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[多选题] A user receives the following error while executing a query： ORA/x7f01555：snapshot too old Which two options can be the solutions to avoid such errors in future？（）

[单选题] Given：

Which statement is true？（）

[单选题] Which backup option defines a user-defined name for a backup? （）

[单选题] What does it mean if a backup is expired？（）

[单选题] You have implemented OMF for redo log management. Which of the following choices reflects a log filename that might be employed when OMF is enabled?（）

[多选题] How can an Oracle WebLogic cluster’s capacity be increased ？（）

[单选题] What is the new Oracle Shared Server?（）

[单选题] You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（）

[单选题] You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?（）

[单选题] You are working on a very large database. You had performed a binary backup of the control file a month ago. After this you added a few tablespaces， and dropped a couple of tablespaces. This morning， due to hardware failure， you lost all your control files. How would you recover the database from this situation？（）

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