Note the following functionalities of various background processes: 1. Record the
checkpoint information in data file headers. 2. Perform recovery at instance startup. 3.
Cleanup unused temporary segments. 4. Free the resources used by a user process when
it fails. 5. Dynamically register database services with listeners. 6. Monitor sessions for idle
session timeout. Which option has the correct functionalities listed for a background
process?
A.
System Monitor Process (SMON): 1, 4, 5
B.
Process Monitor Process (PMON): 4, 5, 6
C.
Database Writer Process (DBWn): 1, 3, 4
D.
Archiver Process (ARCn): 1, 2, 5
B