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【多选题】

When&ensp;you&ensp;try&ensp;to&ensp;start&ensp;the&ensp;Database&ensp;Control&ensp;by&ensp;using&ensp;the&ensp;emctl&ensp;start&ensp;dbconsole&ensp;command&ensp;the&ensp;following&ensp;error&ensp;is&ensp;displayed：&ensp; TZ&ensp;set&ensp;to&ensp;America/New_york&ensp; OC4J&ensp;Configuration&ensp;issue.&ensp; /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com&ensp;not&ensp;found.&ensp; Which&ensp;two&ensp;environment&ensp;variables&ensp;do&ensp;you&ensp;need&ensp;to&ensp;set&ensp;appropriately&ensp;to&ensp;avoid&ensp;such&ensp;errors&ensp;and&ensp;start&ensp;the&ensp;Database&ensp;Control&ensp;successfully？（）

A、NLS_LANG

B、ORACLE_SID

C、ORACLE_HOME

D、ORACLE_BASE

E、LD_LIBRARY_PATH

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更多“ When&ensp;you&ensp;try&ensp;to&ensp;start&ensp;the&ensp;Database&ensp;Control&ensp;by&ensp;using&ensp;the&ensp;emctl&ensp;start&ensp;dbconsole&ensp;command&ensp;the&ensp;following&ensp;error&ensp;is&ensp;displayed：&ensp; TZ&ensp;set&ensp;to&ensp;America/New_york&ensp; OC4J&ensp;Configuration&ensp;issue.&ensp; /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com&ensp;not&ensp;found.&ensp; Which&ensp;two&ensp;environment&ensp;variables&ensp;do&ensp;you&ensp;need&ensp;to&ensp;set&ensp;appropriately&ensp;to&ensp;avoid&ensp;such&ensp;errors&ensp;and&ensp;start&ensp;the&ensp;Database&ensp;Control&ensp;successfully？（）”相关的问题

第1题

[多选题] In which scenarios would you rebuild an index？（）

A、&ensp;when&ensp;you&ensp;need&ensp;to&ensp;disable&ensp;the&ensp;index&ensp;usage B、&ensp;when&ensp;you&ensp;need&ensp;to&ensp;change&ensp;storage&ensp;options C、&ensp;when&ensp;you&ensp;need&ensp;to&ensp;enable&ensp;index&ensp;monitoring D、&ensp;when&ensp;you&ensp;need&ensp;to&ensp;move&ensp;the&ensp;index&ensp;to&ensp;another&ensp;tablespace

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第2题

[单选题] In which scenario will you use the Flashback Version Query feature？（）

A、&ensp;when&ensp;you&ensp;want&ensp;to&ensp;restore&ensp;a&ensp;table&ensp;that&ensp;has&ensp;been&ensp;dropped&ensp;from&ensp;the&ensp;Recycle&ensp;Bin B、&ensp;when&ensp;you&ensp;want&ensp;to&ensp;identify&ensp;the&ensp;transaction&ensp;ID&ensp;of&ensp;the&ensp;transaction&ensp;that&ensp;deleted&ensp;some&ensp;important&ensp;records&ensp;from&ensp;a&ensp;table C、&ensp;when&ensp;you&ensp;want&ensp;to&ensp;recover&ensp;the&ensp;schema&ensp;of&ensp;a&ensp;dropped&ensp;user D、when&ensp;you&ensp;want&ensp;to&ensp;restore&ensp;a&ensp;dropped&ensp;tablespace

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第3题

[多选题] Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？（）

A、&ensp;when&ensp;you&ensp;change&ensp;the&ensp;name&ensp;of&ensp;a&ensp;datafile B、&ensp;when&ensp;you&ensp;drop&ensp;a&ensp;table&ensp;from&ensp;the&ensp;database C、&ensp;when&ensp;you&ensp;take&ensp;an&ensp;export&ensp;of&ensp;the&ensp;database D、&ensp;when&ensp;you&ensp;back&ensp;up&ensp;the&ensp;database&ensp;using&ensp;OS&ensp;utilities E、&ensp;when&ensp;you&ensp;issue&ensp;an&ensp;ALTER&ensp;SYSTEM&ensp;SWITCH&ensp;LOGFILE&ensp;statement F、&ensp;when&ensp;you&ensp;issue&ensp;a&ensp;BACKUP&ensp;command&ensp;from&ensp;inside&ensp;the&ensp;RMAN&ensp;run&ensp;block

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第4题

[多选题] Your&ensp;computer&ensp;has&ensp;a&ensp;wired&ensp;network&ensp;adapter&ensp;and&ensp;a&ensp;wireless&ensp;network&ensp;adapter.&ensp;You&ensp;use&ensp;the&ensp;wireless&ensp;network&ensp;adapter&ensp;only&ensp;when&ensp;you&ensp;are&ensp;traveling.&ensp; You&ensp;need&ensp;to&ensp;configure&ensp;the&ensp;network&ensp;adapter&ensp;profile&ensp;settings&ensp;to&ensp;ensure&ensp;that&ensp;the&ensp;computer&ensp;discovers&ensp;other&ensp;network&ensp;devices&ensp;only&ensp;when&ensp;you&ensp;are&ensp;at&ensp;home.&ensp; Which&ensp;two&ensp;actions&ensp;should&ensp;you&ensp;perform？（）

A、When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;wired&ensp;network&ensp;at&ensp;home，&ensp;set&ensp;the&ensp;wired&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Public. B、When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;wired&ensp;network&ensp;at&ensp;home，&ensp;set&ensp;the&ensp;wired&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Private. C、When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;public&ensp;wireless&ensp;access&ensp;points，&ensp;set&ensp;the&ensp;wireless&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Public. D、When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;public&ensp;wireless&ensp;access&ensp;points，&ensp;set&ensp;the&ensp;wireless&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Private.

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第5题

[单选题] In which scenario will you perform a cancel-based recovery？（）

A、&ensp;when&ensp;a&ensp;tablespace&ensp;is&ensp;dropped&ensp;and&ensp;you&ensp;have&ensp;only&ensp;RMAN-based&ensp;backup&ensp;of&ensp;the&ensp;database B、&ensp;when&ensp;a&ensp;table&ensp;is&ensp;dropped&ensp;and&ensp;stored&ensp;in&ensp;the&ensp;Recycle&ensp;Bin C、&ensp;when&ensp;you&ensp;are&ensp;required&ensp;to&ensp;recover&ensp;an&ensp;existing&ensp;table&ensp;to&ensp;its&ensp;previous&ensp;state D、&ensp;when&ensp;a&ensp;tablespace&ensp;is&ensp;dropped&ensp;and&ensp;you&ensp;have&ensp;only&ensp;a&ensp;user-managed&ensp;full&ensp;backup&ensp;of&ensp;the&ensp;database

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第6题

A、A.When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;wired&ensp;network&ensp;at&ensp;home，&ensp;set&ensp;the&ensp;wired&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Private. B、B.When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;wired&ensp;network&ensp;at&ensp;home，&ensp;set&ensp;the&ensp;wired&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Public. C、C.When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;public&ensp;wireless&ensp;access&ensp;points，&ensp;set&ensp;the&ensp;wireless&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Private. D、D.When&ensp;you&ensp;configure&ensp;access&ensp;to&ensp;the&ensp;public&ensp;wireless&ensp;access&ensp;points，&ensp;set&ensp;the&ensp;wireless&ensp;network&ensp;adapter&ensp;location&ensp;type&ensp;to&ensp;Public.

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第7题

[单选题] In which scenario do you use the Flashback Database feature？（）

A、&ensp;when&ensp;a&ensp;table&ensp;is&ensp;dropped&ensp;and&ensp;you&ensp;restore&ensp;it&ensp;from&ensp;the&ensp;Recycle&ensp;Bin B、&ensp;when&ensp;a&ensp;user’s&ensp;schema&ensp;is&ensp;dropped&ensp;and&ensp;you&ensp;recover&ensp;the&ensp;user’s&ensp;schema C、&ensp;when&ensp;some&ensp;incorrect&ensp;data&ensp;is&ensp;inserted&ensp;in&ensp;the&ensp;table&ensp;and&ensp;you&ensp;retrieve&ensp;the&ensp;table&ensp;to&ensp;a&ensp;state&ensp;that&ensp;was&ensp;at&ensp;a&ensp;certain&ensp;timestamp D、&ensp;when&ensp;a&ensp;row&ensp;of&ensp;a&ensp;table&ensp;is&ensp;updated&ensp;frequently&ensp;and&ensp;committed，&ensp;and&ensp;you&ensp;view&ensp;all&ensp;the&ensp;versions&ensp;of&ensp;the&ensp;row&ensp;within&ensp;a&ensp;specific&ensp;duration

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第8题

[单选题] In which scenario will you perform an incomplete recovery？（）

A、&ensp;when&ensp;a&ensp;table&ensp;is&ensp;dropped&ensp;and&ensp;stored&ensp;in&ensp;the&ensp;Recycle&ensp;Bin B、&ensp;when&ensp;all&ensp;the&ensp;control&ensp;files&ensp;are&ensp;deleted C、&ensp;when&ensp;a&ensp;member&ensp;of&ensp;a&ensp;multiplexed&ensp;redo&ensp;log&ensp;group&ensp;is&ensp;dropped D、&ensp;when&ensp;you&ensp;are&ensp;required&ensp;to&ensp;recover&ensp;a&ensp;table&ensp;to&ensp;its&ensp;previous&ensp;state

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第9题

[单选题] In which scenario will you use the Flashback Transaction Query feature？（）

A、&ensp;when&ensp;you&ensp;want&ensp;to&ensp;restore&ensp;an&ensp;important&ensp;table&ensp;that&ensp;is&ensp;dropped&ensp;from&ensp;the&ensp;Recycle&ensp;Bin B、&ensp;when&ensp;you&ensp;want&ensp;to&ensp;obtain&ensp;the&ensp;SQL&ensp;statements&ensp;to&ensp;undo&ensp;the&ensp;deletion&ensp;of&ensp;some&ensp;important&ensp;records&ensp;from&ensp;a&ensp;table&ensp;by&ensp;a&ensp;transaction C、when&ensp;you&ensp;want&ensp;to&ensp;restore&ensp;a&ensp;dropped&ensp;user’s&ensp;schema D、&ensp;when&ensp;a&ensp;row&ensp;of&ensp;a&ensp;table&ensp;is&ensp;updated&ensp;many&ensp;times&ensp;within&ensp;a&ensp;specific&ensp;time&ensp;period&ensp;and&ensp;you&ensp;want&ensp;all&ensp;the&ensp;versions&ensp;of&ensp;the&ensp;row&ensp;in&ensp;the&ensp;specified&ensp;time&ensp;period

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第10题

[单选题] In which scenario will you perform a user-managed incomplete recovery？（）

A、&ensp;when&ensp;a&ensp;table&ensp;is&ensp;dropped&ensp;and&ensp;stored&ensp;in&ensp;the&ensp;Recycle&ensp;Bin B、when&ensp;a&ensp;table&ensp;is&ensp;dropped&ensp;and&ensp;purged&ensp;from&ensp;the&ensp;Recycle&ensp;Bin C、&ensp;when&ensp;you&ensp;are&ensp;required&ensp;to&ensp;recover&ensp;an&ensp;existing&ensp;table&ensp;to&ensp;its&ensp;previous&ensp;state D、&ensp;when&ensp;you&ensp;are&ensp;required&ensp;to&ensp;view&ensp;all&ensp;the&ensp;versions&ensp;of&ensp;a&ensp;row&ensp;of&ensp;an&ensp;existing&ensp;table&ensp;between&ensp;a&ensp;specific&ensp;time&ensp;period

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