（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：

实验

1. 建立一个会话A，通过该会话启动监听

2. 建立另一个会话B，通过远程方式连接到数据库实例

3. 在会话A中关闭监听

4. 会话B中的操作一切正常

ITPub博客

Oracle 11G OCP 1Z0-052 133