单选题If there is a conflict in policy for data retention， which of the following should the technician adhere to FIRST？（）A Industry best practicesB Company policyC International standardsD Local legal requirements

第1题：

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.

第2题：

An administrator is implementing a new data retention program for the company. Which of the following is the MOST important consideration as the new program is created？ （）

• A、 Awareness of company policy requirements
• B、 Differentiating between archiving and backup processes
• C、 Awareness of potential legal requirements
• D、 Ensuring that the backups for the retention program cover key business areas

第3题：

第4题：

Which statement is true about the UNDO_RETENTION parameter when retention guarantee is notenabled（）

• A、It is the time period after which the undo data becomes obsolete.
• B、It is the time period after which the committed undo data would be transferred to a temporarytablespace.
• C、It is the minimum time period up to which the committed undo data would be retained if free undo spaceis available.
• D、It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.

第5题：

You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup？（）

• A、 The backup contains data files， the server parameter file，and the control file even if the control file  autobackup is disabled.
• B、 The KEEP option overrides the configured retention policy.
• C、 The backup contains only data files and archived redo log files.
• D、 The KEEP option is an attribute of an individual backup piece.

第6题：

You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）

• A、The data file backup is done with multiple channels
• B、The data files is in the read-write mode after being backed up in the read only mode
• C、The backup was taken after the data files was taken offline-normal or is in the read only mode
• D、The data file backup complies with the back retention policy and the backup duplexing feature

第7题：

What does the output on this report indicate？（）   RMAN> report need backup；  RMAN retention policy will be applied to the command  RMAN retention policy is set to redundancy 1  Report of files with less than 1 redundant backups  File #bkps Name  5 0 C:///ORACLE/ORADATA/ORCL/MY_DATA_01.DBF  

• A、 The my_data_01.dbf datafile is corrupted and needs to be restored.
• B、 The my_data_01.dbf datafile has not yet been backed up. This report does not imply that the data in the datafile can not be recovered.
• C、 The my_data_01.dbf datafile has not yet been backed up. This report implies that the data in the datafile can not be recovered.
• D、 The my_data_01.dbf datafile no longer meets the retention criteria for backups.
• E、 Datafile 5 is missing.

第8题：

Which of the following is the MOST important consideration when implementing a data retentio program？（）

• A、 The data destruction requirements
• B、 The user awareness training program
• C、 The laws and legal requirements of the data
• D、 The companys individual data retention policies

第9题：

Examine the following RMAN command：   BACKUP DATABASE TAG TESTDB  KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06；   Which two statements are true regarding the backup taken by using the above RMAN command？（）  

• A、 Only data files and the control file are backed up.
• B、 Archived redo logs are backed up only if the database is open during the backup.
• C、 The backup is deleted after one day，regardless of the default retention policy settings. 
• D、 The backup becomes obsolete after one day，regardless of the default retention policy settings.

第10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.