单选题You work as a database administrator for Supportcenter.cn. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing？（）A Information about each Oracle Net connection.B Inform
题目
单选题
You work as a database administrator for Supportcenter.cn. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing？（）
A
Information about each Oracle Net connection.
B
Information about each entry in theLinstener.orafile
C
Information about the changed done in the database
D
Information about the different listeners in your system
E
Information about all thenondatabasefiles required to operate the database
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参考答案和解析
正确答案：
A
解析：
暂无解析