This week's book giveaway is in the Java 9 forum. We're giving away four copies of Java 9 Modularity: Patterns and Practices for Developing Maintainable Applications and have Sander Mak & Paul Bakker on-line! See this thread for details.
Important concepts about clustering that you need to be aware off for the OBO-0300 Exam: Load Balancing: (1)Round Robin (2)Weight based (3)Random Fail Over support Communication in cluster. (1)IP multicast (2)IPSocket. How to specify MulticastTTL in config.xml vs configuring through Weblogic console Factors that affect efficiency of socket communications in a cluster.