网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager (RMAN). The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.  Which action would you consider to overcome the performance degradation?()
A

Configure Java Pool to cache the java objects.

B

Configure Streams Pool to enable parallel processing.

C

Increase Shared Pool size to cache more PL/SQL objects.

D

Increase Database Buffer Cache size to increase cache hits.

E

Configure Large Pool to be used by RMAN and shared server.

F

Increase the total System Global Area (SGA) size to increase memory hits.


参考答案

参考解析
解析: 暂无解析
更多 “单选题You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager (RMAN). The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.  Which action would you consider to overcome the performance degradation?()A Configure Java Pool to cache the java objects.B Configure Streams Pool to enable parallel processing.C Increase Shared Pool size to cache more PL/SQL objects.D Increase Database Buffer Cache size to increase cache hits.E Configure Large Pool to be used by RMAN and shared server.F Increase the total System Global Area (SGA) size to increase memory hits.” 相关考题
考题 You work as a database administrator for Certkiller .com. You received the following error while working on your database: ORA-01555: snapshot too old  In which situation would you receive such an error?()A、You performed rollback after commit.B、If a log switch occurs in your database.C、Thearchiverfails to generate an archived log file.D、Instance recovery fails to find one of the redo log files.E、A long-running query is unable to get read-consistent image.F、If you perform manual undo management operations in auto mode.

考题 You work as a database administrator for Certkiller .com. You are using three database, Certkiller DB01, Certkiller DB02, and Certkiller DB03, on different host machines in your development environment. The database serverconfiguration, such as IP address and listener port number, change frequently due to development requirements, and you havethe 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 database administrator for Certkiller .com. You want to administer your database servers,which are running on different host machines,using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective?()A、Application Server ControlB、Oracle Management ServiceC、Oracle Enterprise Manager RepositoryD、Oracle Enterprise Manager Database Control

考题 You work as a database administrator for Certkiller .com. You are using Recovery Manager (RMAN) to perform backups in your databases.  Which four backup operations can be performed using RMAN?()A、A backup of the target database when it is mountedB、A backup of online redo log files when the database is openC、A backup of only used data blocks in the file beingbeingbackup upD、A backup of online, read/write data files when the database is openE、A backup of only those data blocks that have changed since a previous backupF、A backup of online, read/write data files when the database is in the NOMOUNT state.

考题 You work as a database administrator for Certkiller .com. 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. 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 Certkiller .com. You want to configure database backups to be run automatically.  Which tool or utility would you use to achieve this? ()A、The DBMS_JOB packageB、The BACKUP_JOB packageC、The DBMS_BACKUP_RESTORE packageD、The calendar tool in the Operating System (OS)E、The backup scheduler in Enterprise Manager (EM)F、The DBMS_BACKUP_SCHEDULER packager inline mode

考题 You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control, you find the status of the job as failed. On further investigation, you find the following error message in the output log: ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table?()A、Restart the database instance and run the jobB、Truncate the Certkiller STAFF table and run the jobC、Delete all rows from the Certkiller STAFF table and run the jobD、Increase the size of the USERStablespacethe and run the jobE、Increase the size of the database default permanenttablespaceand run the job

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

考题 You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?()A、Configure Java Pool to cache the java objects.B、Configure Streams Pool to enable parallel processing.C、Increase Shared Pool size to cache more PL/SQL objects.D、Increase Database Buffer Cache size to increase cache hits.E、Configure Large Pool to be used by RMAN and shared server.F、Increase the total System Global Area (SGA) size to increase memory hits.

考题 You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode.  How would you do this?()A、Execute the ALTER DATABASE ARCHIVELOG statement B、Select ARCHIVELOG option in the database control and restart the database to apply the changes. C、Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement. D、Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement. 

考题 You work as a database administrator for Certkiller .com. You decided to manage client and server connections using Local Naming method in Certkiller .com. 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?()A、snmp.oraB、names.oraC、spfile.oraD、sqlnet.oraE、listener.oraF、tnsnames.ora

考题 You work as a database administrator for Certkiller .com. 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 You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager (RMAN). The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason.  Which action would you consider to overcome the performance degradation?()A、Configure Java Pool to cache the java objects.B、Configure Streams Pool to enable parallel processing.C、Increase Shared Pool size to cache more PL/SQL objects.D、Increase Database Buffer Cache size to increase cache hits.E、Configure Large Pool to be used by RMAN and shared server.F、Increase the total System Global Area (SGA) size to increase memory hits.

考题 单选题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

考题 单选题You work as a database administrator for Certkiller .com. 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 find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?()A Configure Java Pool to cache the java objects.B Configure Streams Pool to enable parallel processing.C Increase Shared Pool size to cache more PL/SQL objects.D Increase Database Buffer Cache size to increase cache hits.E Configure Large Pool to be used by RMAN and shared server.F Increase the total System Global Area (SGA) size to increase memory hits.

考题 单选题You work as a database administrator for Certkiller .com. 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 Certkiller .com. 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, Certkiller, 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. 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. You decided to manage client and server connections using Local Naming method in Certkiller .com. 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 Certkiller .com. You received the following error while working on your database: ORA-01555: snapshot too old  In which situation would you receive such an error?()A You performed rollback after commit.B If a log switch occurs in your database.C Thearchiverfails to generate an archived log file.D Instance recovery fails to find one of the redo log files.E A long-running query is unable to get read-consistent image.F If you perform manual undo management operations in auto mode.

考题 单选题You work as a database administrator for Certkiller .com. You are using three database, Certkiller DB01, Certkiller DB02, and Certkiller DB03, on different host machines in your development environment. The database serverconfiguration, such as IP address and listener port number, change frequently due to development requirements, and you havethe 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 Certkiller .com. You want to configure database backups to be run automatically.  Which tool or utility would you use to achieve this? ()A The DBMS_JOB packageB The BACKUP_JOB packageC The DBMS_BACKUP_RESTORE packageD The calendar tool in the Operating System (OS)E The backup scheduler in Enterprise Manager (EM)F The DBMS_BACKUP_SCHEDULER packager inline mode

考题 多选题You work as a database administrator for Certkiller .com. You are using Recovery Manager (RMAN) to perform backups in your databases.  Which four backup operations can be performed using RMAN?()AA backup of the target database when it is mountedBA backup of online redo log files when the database is openCA backup of only used data blocks in the file beingbeingbackup upDA backup of online, read/write data files when the database is openEA backup of only those data blocks that have changed since a previous backupFA backup of online, read/write data files when the database is in the NOMOUNT state.

考题 单选题You work as a database administrator for Certkiller .com. While loading data into the Certkiller STAFF table using Oracle Enterprise Manager 10g Database Control, you find the status of the job as failed. On further investigation, you find the following error message in the output log: ORA-01653 unable to extend table HR. Certkiller STAFF by 8 intablespaceUSERS Which task would you perform to load the data successfully without affecting the users who are accessing the table?()A Restart the database instance and run the jobB Truncate the Certkiller STAFF table and run the jobC Delete all rows from the Certkiller STAFF table and run the jobD Increase the size of the USERStablespacethe and run the jobE Increase the size of the database default permanenttablespaceand run the job

考题 单选题While setting up an Oracle database for one of your critical applications, you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective?()A configure the database to run in ARCHIVELOG modeB configure the Flash Recovery Area to enable automatic database backupC schedule the database backup using DBMS_JOB package after creating the databaseD schedule the database backup using Recovery Manager (RMAN)commands after creating the databaseE schedule the database backup using Database Configuration Assistant (DBCA)while creating the database