单项选择题

A.to enable operating system authentication for a remot……

You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DB
A. While observing the server settings， you find that the
following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE
What could have been the reason to set this parameter as TRUE？（）

A.to enable operating system authentication for a remote client
B.to restrict the scope of administration to identical operating systems
C.to allow the start up and shut down of the database from a remote client
D.to enable the administration of the operating system from a remote client
E.to disable the administration of the operating system from a remote client

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热门试题

单项选择题YouwanttoadministeryourPRODdatabasefromaremotehostmachineusingaWeb-enabledinterface.WhichOracletoolwouldyouusetoaccomplishthistaskefficientlywithoutusingcommand-lineinterfaces？（）

A.SQL*Plus
B.iSQL*Plus
C.Management Server
D.Management Repository
E.Oracle Enterprise Manager 10g Database Control

多项选择题Youareinthemiddleofatransactionandverycrucialdatahasbeenmodified.Becauseofahardwarefailure，theinstancehasshutdownbeforesynchronizingallthedatabasefiles.Whichtwostatementsaretrue？（）

A.On startup， SMON coordinates instance recovery.
B.On startup， CKPT coordinates instance recovery.
C.On startup， use RMAN to perform instance recovery.
D.Uncommitted changes will be rolled back after the database is opened.
E.On startup， perform media recovery and then instance recovery.
F.On startup， all the files will be synchronized and you get both committed and uncommitted data.

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A.uses undo data for roll forward
B.uses Flashback Log for recovery
C.uses online redo logs to roll back
D.uses undo data to roll back the transaction
E.uses Recovery Manager （RMAN） to roll back
F.uses the System Monitor （SMON） background process to perform instance recovery

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A.On Wednesday， the statistics have been purged.
B.On Wednesday， the retention period has been set to zero.
C.On Wednesday， the collection interval has been set to zero.
D.On Wednesday， the collection level has been changed to All.
E.On Wednesday， the retention period has been set to one day.
F.On Wednesday， the retention period has been set to two days.
G.On Wednesday， the collection level has been changed to Typical.
H.On Wednesday， the collection interval has been set to 1440 minutes.

单项选择题You execute the following set of commands to create a database user and to grant the system privileges in your production environment. SQL> CREATE USER user01 IDENTIFIED BY oracle DEFAULT TABLESPACE tbs1 TEMPORARY TABLESPACE temp PROFILE default SQL> GRANT create session， create table TO user01； While executing the command to create a table， the user gets the following error message and the CREATE TABLE.. command fails. ERROR at line 1： ORA-01950： no privileges on tablespace What could be the possible reason for this error message？（）

A.The tablespace TBS1 is full.
B.The user is not the owner of the SYSTEM tablespace.
C.The user does not have quota on the TBS1 tablespace.
D.The user does not have sufficient system privileges to create table in the TBS1 tablespace.
E.The user does not have sufficient privileges to create table on the default permanent tablespace.