Which two statements are true about the (PMON) background process in Oracle Database 12c? (Choose two.) 

Answer options:

A. It records checkpoint information in the control file.
B. It frees unused temporary segments.
C. It kills sessions that exceed idle time.
D. It registers database services with all local and remote listeners known to the database instance.
E. It frees resources held by abnormally terminated processes.

DE

References: https://docs.oracle.com/database/122/CNCPT/process-architecture.htm#CNCPT9840