggable databases (PDBs) open in the read/write mode.There are ongoing transactions in both the CDB and PDBs.What happens alter issuing the SHUTDOWN TRANSACTIONAL statement、
A.The shutdown proceeds immediately.The shutdown proceeds as soon as all transactions in the PDBs are either committed or rolled hack.
B.The shutdown proceeds as soon as all transactions in the CDB are either committed or rolled back.
C.The shutdown proceeds as soon as all transactions in both the CDB and PDBs are either committed or rolled back.
D.The statement results in an error because there are open PDBs.
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5An application accesses a small lookup table frequently. You notice that the required data blocks are getting aged out of the default buffer cache.How would you guarantee that the blocks for the table never age out、
A.Configure the KEEP buffer pool and alter the table with the corresponding storage clause.
B.Increase the database buffer cache size.
C.Configure the RECYCLE buffer pool and alter the table with the corresponding storageclause.
D.Configure Automata Shared Memory Management.
E.Configure Automatic Memory Management
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6You notice a performance change in your production Oracle database and you want to know which change has made this performance difference.You generate the Compare Period Automatic Database Diagnostic Monitor (ADDM) reportto further investigation.Which three findings would you get from the report、
A.It detects any configuration change that caused a performance difference in both time periods.
B.It identifies any workload change that caused a performance difference in both time periods.
C.It detects the top wait events causing performance degradation.
D.It shows the resource usage for CPU, memory, and I/O in both time periods.
E.It shows the difference in the size of memory pools in both time periods.
F.It gives information about statistics collection in both time periods.
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7Which three statements are true about adaptive SQL plan management、
A.It automatically performs verification or evolves non-accepted plans, inCOMPREHENSIVE mode when they perform better than existing accepted plans.
B.The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.
C.It adds new, bettor plans automatically as fixed plans to the baseline.
D.The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.
E.The non-accepted plans in a SQL plan baseline are automatically evolved, inCOMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.
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8You create a new pluggable database, HR_PDB, from the seed database. Which threetablespaces are created by default in HR_PDB、
A.SYSTEM
B.SYSAUX
C.EXAMPLE
D.UNDO
E.TEMP
F.USERS
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9Which two statements are true about variable extent size support for large ASM files、
A.The metadata used to track extents in SGA is reduced.
B.Rebalance operations are completed faster than with a fixed extent size
C.An ASM Instance automatically allocates an appropriate extent size.
D.B.Rebalance operations are completed faster than with a fixed extent sizeC.An ASM Instance automatically allocates an appropriate extent siz
E.D.Resync operations are completed faster when a disk comes online after being taken offline.E.Performance improves in a stretch cluster configuration by reading from a local copy of an extent.
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10You executed a DROP USER CASCADE on an Oracle 11g release 1 database andimmediately realized that you forgot to copy the OC
A.EXAM_RESULTS table to the OCP schema.The RECYCLE_BIN enabled before the DROP USER was executed and the OCP user has been granted the FLASHBACK ANY TABLE system privilege.What is the quickest way to recover the contents of the OCA.EXAM_RESULTS table to the OCP schema、A.Execute FLASHBACK TABLE OCA.EXAM_RESULTS TO BEFORE DROP RENAME TO OCP.EXAM_RESULTS; connected as SYSTEM.
B.Recover the table using traditional Tablespace Point In Time Recovery.
C.Recover the table using Automated Tablespace Point In Time Recovery.
D.Recovery the table using Database Point In Time Recovery.
E.Execute FLASHBACK TABLE OCA.EXAM_RESULTS TO BEFORE DROP RENAME TO EXAM_RESULTS; connected as the OCP user.
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