which file is this excerpt taken?

View the following file excerpt, which configures HTTP session replication:
<session – descriptor >
<persistent-store-type>replicated</persistent-store-type>
</session-descriptor>
From which file is this excerpt taken?

A.
weblogic-application.xml

B.
weblogic.xml

C.
session.xml

D.
config.xml

E.
web.xml

Explanation:
To configure file-based persistent storage for sessions:
In the deployment descriptor file weblogic.xml, set the persistent-store-type parameter in the

session-descriptor element in the weblogic.xml deployment descriptor file to file. See sessiondescriptor.
Set the directory where WebLogic Server stores the sessions.
Reference: Oracle Fusion Middleware Oracle WebLogic Server Administration Console Online
Help 11g Release 1, Using File-based Persistent storage
http://docs.oracle.com/cd/E15523_01/web.1111/e13712/sessions.htm ()