While querying the EMPLOYEES table， you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified.  Which RMAN command do you use to perform BMR and repair the corrupt block？（）  

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？（）

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Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client  while connecting to the database instance from a remote machine（）

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You executed the following query：  SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（）

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You executed the following query：  SELECT operation， undo_sql， table_name  FROM flashback_transaction_query;  Which statement is correct regarding the query output？（）

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You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query；  Which statement is correct regarding the query output？（） 

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You work as a database administrator for Certkiller .com. You enabled tracing while creating a listener to your database.  What additional information is available to you when you enable tracing？（）

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While deploying a new application module，the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced.  Which two statements describe the consequences？（）

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You work as a database administrator for Certkiller .com. You received the following error while working on your database： ORA-01555： snapshot too old  In which situation would you receive such an error？（）

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While creating a scheduler window using the DBMS_SCHEDULER package， a user logged in as DBMGR gets the error message insufficient privileges.  Which two commands would you use to resolve this error？（）

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