Weblogic Interview Questions and Answers
Ques 11. Explain the difference between WebLogic Server and Apache Tomcat.
WebLogic Server is a full-fledged Java EE application server, while Apache Tomcat is a servlet container and web server that supports the servlet and JSP specifications.
Example:
WebLogic is suitable for enterprise-level applications with advanced features, whereas Tomcat is lightweight and commonly used for simpler applications.
Ques 12. What is the purpose of the WebLogic Domain?
A WebLogic Domain is a logical group of WebLogic Server instances that share the same configuration information. It defines the management, security, and infrastructure settings for a set of servers.
Example:
You may create a domain for a specific application, grouping servers that work together for that application.
Ques 13. Explain the difference between a Managed Server and an Admin Server in WebLogic.
The Admin Server is the central point for configuring and managing a WebLogic Domain, while Managed Servers host the deployed applications and are responsible for running them.
Example:
You might have one Admin Server and multiple Managed Servers in a domain to distribute the workload.
Ques 14. What is clustering in WebLogic Server?
Clustering in WebLogic involves grouping multiple servers together to act as a single logical server, providing high availability and scalability for applications.
Example:
You can configure a cluster to distribute incoming requests among the servers, ensuring better performance and fault tolerance.
Ques 15. Explain the purpose of the WebLogic JMS (Java Message Service).
WebLogic JMS is a messaging service that enables Java applications to communicate asynchronously by sending and receiving messages.
Example:
Developers use JMS to implement loosely coupled, reliable, and scalable communication between different components of an application.
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