You decided to use Direct NFS configuration in a non-RAC Oracle installation and created the oranfstab file in /etc. Which two statements are true regarding this oranfstab file? （）..

第1题

[单选题] You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?（）

A、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING B、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE C、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE D、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING

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第2题

[单选题] You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）

A、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING; B、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>; C、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>; D、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;

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第3题

[] A Catalyst switch has just been installed and configured, and is not working as expected. You have decided to capture multiple show command outputs to study. Which one command could you use that includes the output of many other show commands, such as show version and show running-config?（） A Catalyst switch has just been installed and configured, and is not working as expected. You have decided to capture multiple show command outputs to study. Which one command could you use that includes the output of many other show commands, such as show version and show running-config?（）

A、A. show configuration B、B. show memory C、C. show stacks D、D. show tech-support

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第4题

[] On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30am. Which option must you use to check whether a flashback operation can recover the database to the specified time?（） On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30am. Which option must you use to check whether a flashback operation can recover the database to the specified time?（）

A、A. Check the alert log file B、B. Query the V$FLASHBACK_DATABASE_LOG view C、C. Query the V$RECOVERY_FILE_DEST_SIZE view D、D. Query the V$FLASHBACK_DATABASE_STAT view E、E. Check the value assigned for the UNDO_RETENTION parameter

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第5题

[单选题] You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter. How should you apply the firewall filter?（）