You 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、

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• 1An 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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• 2Your 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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• 3You 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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• 4You 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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• 5You 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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• 6Which 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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• 7You 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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• 8Which 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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• 9You 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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• 10In 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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