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You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()

  • A、The instance would hang.
  • B、The instance needs to be shut down.
  • C、The instance would be in the open state.
  • D、The instance would abort in such cases.
  • E、The instance would be in the open and invalid state.
  • F、The instance would in the open state, but all the background processes will be restarted.

参考答案

更多 “You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A、The instance would hang.B、The instance needs to be shut down.C、The instance would be in the open state.D、The instance would abort in such cases.E、The instance would be in the open and invalid state.F、The instance would in the open state, but all the background processes will be restarted.” 相关考题
考题 Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you.  Which two statements are true in this scenario?()A、The instance aborts.B、The database cannot be recovered.C、The database can be recovered by restoring the control files from the backup.D、The database remains opened and you have to shut it down with the ABORT option.E、The database can be restored till the point of the last closed whole database backup.

考题 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.

考题 You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario()A、You must shut down the database instance to perform the backups.B、You must configure the Flash Recovery Area (FRA) for the database.C、You can perform complete database backups without closing the database.D、All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.

考题 You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database, you performed a backup of the control file to trace. After this, you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database?()A、Start the instance and open the database, instance recovery automatically recoverscontrol filesB、Create a file based on the contents of the trace file and save it to the control file locations and start the databaseC、Re-create the database (The recovery of the control file is not possible because you have lost all the control files.)D、Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file.E、Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.

考题 Due to media failure you lost one of the data files belonging to the USERS tablespace, and the tablespace is not available to use. Which statement regarding the status of the database is true?()A、The database remains open.B、The database gets dismounted.C、The database becomes read only.D、The database instance gets aborted.E、The database gets shut down automatically.F、The status of the database depends on the status of the USERS tablespace.

考题 You have an Automatic Storage Management (ASM) instance managing the database files of your production database. The database contains ASM files and non-ASM files. Using Recovery Manager (RMAN), you migrate the complete production database to use the ASM instance. Which statement is true? ()A、 RMAN would relocate all the data files to an ASM disk group and other files to an operating system location, defined using Oracle Managed Files (OMF).B、 RMAN would relocate the ASM files to an ASM disk group and the non-ASM files to an operating system location, defined using OMFC、 RMAN would relocate all the database files to an ASM disk group.D、 RMAN would change the file definitions in the control file to use the ASM but would not relocate the database files physically.

考题 You work as a database administrator for Supportcenter.cn. Your database is opened inNOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this?()A、Execute the ALTER DATABASE ARCHIVELOG statementB、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 Supportcenter.cn. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task?()A、Shut down the instance, copy the control file to the third location and open the database.B、Abort the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.C、Copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile, restart the instance and open the database.D、Shut down the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.E、Shut down the instance, startup in the mount state, copy the control file to the third location, modify the CONTROL_FILES parameter ininit.oraand open the database.

考题 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?()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

考题 You work as a database administrator for Certkiller .com. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A、The instance would hang.B、The instance needs to be shut down.C、The instance would be in the open state.D、The instance would abort in such cases.E、The instance would be in the open and invalid state.F、The instance would in the open state, but all the background processes will be restarted.

考题 You work as a database administrator for Certkiller .com. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?()A、The backup is similar to image copy.B、The backup contains all used data blocks.C、The backup contains only unused data blocks.D、The backup contains all data blocks changed since the last incremental level 1 backup.

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 added atablespaceto your database. Because of the changes to the physical structure of your database, you performed a backup of the control file to trace. After this, you lost only the control files and the instance aborted due to a hardware failure.  How would you proceed to recover the database?()A、Start the instance and open the database, instance recovery automatically recovers control files B、Create a file based on the contents of the trace file and save it to the control file locations and start the database C、Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) D、Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. E、Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.

考题 You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file?()A、Restore all the data files and open the databaseB、Create the data file and perform tablespace recoveryC、No need to restore any file, just recover the databaseD、Restore only the system data file and recover the databaseE、Restore only lost date file and performtablespacerecovery

考题 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?()A、All control files are openedB、All redo files are openedC、The password file is openedD、The parameter file is openedE、All online data files are opened

考题 You work as a database administrator for Certkiller .com. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task?()A、Shut down the instance, copy the control file to the third location and open the database.B、Abort the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.C、Copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile, restart the instance and open the database.D、Shut down the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.E、Shut down the instance, startup in the mount state, copy the control file to the third location, modify the CONTROL_FILES parameter ininit.oraand open the database.

考题 You work as a database administrator for Supportcenter.cn. In your production database, the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database, you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task?()A、You must have started the database instance in restricted mode.B、You must have started the database instance inNORMALmode.C、You must have started the database instance with server parameter file.D、You must have started the database instance but must not have mounted.E、You must have started the database instance but must not have opened.

考题 单选题You work as a database administrator for Supportcenter.cn. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task?()A Shut down the instance, copy the control file to the third location and open the database.B Abort the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.C Copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile, restart the instance and open the database.D Shut down the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.E Shut down the instance, startup in the mount state, copy the control file to the third location, modify the CONTROL_FILES parameter ininit.oraand open the database.

考题 单选题You work as a database administrator for Certkiller .com. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task?()A Shut down the instance, copy the control file to the third location and open the database.B Abort the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.C Copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile, restart the instance and open the database.D Shut down the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.E Shut down the instance, startup in the mount state, copy the control file to the third location, modify the CONTROL_FILES parameter ininit.oraand open the database.

考题 单选题You work as a database administrator for Supportcenter.cn. On a Monday morning, you find the database instance aborted. After inspecting the alert log file, you execute the STARTUP command in SQL*Plus to bring the instance up. What statement is true?()A PMON coordinates media recovery.B SMON coordinates instance recovery.C PMON coordinates instance recovery.D Undo Advisor would roll back all uncommitted transactions.E SQL*PLUS reports an error with the message asking you to perform instance recovery.

考题 单选题You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A The instance would hang.B The instance needs to be shut down.C The instance would be in the open state.D The instance would abort in such cases.E The instance would be in the open and invalid state.F The instance would in the open state, but all the background processes will be restarted.

考题 单选题You work as a database administrator for Certkiller .com. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A The instance would hang.B The instance needs to be shut down.C The instance would be in the open state.D The instance would abort in such cases.E The instance would be in the open and invalid state.F The instance would in the open state, but all the background processes will be restarted.

考题 单选题Due to media failure you lost one of the data files belonging to the USERS tablespace, and the tablespace is not available to use. Which statement regarding the status of the database is true?()A The database remains open.B The database gets dismounted.C The database becomes read only.D The database instance gets aborted.E The database gets shut down automatically.F The status of the database depends on the status of the USERS tablespace.

考题 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?()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

考题 多选题Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario?()AThe instance aborts.BThe database cannot be recovered.CThe database can be recovered by restoring the control files from the backup.DThe database remains opened and you have to shut it down with the ABORT option.EThe database can be restored till the point of the last closed whole database backup.

考题 单选题You work as a database administrator for Certkiller .com. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?()A The backup is similar to image copy.B The backup contains all used data blocks.C The backup contains only unused data blocks.D The backup contains all data blocks changed since the last incremental level 1 backup.

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