Which option has the correct functionalities listed for a background process?

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?

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



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