Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.) 

Answer options:

A. Tablespace free space can be viewed in V$TABLESPACE
B. V$TABLESPACE displays information that is contained in the controlfile about tablespaces
C. V$TABLESPACE displays information about tablespaces contained in the data dictionary
D. Tablespace free space can be viewed in DBA_TABLESPACES
E. A datafile can be renamed when the database is in MOUNT state and the new file name is displayed when querying DBA_DATA_FILES after the database is opened

BE