Which type of information is included in dynamic performance views?
1 - System and session parameters
2 - Memory usage and allocation
3 - File states (including RMAN backup files)
4 - Progress of jobs and tasks
5 - SQL execution
6 - Statistics and metrics
http://docs.oracle.com/cd/E16655_01/server.121/e17633/datadict.htm#CNCPT1213 (overview of dynamic performance views)
You have two database servers EMP and EXP. A user of the database from the EXP server wants to extract some information from the database in the EMP server for cross-verification. Which schema object enables the user to access the information from the remote database?