You are planning to use WebLogic JMS for implementing my enterprise messaging architecture. Which messaging paradigm is invalid in this context? (Choose the best answer.) 

Answer options:

A. Point to Point messaging
B. Publish Subscribe messaging
C. Datagram messaging
D. Persistent messaging

C

Incorrect Answers: A, B: JMS supports two messaging models: point-to-point (PTP) and publish/subscribe (pub/sub). D: As per the "Message Delivery Mode" section of the JMS Specification, messages can be specified as persistent or non-persistent. Reference: http://docs.oracle.com/cd/E12840_01/wls/docs103/jms/fund.html