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多項選擇題

You work as a database administrator for Certkiller .com. You are working on Oracle Database 10g. To forward client connections to an instance， the listener must know information such as the name of the instance and where the instance’s ORACLE_HOME is located. How does the listener get this information？（）

A.It gets it from the parameter file.
B.The listener prompts for details on startup.
C.The listener gathers information from the control file.
D.The instance automatically registers with the default listener.
E.The listener gets this information through thelistener.orafile.

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