You want to perform the following operations for the DATA ASM disk group:<br /> <img src="https://nimg.ppkao.com/2018-08/yiyu/2018080211341517506.jpg?sign=046af0b0447f4a638e31d80ad7a34920&t=62d309ea" /><br /> Which command accomplishes these tasks?（）..

第1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?（） 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、A. You must have change tracking enabled in your database B、B. Your database must be running in NOARCHIVELOG mode C、C. To back up a tablespace, it must be in backup mode D、D. To back up a tablespace, it must first be taken offline

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第2题

[单选题] You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups.Which action should you take?（）

A、Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE B、Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE C、Use compression when performing tape backups D、Configure multiple SBT channels

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第3题

[单选题] You are tuning RMAN to optimize performance.You want tape I/O to be asynchronous when you perform tape backups. Which action should you take?（）

A、Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE B、Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE C、Use compression when performing tape backups D、Configure multiple SBT channels

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第4题

[] You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference. Which method or feature should you use?（） You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference. Which method or feature should you use?（）

A、A. Compare Period ADDM report B、B. AWR Compare Period report C、C. Active Session History (ASH) report D、D. Taking a new snapshot and comparing it with a preserved snapshot

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第5题

[单选题] Because of a logical corruption in your production database, you wanted to perform Tablespace Point in Time Recovery (TSPITR). But before you start the recovery, you queried the TS_PITR_OBJECTS_TO_BE_DROPPED view and realized that there are a large number of objects that would be dropped when you start the recovery by using this method. You want to preserve these objects. Which option must you use to perform TSPITR and preserve the object?（）

A、Perform Export before TSPITR and Import after TSPITR B、Move objects to another schema that has the same tablespace assigned C、Perform Incomplete Recovery before TSPITR with the Log Sequence Number (LSN) D、Perform Incomplete Recovery before TSPITR with the System Change Number (SCN)

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第6题

[单选题] Because of a logical corruption in your production database, you wanted to perform Tablespace Point in Time Recovery (TSPITR). But before you start the recovery, you queried the TS_PITR_OBJECTS_TO_BE_DROPPED view and realized that there are a large number of objects that would be dropped when you start the recovery by using this method.You want to preserve these objects. Which option must you use to perform TSPITR and preserve the object?（）

A、Perform Export before TSPITR and Import after TSPITR B、Move objects to another schema that has the same tablespace assigned C、Perform Incomplete Recovery before TSPITR with the Log Sequence Number (LSN) D、Perform Incomplete Recovery before TSPITR with the System Change Number (SCN)

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第7题

[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

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第8题

[单选题] You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?（）

A、Enable Memory Access Mode, which reads performance data from SGA. B、Use emergency monitoring to fetch data directly from SGA analysis. C、Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots. D、Use Active Session History (ASH) data and hang analysis in regular performance monitoring. E、Run ADDM in diagnostic mode.

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第9题

[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?（）

A、The backup as copy can only be taken to disk B、The backup as copy can only be taken to tape C、Backup can be performed only when the instance is shutdown D、Backup will constitute all used and unused blocks in the database

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第10题

[] You are configuring captive portal on your SRX Series device for guest user access.When would you use the redirect-traffic all command?（）

A、A. When you want all unauthenticated traffic to be redirected B、B. When you want all clear text traffic to be redirected. C、C. When you want all authenticated traffic to be redirected. D、D. When you want all encrypted traffic to be redirected.

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You want to perform the following operations for the DATA ASM disk group:<br /> <img src="https://nimg.ppkao.com/2018-08/yiyu/2018080211341517506.jpg?sign=046af0b0447f4a638e31d80ad7a34920&t=62d309ea" /><br /> Which command accomplishes these tasks?（）

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