单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）AYou must have change tracking enabled in your databaseBYour database must be running in NOARCHIVELOG modeCTo back up a tablespace, it must be in backup modeDTo back up a tablespace, it must first be taken offline
单选题
You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）
A
You must have change tracking enabled in your database
B
Your database must be running in NOARCHIVELOG mode
C
To back up a tablespace, it must be in backup mode
D
To back up a tablespace, it must first be taken offline
参考解析
解析：
暂无解析
相关考题：
You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.Which type of backup should you perform?（）A. standard backup setB. image copyC. compressed backupD. user-managed backup
You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true？（）A、 You must have change tracking enabled in your databaseB、 Your database must be running in NOARCHIVELOG modeC、 To back up a tablespace，it must be in backup modeD、 To back up a tablespace，it must first be taken offline
You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）A、You must have change tracking enabled in your databaseB、Your database must be running in NOARCHIVELOG modeC、To back up a tablespace, it must be in backup modeD、To back up a tablespace, it must first be taken offline
You are using a recovery catalog to maintain Recovery Manager （RMAN） backup information for your production database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and you want them to be included in backups. Identify two options for completing this task.（）A、 Reregistering the target database in recovery catalogB、 Transporting the new tablespaces to the recovery catalog databaseC、 Syncronizing the recovery catalog with the target database control fileD、 Performing a fresh backup of the target database to include the new data files in the catalog database
Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement： ALTER TABLESPACE data1 BEGIN BACKUP； While you are performing the backup， an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true？（） A、 The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.B、 If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.C、 If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.D、 If you restart the database，the database will not be opened.
Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）A、 Backup of offline tablespaces.B、 Backup of read-only tablespaces.C、 Backup of system-critical tablespaces.D、 Backup of online， locally managed tablespaces.E、 Backup of read/write dictionary-managed tablespaces.
Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）A、backup of offline tablespacesB、backup of readonly tablespacesC、backup of systemcritical tablespacesD、backup of online， locally managed tablespacesE、backup of read/write dictionarymanaged tablespaces
You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation？（）A、 The backup as copy can only be taken to diskB、 The backup as copy can only be taken to tapeC、 Backup can be performed only when the instance is shutdownD、 Backup will constitute all used and unused blocks in the database
You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）A、You can perform consistent backups only.B、You can perform a complete database backup without shutting down the database instance.C、You can back up data files only when all data files have the same SCN recorded in the control file.D、You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.
You are managing a 24*7 database. The backup strategy for the database is to perform user-managed backups. Identify two prerequisites to perform the backups.（）A、The database must be opened in restricted mode.B、The database must be configured to run in ARCHIVELOG mode.C、The tablespaces are required to be in backup mode before taking the backup.D、The tablespaces are required to be in read-only mode before taking the backup
You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）A、 redo log filesB、 password fileC、 control fileD、 change tracking file
You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform?（）A、standard backup setB、image copyC、compressed backupD、user-managed backup
You want to perform a backup of your database to tape. Which backup format can you use？（）A、backup set onlyB、image copy onlyC、only user-managed backupD、both image copy and backup setE、only incremental image copy backup
多选题You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）AYou can perform consistent backups only.BYou can perform a complete database backup without shutting down the database instance.CYou can back up data files only when all data files have the same SCN recorded in the control file.DYou can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands
单选题Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement: ALTER TABLESPACE data1 BEGIN BACKUP; While you are performing the backup, an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true?（）AThe DATA1 tablespace is automatically taken out of backup mode when the instance aborts.BIf you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.CIf you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.DIf you restart the database, the database will not be opened.
单选题Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement： ALTER TABLESPACE data1 BEGIN BACKUP； While you are performing the backup， an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true？（）A The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.B If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.C If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.D If you restart the database，the database will not be opened.
单选题You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform?（）Astandard backup setBimage copyCcompressed backupDuser-managed backup
多选题Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）Abackup of offline tablespacesBbackup of readonly tablespacesCbackup of systemcritical tablespacesDbackup of online， locally managed tablespacesEbackup of read/write dictionarymanaged tablespaces
多选题Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）ABackup of offline tablespaces.BBackup of read-only tablespaces.CBackup of system-critical tablespaces.DBackup of online， locally managed tablespaces.EBackup of read/write dictionary-managed tablespaces.
单选题You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform？（）A standard backup setB image copyC compressed backupD user-managed backup
单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true？（）A You must have change tracking enabled in your databaseB Your database must be running in NOARCHIVELOG modeC To back up a tablespace，it must be in backup modeD To back up a tablespace，it must first be taken offline
多选题You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation？（）AThe backup as copy can only be taken to diskBThe backup as copy can only be taken to tapeCBackup can be performed only when the instance is shutdownDBackup will constitute all used and unused blocks in the database
单选题You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）A redo log filesB password fileC control fileD change tracking file
多选题You are managing a 24*7 database. The backup strategy for the database is to perform user-managed backups. Identify two prerequisites to perform the backups.（）AThe database must be opened in restricted mode.BThe database must be configured to run in ARCHIVELOG mode.CThe tablespaces are required to be in backup mode before taking the backup.DThe tablespaces are required to be in read-only mode before taking the backup
单选题You want to perform a backup of your database to tape. Which backup format can you use？（）Abackup set onlyBimage copy onlyConly user-managed backupDboth image copy and backup setEonly incremental image copy backup
多选题You are using a recovery catalog to maintain Recovery Manager （RMAN） backup information for your production database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and you want them to be included in backups. Identify two options for completing this task.（）AReregistering the target database in recovery catalogBTransporting the new tablespaces to the recovery catalog databaseCSyncronizing the recovery catalog with the target database control fileDPerforming a fresh backup of the target database to include the new data files in the catalog database
单选题You are maintaining your database in ARCHIVELOG mode. An important table， SCOTT.EMPLOYEE， is dropped and purged from the Recycle Bin on Monday at 2：00 P.M. You do not use RMAN to perform backups. You performed the last full user-managed backup at 9：00 P.M. on Sunday. How will you recover the dropped table， SCOTT.EMPLOYEE？（）A by using the Flashback Table featureB by using the Flashback Database featureC by performing incomplete recovery using RMAN utilityD by performing incomplete recovery using user-managed recovery