多选题You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?()AUse the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused filesBExecute the PURGE BINARY LOGE NOT USED commandCRemove all of the binary log files that have a modification date earlier than todayDEdit the .index file to remove the files you want to deleteEEnsure that none of the attached slaves are using any of the binary logs you want to delete

多选题
You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?()
A

Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused files

B

Execute the PURGE BINARY LOGE NOT USED command

C

Remove all of the binary log files that have a modification date earlier than today

D

Edit the .index file to remove the files you want to delete

E

Ensure that none of the attached slaves are using any of the binary logs you want to delete


参考解析

解析: 暂无解析

相关考题:

You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?() A.Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused filesB.Execute the PURGE BINARY LOGE NOT USED commandC.Remove all of the binary log files that have a modification date earlier than todayD.Edit the .index file to remove the files you want to deleteE.Ensure that none of the attached slaves are using any of the binary logs you want to delete

You work as a database administrator for Supportcenter.cn. 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.

Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile

You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement:       SQLALTER DATABASE OPEN RESETLOGS;   Which of the following options is true about using the RESETLOGS option?()A、 The log sequence is reset to 0.B、 All the online redo logs are deleted.C、 All the archived redo logs from a previous incarnation become useless.D、 The full database backup taken from a previous incarnation can be used in future.E、 Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.

You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to  ’LOG%t_%s_%r.dbf’.  Why is %r used in the file name format?() A、to uniquely identify the archived log files with the restore operationB、to uniquely identify the archived log files with the redo log group numberC、to uniquely identify the archived log files for each incarnation of the databaseD、to uniquely identify the archived log files with the number of recovery operations performed

If you create your database using Oracle Managed Files (OMF), what is true?()A、You must use Oracle predefined names to identify raw partitions that will hold OMF structures. B、You must define directories for two online redo log groups and three copies of the control file. C、If your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. D、You must use only OMF data files when adding new tablespaces or data files to your database in the future.

A user executes the statement; PURGE BINARY LOGS TO 'mysql-bin.010'; What is the result?()A、It deletes all binary log files, except 'mysql-in.010'B、It deletes all binary log files up to and including 'mysql-bin.010'C、It deletes all binary log files before 'mysql-bin.010'D、It deletes all binary log files after 'mysql-bin.010'

You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?()A、renaming the control filesB、dropping a user in your databaseC、enabling or disabling redo log archivingD、dropping a tablespace in your databaseE、re-creating the control files, after you lost all the control files in your database

You are maintaining your database in Oracle10g. On Tuesday at 8:00 A.M., while starting the database, you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6:00 P.M. Which type of recovery will you perform?()A、 incomplete recoveryB、 complete recoveryC、 recovery using the Flashback Database featureD、 recovery using the export/import utility

You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option.  What is the effect of opening the database with the RESETLOGS option? ()A、This operation resets the SCN for the database.B、This operation creates a new incarnation of the database.C、This operation moves all the redo log files to a different location.D、This operation deletes the old redo log files and creates new redo log files.E、This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

You notice that your RMAN script used to copy the datafiles, control files, and archived redo log files is performing very slowly. Which two changes might you want to include in your RMAN script to speed up the COPY commands?()A、NOCHECKSUMB、MAXCORRUPTC、CHECK LOGICALD、BACKUP INCREMENTALE、CONFIGURE DEVICE TYPE ... PARALLELISM

You manage a SQL Server 2005 computer that was installed using default settings. After a power failure, the SQL Server (MSSQLSERVER) service on your database server does not start. You need to find out the cause of the problem. Which three actions should you perform?()A、In Event Viewer, view the system log.B、In Event Viewer, view the application log.C、In Notepad, view the C:///Program Files/Microsoft SQL Server/MSSQL.1/MSSQL/LOG/ErrorLog.1 file.D、In Notepad, view the C:///Program Files/Microsoft SQL Server/MSSQL.1/MSSQL/LOG/ErrorLog file.E、In Notepad, view the C:///Program Files/Microsoft SQL Server/MSSQL.1/MSSQL/LOG/SQLAgent.out file.

You administer a SQL Server 2008 instance. You plan to deploy a new database to the instance. The database will be subject to frequent inserts and updates. The database will have multiple schemas. One of the schemas will contain a large amount of read-only reference data. You need to design the physical database structure for optimal backup performance. What should you do?() A、Create the database by using a single data file and a single log file.B、Create the database by using a single data file and multiple log files.C、Create the database by using a single log file and multiple filegroups.D、Create the database by using a single log file and a filegroup that has multiple data files.

Your company has a main office and a branch office You deploy a read-only domain controller (RODC) that runs Microsoft Windows Server 2008 to the branch office You need to ensure that users at the branch office are able to log on to the domain by using the RODC What should you do()A、Add another RODC to the branch officeB、Configure a new bridgehead server in the main officeC、Configure the Password Replication Policy on the RODCD、Decrease the replication interval for all connection objects by using the Actrve Directory Sites and Services console

You want to configure your Windows 2000 Professional portable computer to use offline files. The files that you want to access offline include a large project file and some smaller personal files. Your portable computer is configured to connect to the network by using the dial up connection at scheduled times during day to automatically download your e-mail messages. You do not want to synchronize the project file when you connect to the network using the dial-up connection. What you should do?()A、Configure the Synchronization Settings to perform a quick synchronization. B、Configure the Synchronization Settings to ask you before synchronizing items. C、Configure the Synchronization Settings to synchronize the project file only when using the LAN connection. Set synchronization for the personal files for both the LAN connection and your dial-up connection. D、Set the synchronization settings to synchronize the project file only when you log off the network. Set synchronization for the personnel files for both the LAN and dialup connection for logging on and logging off.

单选题You are maintaining your database in Oracle10g. On Tuesday at 8:00 A.M., while starting the database, you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6:00 P.M. Which type of recovery will you perform?()A incomplete recoveryB complete recoveryC recovery using the Flashback Database featureD recovery using the export/import utility

单选题Your boss at Certkiller .com wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true?()ATransactions are rolled back using redo log files.BTransactions are rolled forward using redo log files.CTransactions are rolled back using redo log files and archived log files.DTransactions are rolled forward using redo log files and rolled back using redo log files.

单选题You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?()Arenaming the control filesBdropping a user in your databaseCenabling or disabling redo log archivingDdropping a tablespace in your databaseEre-creating the control files, after you lost all the control files in your database

单选题If you create your database using Oracle Managed Files (OMF), what is true?()AYou must use Oracle predefined names to identify raw partitions that will hold OMF structures. BYou must define directories for two online redo log groups and three copies of the control file. CIf your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. DYou must use only OMF data files when adding new tablespaces or data files to your database in the future.

单选题A user executes the statement; PURGE BINARY LOGS TO 'mysql-bin.010'; What is the result?()AIt deletes all binary log files, except 'mysql-in.010'BIt deletes all binary log files up to and including 'mysql-bin.010'CIt deletes all binary log files before 'mysql-bin.010'DIt deletes all binary log files after 'mysql-bin.010'

单选题You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure, the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files?()AOnly the data files.BAll of the data files and the control files.COnly the data files belonging to the SYSTEM tablespace.DOnly the data files belonging to the SYSTEM tablespace and the control files.

多选题You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option.  What is the effect of opening the database with the RESETLOGS option? ()AThis operation resets the SCN for the database.BThis operation creates a new incarnation of the database.CThis operation moves all the redo log files to a different location.DThis operation deletes the old redo log files and creates new redo log files.EThis operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

单选题You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?()AOpen the database in NORMAL modeBOpen the database in read-only modeCOpen the database in RESTRICTED modeDOpen the database with the RESETLOGS option

单选题You have a public computer that runs Windows XP Professional. All users log on to the computer by using the same user account. You log on to the computer by using the local administrator account and attempt to access a secure Web site. You discover that you have automatically logged on to the secure Web site by using the credential of another user. You need to connect to the secure Web site by using your own credentials. What should you do?()ARun ipconfig /flushdns at the command prompt. BReset the password for the local administrator user account. CFrom the Internet Options in Internet Explorer, clear the AutoComplete history.DFrom the Internet Options in Internet Explorer, delete the Temporary Internet Files.

多选题You notice that your RMAN script used to copy the datafiles, control files, and archived redo log files is performing very slowly. Which two changes might you want to include in your RMAN script to speed up the COPY commands?()ANOCHECKSUMBMAXCORRUPTCCHECK LOGICALDBACKUP INCREMENTALECONFIGURE DEVICE TYPE ... PARALLELISM

单选题You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to  ’LOG%t_%s_%r.dbf’.  Why is %r used in the file name format?()Ato uniquely identify the archived log files with the restore operationBto uniquely identify the archived log files with the redo log group numberCto uniquely identify the archived log files for each incarnation of the databaseDto uniquely identify the archived log files with the number of recovery operations performed

多选题Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()Acontrol fileBall datafilesCpassword fileDonline redo log fileEarchive redo log fileFserver parameter fileGonly the SYSTEM datafile