Why would you run the delete obsolete command？（）  

第1题：

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 cdp

第2题：

You defined the Recovery Manager （RMAN） retention policy to recovery window of 7 days by executing the following command：  RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS；  When a backup is performed， what would be the status of this backup after seven days？（）

• A、 The backup would be marked as invalid.
• B、 The backup would be marked as obsolete.
• C、 The backup would be removed from the media.
• D、 The backup would be removed from the RMAN repository.

第3题：

第4题：

Your company has an Active Directory domain. You install a new domain controller in the domain. Twenty users report that they are unable to log on to the domain. You need to register the SRV records. Which command should you run on the new domain controller（）

• A、Run the netsh interface reset command.
• B、Run the ipconfig /flushdns command.
• C、Run the dnscmd /EnlistDirectoryPartition command.
• D、Run the sc stop netlogon command followed by the sc start netlogon command.

第5题：

You have used the CROSSCHECK BACKUP command to verify that the backups recorded in the RMAN repository actually exist.  Which command should you now use to check if any of the files were missing？（）

• A、LIST EXPIRED
• B、DELETE EXPIRED
• C、DELETE OBSOLETE
• D、CHANGE UNCATALOG

第6题：

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 backups

第7题：

Consider this RMAN command：   RMAN> CONFIGURE RETENTION POLICY CLEAR；   What is the effect of this command？（）

• A、Backups will never expire.
• B、It removes any retention policy.
• C、The DELETE OBSOLETE command will fail with an error.
• D、It sets the retention policy to the default of REDUNDANCY 1.

第8题：

第9题：

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

第10题：

Your network contains a single Active Directory domain. A domain controller named DC2 fails.     You need to remove DC2 from Active Directory.     Which two actions should you perform（）

• A、At the command prompt， run dcdiag.exe /fix.
• B、At the command prompt， run netdom.exe remove dc2.
• C、From Active Directory Sites and Services， delete DC2.
• D、From Active Directory Users and Computers， delete DC2.