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You previously secured your listener with an encrypted password. However， you need to set a new password for security reasons. What is the correct method for setting a new encrypted password for the listener using the Listener Control utility？（）
A: executing the SET PASSWORD command and then the SAVE_CONFIG command
B: executing the CHANGE_PASSWORD command and then the SAVE_CONFIG command
C: executing the CHANGE_PASSWORD command and then the SET PASSWORD command
D: executing the SET PASSWORD command， then the CHANGE_PASSWORD command and finally， the  SAVE_CONFIG command

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出自：Oracle认证

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