Oracle 11G OCP 1Z0-052 133

（133）Your database is open and the LISTENER listener is running. The new DBA of the system stops the listener by using the command:

LSNRCTL> STOP

What happens to the sessions that are presently connected to the database instance?

A.The sessions are able to perform only queries.

B.The sessions are not affected and continue to function normally.

C.The sessions are terminated and the active transactions are rolled back.

D.The sessions are not allowed to perform any operations till the listener is started.

答案：（B）

解析：

實驗

1. 建立一個會話A，通過該會話啟動監聽

2. 建立另一個會話B，通過遠端方式連線到資料庫例項

3. 在會話A中關閉監聽

4. 會話B中的操作一切正常

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