In your multitenant container database (CDB) containing plug-最需题库

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1Examine 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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2You 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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3What 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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4You 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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5In 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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6Which two statements are true concerning the Resource Manager plans for individualpluggable databases (PDB plans) in a multitenant container database (CDB)、
A.If no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that PD
B.B.In a PDB plan, subplans may be used with up to eight consumer groups.
C.If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the CDB.
D.If no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated.
E.If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.
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7You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true、
A.Corrupted blocks, if any, are repaired.
B.Checks are performed for physical corruptions.
C.Checks are performed for logical corruptions.
D.B.Checks are performed for physical corruptions.C.Checks are performed for logical corruptions.D.Checks are performed to confirm whether all database files exist in correct locations
E.Backup sets containing both data files and archive logs are created.
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8Which three statements are true concerning the multitenant architecture、
A.Each pluggable database (PDB) has its own set of background processes.
B.A PDB can have a private temp tablespace.
C.PDBs can share the sysaux tablespace.
D.Log switches occur only at the multitenant container database (CDB) level.
E.C.PDBs can share the sysaux tablespace.D.Log switches occur only at the multitenant container database (CDB) level.E.Different PDBs can have different default block sizes.
G.PDBs share a common system tablespace.
H.A.Each pluggable database (PDB) has its own set of background processes.B.A PDB can have a private temp tablespace.C.PDBs can share the sysaux tablespace.D.Log switches occur only at the multitenant container database (CDB) level.E.Different PDBs can have different default block sizes.F.PDBs share a common system tablespace.G.Instance recovery is always performed at the CDB level.
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9You notice that the elapsed time for an important database scheduler Job is unacceptably long.The job belongs to a scheduler job class and window.Which two actions would reduce the job's elapsed time、
A.Increasing the priority of the job class to which the job belongs
B.Increasing the job's relative priority within the Job class to which it belongs
C.Increasing the resource allocation for the consumer group mapped to the scheduler job's job class within the plan mapped to the scheduler window
D.Moving the job to an existing higher priority scheduler window with the same schedule and duration
E.Increasing the value of the JOB_QUEUE_PROCESSES parameter
F.Increasing the priority of the scheduler window to which the job belongs
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10You plan to migrate your database from a File system to Automata Storage Management (ASM) on same platform.Which two methods or commands would you use to accomplish this task、
A.RMAN CONVERT command
B.Data Pump Export and import
C.Conventional Export and Import
D.The BACKUP AS COPY DATABASE . . . command of RMAN
E.DBMS_FILE_TRANSFER with transportable tablespace
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