Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（） A: lock the listener B: hide the listener C: create multiple listeners D: run listener on a remote client E: set a password for the listener F: store listener.ora in a non-default locatio

Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（） A: lock the listener B: hide the listener C: create multiple listeners D: run listener on a remote client E: set a password for the listener F: store listener.ora in a non-default location

To sum up, how can the product presenter create an information gap between the customer and the product? A: Try to provide limited information about the product for the listener. B: Find out what kind of demand for the product can be used as a hook. C: Demonstrate how the product can benefit the listener with evidences. D: Ensure the listener will get not only the product but good service.

Which  statements are true regarding listeners（） A: Listeners use only the TCP/IP protocol. B: Multiple listener processes can run simultaneously on a host. C: Multiple database instances can be registered with a single listener. D: The listener-related errors can be traced only at the administrative level. E: Only one database instance can be registered with a single listener at any time

Which statements are true regarding listeners（） A: AListeners use only the TCP/IP protocol. B: BMultiple listener processes can run simultaneously on a host. C: CMultiple database instances can be registered with a single listener. D: DThe listener-related errors can be traced only at the administrative level. E: EOnly one database instance can be registered with a single listener at any time

______ loves a good listener.

All she wanted was an interester listener.

( ) loves a good listener. A: Everyone B: No one

You issue these LSNRCTL commands：  LSNRCTL> SET CURRENT_LISTENER listener01 LSNRCTL> START listener02  What is the result of issuing these commands？（） A: A listener named LISTENER is started. B: A listener named LISTENER01 is started. C: A listener named LISTENER02 is started. D: The START command fails and no listener is started.

通常我们使用( )方法来为一个部件注册事件监听器。 A: add×××Listener B: ×××Listener C: Listener××× D: ×××Listeneradd