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You are maintaining the database of a company. The listener process， listener1， is configured for remote access. You have issued the following command：   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command？（） 
A: whether the password is set in the listener or a file or not
B: the number of client connections the service handler has refused
C: the information will be displayed whether the instance can accept connections or not
D: the protocol addresses on which the listener is configured to listen

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出自：Oracle认证

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