RMI%20Interview%20Questions%20and%20Answers

Question: What is Unicast and Multicast object?

Answer: The difference between unicast and multicast is that in unicast approach the sender sends the data stream to a single receiver at a time. Thus there is one to one communication.

In a multicast the sender and the interested receivers communicate. This is one to many communication. This communication can take place between data terminals spread across various LANs too.