If you CROSSCHECK the backup piece that was previously marked as EXPIRED but is now available， what would the status of this backup piece be in the RMAN repository？（）

You are configuring the listener on your server. Which listener.ora parameter contains the information needed to detect session requests from different client types？（）

SQL*Loader reads a set of records from a file， generates INSERT commands， and passes them to the Oracle kernel. Oracle then finds places for those records in free blocks in the table and updates any associated indexes. Which SQL*Loader mode is used in this scenario？（）

The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation？（）

As a result of a media failure， the current online redo log group is corrupted. The database crashes， as the current online group is inaccessible. Which type of incomplete recovery are you most likely to perform？ （）

Which server stack communication layer corresponds to the client application layer in a distributed environment？（）

Which of the following dynamic view would you query to identify the online CURRENT redo log group？（）

Which of the following packages maintains information in the recovery catalog？ （）

Which of the following options would you choose to implement controlled access using remote authentication for your networks？（）

Which of the following commands must be issued to remove a stored script from the recovery catalog？（）