单项选择题

A.Modify the value for the UTL_FILE_DIR parameter in th……

In your Supportcenter.cn production database，you find that the database users are able to create and read files with unstructured data，available in any location on the host machine from an application. You want to restrict the database users to access files in a specific location on the host machine. What could do to achieve this？（）

A.Modify the value for the UTL_FILE_DIR parameter in the parameter file
B.Grant read and write privilege on the operating system path to the database users
C.Modify the value for the LDAP_DIRECTORY_ACCESS parameter in the parameter file
D.Modify the value for the PLSQL_NATIVE_LIBRARY_DIR parameter in the parameter file
E.Create a directory object referring to the operating system path， and grant read and write privilege on the directory object to the database users

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单项选择题YouworkasadatabaseadministratorforSupportcenter.cn.Yourdatabaseisconfiguredforautomaticundomanagement.UNDO_RETENTIONissetto3hours.Youwanttoflashbackatablethatwascreatedlastyear.Howfarbackcantheflashbackquerygo？（）

A.3 hours
B.6 months
C.until last year
D.until last commit
E.until the point when the undotablespacewas refreshed
F.until the database is shut down and the memory erased

单项选择题TheoperatingsystemfilecratabintheLinuxplatformgetsupdatedwheneveryoucreateanewdatabaseonthesamehostmachine.Whatkindofinformationisstoredisstoredinthisfile？（）

A.OracleSIDsonly
B.Oracle homes only
C.Oracle install timestamp
D.Oracle inventory pointer files
E.Oracle database creation timestamp
F.OracleSIDsand Oracle homes only
G.OracleSIDs， Oracle homes and flag for auto startup

单项选择题YouworkasadatabaseadministratorforSupportcenter.cn.InyourOracledatabase10ginstallationyouhavesetORACLE_BASEto u01 app oracle.Whichobjectivewillbeachievedbythissetting？（）

A.The Oracle kernel will be placed in this location.
B.The Oracle software will be placed in this location.
C.The server parameter file （SPFILE） will be placed in this location.
D.The database files will be placed in this location， if not specified explicitly.
E.The location will be considered for the base of Oracle Managed Files （OMF）.
F.The location will be considered for the base of Optimal Flexible Architecture （OFA）.

单项选择题YouworkasadatabaseadministratorforSupportcenter.cn.YoufindthatuserswithDBAroleareusingmoreCPUresourcesthanwhatisallocatedintheirprofiles.Whichactionwouldyoutaketoensurethatresourceslimitsareimposedontheseusers？（）

A.Assign the DEFAULT profile to the users
B.Set the RESOURCE_LIMIT parameter to TRUE in the parameter file
C.Create a new profile with CPU restrictions and assign it to the users
D.Specify the users as members of the DEFAULT_CONSUMER_GROUP
E.Revoke the DBA role and grant CONNECT and RESOURCE role to the users

单项选择题YourSupportcenter.cndatabaseisinARCHIVELOGmode.ThedatafilethatbelongstotheSYSTEMtablespacehasbecomecorrupted.Uptowhatpointcanyourecoverthedatabase？（）

A.Until last commit
B.Until the time you perform recovery
C.Until the time the date file got corrupted
D.Until the point where the last transaction begun
E.You cannot recover the SYSTEMtablespaceand must re-create the database.