What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database、

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• 1Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table’s   indexes, to another tablespace.The table does not have a primary key and is used by an OLTP application.Which technique will move the table and indexes while maintaining the highest level of availability to the application、

  A.Oracle Data Pump.

  B.An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD to move theindexes.

  C.An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD ONLINE to move the indexes.

  D.Online Table Redefinition.

  E.Edition-Based Table Redefinition.

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• 2 You must track all transactions that modify certain tables in the sales schema for at least three years.Automatic undo management is enabled for the database with a retention of one day.Which two must you do to track the transactions、

  A.Enable supplemental logging for the database.

  B.Specify undo retention guarantee for the database.

  C.Create a Flashback Data Archive in the tablespace where the tables are store

  D.D.Create a Flashback Data Archive in any suitable tablespac

  E.E.Enable Flashback Data Archiving for the tables that require tracking.

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• 3On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command:$> sqlldr hr/hr@pdb table=employeesWhich two statements are true regarding the command、

  A.It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.

  B.It fails because no SQL *Loader data file location is specified.

  C.It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.

  D.C.It fails if the HR user does not have the CREATE ANY DIRECTORY privileg

  E.D.It fails because no SQL *Loader control file location is specified.

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• 4You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements:SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;For which database users is the audit policy now active、

  A.All users except SYS

  B.All users except SCOTT

  C.All users except sys and SCOTT

  D.All users except sys, system, and SCOTT

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• 5Examine the following command:CREATE TABLE (prod_id number(4),Prod_name varchar2 (20),Category_id number(30),Quantity_on_hand number (3) INVISIBLE);Which three statements are true about using an invisible column in the PRODUCTS table、

  A.The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output.

  B.The DESCRIBE commands in SQL *Plus will not display the invisible column in the output.

  C.Referential integrity constraint cannot be set on the invisible column.

  D.The invisible column cannot be made visible and can only be marked as unused.

  E.A primary key constraint can be added on the invisible column.

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• 6Identify two correct statements about multitenant architectures.

  A.Multitenant architecture can be deployed only in a Real Application Clusters (RAC) configuration.

  B.Multiple pluggable databases (PDBs) share certain multitenant container database (CDB) resources.

  C.Multiple CDBs share certain PDB resources.

  D.Multiple non-RAC CDB instances can mount the same PDB as long as they are on the same server.

  E.Patches are always applied at the CDB level.

  F.A PDB can have a private undo tablespace.

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• 7You upgrade your Oracle database in a multiprocessor environment. As a recommended you execute the following script:SQL > @utlrp.sqlWhich two actions does the script perform、

  A.Parallel compilation of only the stored PL/SQL code

  B.Sequential recompilation of only the stored PL/SQL code

  C.Parallel recompilation of any stored PL/SQL code

  D.Sequential recompilation of any stored PL/SQL code

  E.Parallel recompilation of Java code

  F.Sequential recompilation of Java code

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• 8Which two statement is true concerning dropping a pluggable database (PDB)、

  A.The PDB must be open in read-only mode.

  B.The PDB must be in mount state.

  C.The PDB must be unplugge

  D.D.The PDB data files are always removed from disk.

  E.A dropped PDB can never be plugged back into a multitenant container database (CDB).

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• 9You notice a high number of waits for the db file scattered read and db file sequential read events in the recent Automatic Database Diagnostic Monitor (ADDM) report. After further   investigation, you find that queries are performing too many full table scans and indexes    are not being used even though the filter columns are indexed.Identify three possible reasons for this.

  A.Missing or stale histogram statistics

  B.Undersized shared pool

  C.High clustering factor for the indexes

  D.High value for the DB_FILE_MULTIBLOCK_READ_COUNT parameter

  E.Oversized buffer cache

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• 10Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges、

  A.Bind Variable Peeking

  B.SQL Plan Baselines

  C.Adaptive Cursor Sharing

  D.Bind variable used in a SQL statement

  E.Literals in a SQL statement

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