Oracle 11G OCP 1Z0-052 17

LuiseDalian發表於2014-06-05
(17)Note the functionalities of various background processes:

1: Perform recovery at instance startup.

2: Free the resources used by a user process when it fails.

3: Cleanup the database buffer cache when a process fails.

4: Dynamically register database services with listeners.

5: Monitor sessions for idle session timeout.

6: Cleanup unused temporary segments.

7: Record the checkpoint information in control file.

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

A.Checkpoint (CKPT): 1, 2, 5

B.System Monitor (SMON): 1, 6

C.Process Monitor (PMON): 4, 6, 7

D.Database Writer (DBWR): 1, 3, 4

答案:(B)

解析:

1->系統監控程式(SMON)

2->程式監控程式(PMON)

3->程式監控程式(PMON)

4->程式監控程式(PMON)

5->程式監控程式(PMON)

6->系統監控程式(SMON)

7->檢查點程式(CKPT)

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