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多选题
You work as a database administrator for Supportcenter.cn. Users in the SupportCenter PROD database complain about the slow response when accessing the database. In the Active Session Waiting: Configuration page you find that the majority of the wait time is for the redo log buffer. Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks, and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance?()
A

Increase the size of redo log files

B

Increase the size of redo log buffer

C

Increase the number of redo log files

D

Place the redo log files on a separate disk

E

Decrease the number of redo log groups to two

F

Increate the number Log Writer (LGWR) process


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更多 “多选题You work as a database administrator for Supportcenter.cn. Users in the SupportCenter PROD database complain about the slow response when accessing the database. In the Active Session Waiting: Configuration page you find that the majority of the wait time is for the redo log buffer. Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks, and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance?()AIncrease the size of redo log filesBIncrease the size of redo log bufferCIncrease the number of redo log filesDPlace the redo log files on a separate diskEDecrease the number of redo log groups to twoFIncreate the number Log Writer (LGWR) process” 相关考题
考题 You work as a database administrator for Supportcenter.cn. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation. Which advisory component would you refer to, in order to determine the appropriate indexes?()A、Memory AdvisorsB、Segment AdvisorsC、SQL Tuning and Access AdvisorsD、Automated Workload Repository (AWR)E、Automatic Database Diagnostic Monitor (ADDM)

考题 You work as a database administrator for Supportcenter.cn. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()A、Database ControlB、Management ServerC、Management RepositoryD、Application Server ControlE、Oracle Management Agent

考题 Users in your PROD database complain about the slow response of the transactions. While investigating the reason, you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()A、increase the undo retentionB、create more undo segmentsC、create another undo tablespaceD、increase the size of the undo tablespace

考题 You work as a database administrator for Certkiller .com. Users in the Certkiller PROD database complain about the slow response when accessing the database. In the Active Session Waiting: Configuration page you find that the majority of the wait time is for the redo log buffer.Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks, and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance?()A、Increase the size of redo log filesB、Increase the size of redo log bufferC、Increase the number of redo log filesD、Place the redo log files on a separate diskE、Decrease the number of redo log groups to twoF、Increate the number Log Writer (LGWR) process

考题 You work as a database administrator for Supportcenter.cn. You find that users with DBA role are using more CPU resources than what is allocated in their profiles. Which action would you take to ensure that resources limits are imposed on these users?()A、Assign the DEFAULT profile to the usersB、Set the RESOURCE_LIMIT parameter to TRUE in the parameter fileC、Create a new profile with CPU restrictions and assign it to the usersD、Specify the users as members of the DEFAULT_CONSUMER_GROUPE、Revoke the DBA role and grant CONNECT and RESOURCE role to the users

考题 You work as a database administrator for Supportcenter.cn. Users complain that their query is taking a long time to complete. You suspect the database buffer cache size to be the reason, and you define an alert to be generated when the buffer cache hit metric goes below 85%. When you observe the dynamic performance views, you find that the buffer cache hit ratio is 81% but no alerts are being generated.  What could be the reason for this problem?()A、The advisory memory has been turned off.B、The DB_CACHE_ADVICE parameter has been set to OFF in the parameter file.C、The STATISTICS_LEVEL parameter has been set to BASIC in the parameter file.D、The TIMED_STATISTICS parameter has been set to FALSE in the parameter file.E、The STATISTICS_LEVEL parameter has been set to TYPICAL in the parameter file.

考题 You work as a database administrator for Certkiller .com. You enabled tracing while creating a listener to your database.  What additional information is available to you when you enable tracing?()A、Information about each Oracle Net connection.B、Information about each entry in theLinstener.orafileC、Information about the changed done in the databaseD、Information about the different listeners in your systemE、Information about all thenondatabasefiles required to operate the database

考题 You work as a database administrator for Supportcenter.cn. In a production environment, users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response?()A、The trace fileB、The fixed viewsC、The data dictionary viewsD、The operating system log fieldsE、The dynamic performance views.

考题 You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case?()A、Hot backupB、Online backupC、consistent backupD、incremental backupE、inconsistent backup

考题 You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()A、Increase the undo returnB、Create more undo segmentsC、Create another undotablespaceD、Increase the size of the undotablespace

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考题 You work as a database administrator for Supportcenter.cn. Users in the Supportcenter.cn PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero.  What would you do to overcome this problem?()A、Increase the undo returnB、Create more undo segmentsC、Create another undotablespaceD、Increase the size of the undo tablespace

考题 You work as a database administrator for Supportcenter.cn. Users in the SupportCenter PROD database complain about the slow response when accessing the database. In the Active Session Waiting: Configuration page you find that the majority of the wait time is for the redo log buffer. Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks, and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance?()A、Increase the size of redo log filesB、Increase the size of redo log bufferC、Increase the number of redo log filesD、Place the redo log files on a separate diskE、Decrease the number of redo log groups to twoF、Increate the number Log Writer (LGWR) process

考题 You work as a database administrator for Certkiller .com. In a production environment, users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response?()A、The trace fileB、The fixed viewsC、The data dictionary viewsD、The operating system log fieldsE、The dynamic performance views.

考题 You work as a database administrator for Supportcenter.cn. You are using three database, SupportCenter DB01, SupportCenter DB02, and SupportCenter DB03, on different host machines in your development environment. The database server configuration, such as IP address and listener port number, change frequently due to development requirements, and you have the task of notifying the developers of the changes. Which connection method would you use to overcome this overhead?()A、Host namingB、Local namingC、Easy ConnectD、External namingE、directory naming

考题 You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication.  You decide to make use of Microsoft ASP.NET 3.5 in order to create the application. The followingmarkup is present on the page:      " ="" selectcommand="GetUsers" selectcommandtype="StoredProcedure" filterexpression="Active=1 AND Name LIKE ’{0}%’">            The page is used to retrieve the Users from a company database. However, only the active usersare displayed. The TextBox control allows you to also filter users by status. You do not specify astatus when you click the Filter button. You notice that the page does not filter by active users andshows all the users that are retrieved from the database. You need to make the necessary settingsto ensure that only the active users are being displayed on the page when a status is notspecified.  What should you do?()A、You should ensure that a default value for the Status property of the ControlParameter controlis set.B、You should ensure that the PropertyName property of the ControlParameter control is set toText.C、You should ensure that the ControlParameter control’s ConvertEmptyStringToNull property isset to false.D、You should ensure that the {0} placeholder in the FilterExpression property is replaced with the(?) symbol.

考题 You work as a database administrator for Supportcenter.cn. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing?()A、Information about each Oracle Net connection.B、Information about each entry in theLinstener.orafileC、Information about the changed done in the databaseD、Information about the different listeners in your systemE、Information about all thenondatabasefiles required to operate the database

考题 单选题You work as a database administrator for Supportcenter.cn. You are using three database, SupportCenter DB01, SupportCenter DB02, and SupportCenter DB03, on different host machines in your development environment. The database server configuration, such as IP address and listener port number, change frequently due to development requirements, and you have the task of notifying the developers of the changes. Which connection method would you use to overcome this overhead?()A Host namingB Local namingC Easy ConnectD External namingE directory naming

考题 单选题You work as a database administrator for Supportcenter.cn. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation. Which advisory component would you refer to, in order to determine the appropriate indexes?()A Memory AdvisorsB Segment AdvisorsC SQL Tuning and Access AdvisorsD Automated Workload Repository (AWR)E Automatic Database Diagnostic Monitor (ADDM)

考题 多选题You work as a database administrator for Supportcenter.cn. You decided to manage client and server connections using Local Naming method in Supportcenter.cn. When you try to connect to the database you get the following error: ERROR:   ORA-12154:TNS:couldnot resolve service name   Which network configuration files would you look into to resolve this error?()Asnmp.oraBnames.oraCspfile.oraDsqlnet.oraElistener.oraFtnsnames.ora

考题 单选题You work as a database administrator for Supportcenter.cn. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective, which component would you configure on each database server?()A Database ControlB Management ServerC Management RepositoryD Application Server ControlE Oracle Management Agent

考题 多选题You work as a database administrator for Certkiller .com. Users in the Certkiller PROD database complain about the slow response when accessing the database. In the Active Session Waiting: Configuration page you find that the majority of the wait time is for the redo log buffer.Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks, and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance?()AIncrease the size of redo log filesBIncrease the size of redo log bufferCIncrease the number of redo log filesDPlace the redo log files on a separate diskEDecrease the number of redo log groups to twoFIncreate the number Log Writer (LGWR) process

考题 多选题You work as a database administrator for Supportcenter.cn. One of the database users accidentally deleted all the rows of a critical table and committed the delete at 1:30 p.m. You senior database administrator, SupportCenter, asks you to retrieve the lost data. Which two actions would you use to ensure that there is no impact on other connected users while retrieving the deleted rows?()AUse a flashback query to retrieve the rows that were deletedBUseconventialincremental export and then import the affected objectCShutdown the database inNORMALmode and restart the database instanceDUse DBMS_META package to reconstruct the object using undo segmentsEUseTablespacePoint in Time Recovery (TSPITR) method to recover the table and the dataFUse Oracle DataPumptwithflashback_timeoption toentableflashback export and then import the affected object.

考题 单选题You work as a database administrator for Certkiller .com. In a production environment, users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response?()A The trace fileB The fixed viewsC The data dictionary viewsD The operating system log fieldsE The dynamic performance views.

考题 单选题You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case?()A Hot backupB Online backupC consistent backupD incremental backupE inconsistent backup

考题 单选题You work as a database administrator for Supportcenter.cn. In a production environment, users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response?()A The trace fileB The fixed viewsC The data dictionary viewsD The operating system log fieldsE The dynamic performance views.

考题 多选题You work as a database administrator for Supportcenter.cn. Users in the SupportCenter PROD database complain about the slow response when accessing the database. In the Active Session Waiting: Configuration page you find that the majority of the wait time is for the redo log buffer. Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks, and that the disk I/O for the redo log files is the reason for the performance degradation.  Which two actions would you take to gain performance?()AIncrease the size of redo log filesBIncrease the size of redo log bufferCIncrease the number of redo log filesDPlace the redo log files on a separate diskEDecrease the number of redo log groups to twoFIncreate the number Log Writer (LGWR) process

考题 多选题You work as a database administrator for Supportcenter.cn. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN; What two actions are performed as a result of this command?()AAll control files are openedBAll redo files are openedCThe password file is openedDThe parameter file is openedEAll online data files are opened