單項(xiàng)選擇題

View the Exhibit and identify the component marked with a question mark. （）

A.Checkpoint （CKPT）
B.Process Monitor （PMON）
C.Archiver Processes （ARCn）
D.Recoverer Process （RECO）
E.Memory Manager process （MMAN）

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單項(xiàng)選擇題

Note the functionalities of various background processes：
1：Perform recovery at instance startup. SMON
2：Free the resources used by a user process when it fails. PMON
3：Cleanup the database buffer cache when a process fails. PMON
4：Dynamically register database services with listeners. PMON
5：Monitor sessions for idle session timeout. PMON
6：Cleanup unused temporary segments. SMON
7：Record the checkpoint information in control file. CKPT
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

單項(xiàng)選擇題

Note the following functionalities of various background processes：
1：Record the checkpoint information in data file headers. CKPT
2：Perform recovery at instance startup. SMON
3：Cleanup unused temporary segments. SMON
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.Archiver Process （ARCn）：1， 2，5
B.System Monitor Process （SMON）：1，4，5
C.Process Monitor Process （PMON）：4，5，6
D.Database Writer Process （DBWn）：1，3，4

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