What command would you issue to enable automated backups of control files? （）

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• Why would you execute the report obsolete command？（）  

  A .  To list all backups that were no longer available for restore operations B .  To list all backups that had aged beyond the RMAN retention criteria C .  To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media D .  To list all datafiles that are no longer part of the database and thus do not need to be backed up E .  To list all archived redo logs that are no longer needed for any database recovery

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• You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：RMAN> REPORT NEED BACKUP days 3；What would be the output of this command？（）

  A .  a list of files that require a backup within three days B .  a list of files that have not been backed up for three days C .  a list of files that RMAN recommends be backed up only once in every three days， based on low volatility D .  a list of files for which a backup has already been performed and may need a backup after three day

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• You want to allow Router R1 to immediately become the active router if its priority is highest than  the active router fails.  What command would you use if you wanted to configure this？ （）

  A .  en standby preempt B .  standby preempt enable C .  standby preempt D .  hot standby preempt

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• our database instance is started using the server parameter file （SPFILE）. You executed a command tochange the value of the LOG_BUFFER initialization parameter：ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）

  A . The command succeeds only if Automatic Memory Management is not enabled. B . The command succeeds， but you need to restart the database for changes to take effect. C . The command returns an error because the size of the redo log buffer cannot be changed dynamically. D . The parameter value is changed and it comes into effect as soon as space becomes available in theSystem Global Area （SGA）

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• Your database is started by using the server parameter file （SPFILE）. You issued this command to change the value of the LOG_BUFFER initialization parameter：  ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH；  What would be the outcome of this command？ （）

  A . The command would return an error because LOG_BUFFER is a static parameter. B . The parameter value would be changed and it would come into effect immediately. C . You need to restart the database so that parameter changes can come into effect. D . The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.

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• What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?（）

  A . CONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA  B . CONFIGURE DEFAULT DEVICE TYPE TO TAPE  C . CONFIGURE DEFAULT DEVICE TYPE TO SBT  D . CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE

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• What would you like to drink?（）

  A . Anything wrong? B . Very good. C . Well done, please. D . Orange juice, please.

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• Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）

  A . enable cdp B . cdp enable C . cdp run D . run cd

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• You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use？（）  

  A .  alter tablespace MY_DATA begin backup B .  alter tablespace MY_DATA start backup C .  alter tablespace MY_DATA backup begin D .  alter MY_DATA begin backup E .  You cannot back up individual tablespace

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• Your database is started by using the server parameter file （SPFILE）. You issued this command to change the value of the LOG_BUFFER initialization parameter：  ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH;  What would be the outcome of this command？（）

  A . The command would return an error because LOG_BUFFER is a static parameter. B . The parameter value would be changed and it would come into effect immediately. C . You need to restart the database so that parameter changes can come into effect. D . The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.

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• Which command would you use to determine what database backups are currently available for restore?（）

  A . list database backup B . report database backup   C . list backup of database D . list summary backup E . report backup of database

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• You observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files：  $ rman target /  What would be the effect of this command？（）

  A . RMAN would use the current operating system location to place the backup. B . RMAN would use the control file of the target database to maintain the backup. C . RMAN would use the recovery catalog of the target database to maintain the backup. D . RMAN would use the control file of the target database to maintain the backup metadata.  E . RMAN would use the recovery catalog of the target database to maintain the backup metadata.

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• The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database：  RMAN> REPORT OBSOLETE;  What would you see in the output？（）

  A . a list of all the expired backups and copies B . a list of all those files that have been deleted in the last two days C . a list of all those files that have been recovered within the last two days D . a list of backups and copies that are outside the range covered by the current retention policy

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• After executing the "show host" command, which of the information below would you see?（）

  A . The IP addresses of workstations allowed gain access to the router via an access list B . Permanent name-to-address mappings created using the ip host command. C . Temporary and permanent DNS entries. D . The names of the routers created using the hostname command. E . The length of time of users logged into the router, as well as the duratio

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• You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?（）

  A . backup database plus archivelog B . backup database plus archivlog until time ‘10:00‘ C . backup database plus archivelog timeout ‘10:00‘ D . backup database plus archivelog duration 10:00

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• You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：  RMAN> REPORT NEED BACKUP days 3;  What would be the output of this command？（） 

  A . a list of files that require a backup within three days B . a list of files that have not been backed up for three days C . a list of files that RMAN recommends be backed up only once in every three days， based on low volatility D . a list of files for which a backup has already been performed and may need a backup after three day

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• In Recovery Manager （RMAN）， you set the retention policy to NONE by executing the following command：  CONFIGURE RETENTION POLICY TO NONE;  What would be the impact of this setting？（）

  A . The retention policy is cleared. B . RMAN does not consider any backup as obsolete. C . The retention policy is set to its default setting of redundancy 1. D . The retention policy is set to its default setting of recovery window 7.

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• Why would you run the delete obsolete command？（）  

  A .  To remove missing backup set pieces physically from disk B .  To remove metadata related to backup set pieces in the control file and the recovery catalog C .  To mark as deleted records in the control file and the recovery catalog associated with obsolete backup sets D .  To delete backup set pieces associated with backups that are no longer needed due to retention criteria E .  To remove old versions of RMAN backu

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• You are an administrator of a network that uses PPP for CHAP authentication over ever WAN link. What command would you enter to display the CHAP authentication as it occurs in real time?（）

  A . show ppp authentication B . debug PAP authentication C . debug PPP authentication D . show interface serial0 E . show CHAP authenticatio

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• You disabled the Flashback Database feature by using the following command：  SQL> ALTER DATABASE FLASHBACK OFF；  What would be the effect of this command on the existing flashback logs？（）

  A .  Flashback logs are not deleted. B .  Flashback logs are deleted automatically. C .  Flashback logs are deleted only if you are using Recovery Manager （RMAN） D .  Flashback logs are deleted only if you are using Oracle Manager Files （OFM） E .  Flashback logs are deleted only if you are using Automatic Storage Management （ASM）

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• Which of the commands below would you enter if you wanted to see the configuration register of your router?（）

  A . show boot B . show flash C . show register D . show version E . show config

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• Which command would you use to determine what database backups are currently available for restore？（）  

  A .  list database backup B .  report database backup C .  list backup of database D .  list summary backup E .  report backup of database

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• Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH；  What would be the outcome of this command（）

  A . The command succeeds only if Automatic Memory Management is not enabled. B . The command succeeds， but you need to restart the database for changes to take effect. C . The command returns an error because the size of the redo log buffer cannot be changed dynamically. D . The parameter value is changed and it comes into effect as soon as space becomes available in the System Global Area （SGA）.

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• What command would you use to ensure that backup records in the control file are pointing to actual physical files on the backup media？（）  

  A .  crosscheck B .  list backup C .  confirm D .  resync E .  backup validate

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