You executed a DROP USER CASCADE on an Oracle 11g release 1 database andimmediately realized that you forgot to copy the OC

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• 1Which 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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• 2You 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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• 3Which 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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• 4You 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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• 5An administrator account is granted the CREATE SESSION and SET CONTAINER systemprivileges.A multitenant container database (CDB) instant has the following parameter set:THREADED_EXECUTION = FALSEWhich four statements are true about this administrator establishing connections to root in a CDB that has been opened in read only mode、

  A.You can conned as a common user by using the connect statement.

  B.You can connect as a local user by using the connect statement.

  C.You can connect by using easy connect.

  D.You can connect by using OS authentication.

  E.You can connect by using a Net Service name.

  F.You can connect as a local user by using the SET CONTAINER statement

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• 6In your multitenant container database (CDB) containing pluggable database (PDBs), the HR user executes the following commands to create and grant privileges on a procedure:CREATE OR REPLACE PROCEDURE create_test_v (v_emp_id NUMBER, v_ename VARCHAR2, v_SALARY NUMBER, v_dept_id NUMBER)BEGININSERT INTO hr.test VALUES (V_emp_id, V_ename, V_salary, V_dept_id);END;GRANT EXECUTE ON CREATE_TEST TO john, jim, smith, king;How can you prevent users having the EXECUTE privilege on the CREATE_TESTprocedure from inserting values into tables on which they do not have any privileges、

  A.Create the CREATE_TEST procedure with definer’s rights.

  B.Grant the EXECUTE privilege to users with GRANT OPTION on the CREATE_TESTprocedure.

  C.Create the CREATE_TEST procedure with invoker’s rights.

  D.Create the CREATE_TEST procedure as part of a package and grant users the EXECUTE privilege the packag

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• 7You created a new database using the "create database" statement without specifying the "ENABLE PLUGGABLE" clause.What are two effects of not using the "ENABLE PLUGGABLE database" clause、

  A.The database is created as a non-CDB and can never contain a PD

  B.B.The database is treated as a PDB and must be plugged into an existing multitenant container database (CDB).

  C.The database is created as a non-CDB and can never be plugged into a CDB.

  D.The database is created as a non-CDB but can be plugged into an existing CDB.

  E.The database is created as a non-CDB but will become a CDB whenever the first PDB is plugged in.

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• 8What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATE DATABASE” statement、

  A.It will create a multitenant container database (CDB) with only the root opened.

  B.It will create a CDB with root opened and seed read only.

  C.It will create a CDB with root and seed opened and one PDB mounte

  D.B.It will create a CDB with root opened and seed read only.C.It will create a CDB with root and seed opened and one PDB mounted.D.It will create a CDB that must be plugged into an existing CDB.

  E.It will create a CDB with root opened and seed mounted.

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• 9You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux.You have set the DB_SMART_FLASH_FILE parameter:DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’How should the DB_FLASH_CACHE_SIZE be configured to use both devices、

  A.Set DB_FLASH_CACHE_ZISE = 64G.

  B.Set DB_FLASH_CACHE_ZISE = 64G, 64G

  C.Set DB_FLASH_CACHE_ZISE = 128G.

  D.DB_FLASH_CACHE_SIZE is automatically configured by the instance at startup.

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• 10Examine the following parameters for a database instance:MEMORY_MAX_TARGET=0MEMORY_TARGET=0SGA_TARGET=0PGA_AGGREGATE_TARGET=500mWhich three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)、

  A.LOG_BUFFER

  B.SORT_AREA_SIZE

  C.JAVA_POOL_SIZE

  D.STREAMS_POOL_SIZE

  E.DB_16K_CACHE_SZIE

  F.DB_KEEP_CACHE_SIZE

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