Home » Oracle » 1z0-497 » Which two statements are true about listeners?
Which two statements are true about 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. 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.
Correct Answer: BE
Explanation/Reference:
Explanation: B:A network may contain multiple local and remote listeners.
E:Oracle Net Listener is a separate process that runs on the database server. It receives incoming client connection requests and manages the traffic of these requests to the database server.
Incorrect:
Not A:Because the configuration parameters have default values, it is possible to start and use a listener with no configuration. This default listener has a name of LISTENER, supports no services on startup, and listens on the following TCP/IP protocol address:
(ADDRESS=(PROTOCOL=tcp)(HOST=host_name)(PORT=1521))
Download Printable PDF. VALID exam to help you PASS.
|
|