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JMS Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExpert

Ques 1. What is JMS?

Ques 2. What type messaging is provided by JMS?

Ques 3. How may messaging models do JMS provide for and what are they?

Ques 4. What is the point-to-point model in JMS?

Ques 5. What is the publish-and-subscribe model in JMS?

Ques 6. What is JMS administered object?

Ques 7. What is publish/subscribe messaging?

Ques 8. What is the main parts of JMS applications?

Ques 9. What Is Messaging?

Ques 10. What is the Role of the JMS Provider?

Ques 11. What is the diffrence between Java Mail and JMS Queue?

Ques 12. Does JMS specification define transactions?

Ques 13. What is synchronous messaging?

Ques 14. What is asynchronous messaging?

Ques 15. How does a typical client perform the communication?

Ques 16. What is JMS session?

Ques 17. What is the use of JMS? In which situations we are using JMS? Can we send message from one server to another server using JMS?

Ques 18. What is the difference between durable and non-durable subscriptions?

Ques 19. What is the difference between Message producer and Message consumer?

Ques 20. What is JMS application?

Ques 21. What type messaging is provided by JMS?

Ques 22. How JMS is different from RPC?

Ques 23. What Is the JMS API?

Ques 24. What is JMS client?

Ques 25. Give an example of using the point-to-point model.

Ques 26. What is Producer and Consumer?

Ques 27. How many messaging models do JMS provide for and what are they?

Ques 28. Can JMS utilities automatically re-establish a connection if one side of the communication link (i.e. an application that's sending/receiving messages) goes down and is restarted? Are there APIs to help detect that the other side broke a connection (went down)?

Ques 29. What is the Role of the JMS Provider?

Ques 30. What is Byte Message?

Ques 31. What is the difference between Byte Message and Stream Message?

Ques 32. Are you aware of any major JMS products available in the market?

Ques 33. What are the different types of messages available in the JMS API?

Ques 34. How Does the JMS API Work with the J2EE Platform?

Ques 35. What is the role of JMS in enterprise solution development?

Ques 36. What is the use of BytesMessage?

Ques 37. What is the use of StreamMessage?

Ques 38. What is JMS (Java Messaging Service)?

Ques 39. What is the use of TextMessage?

Ques 40. How the JMS is different from RPC?

Ques 41. Why do the TopicSession.createDurableSubscriber and TopicSession.unubscribe calls raise JMSException with the message "ORA - 4020 - deadlock detected while trying to lock object"?

Ques 42. What are the basic advantages of JMS?

Ques 43. Why doesn't AQ_ADMINISTRATOR_ROLE or AQ_USER_ROLE always work for AQ applications using Java/JMS API?

Ques 44. What are the different types of messages available in the JMS API?

Ques 45. What is the use of ObjectMessage?

Ques 46. What are the different messaging paradigms JMS supports?

Ques 47. What are the three components of a Message?

Ques 48. What is the difference between topic and queue?

Ques 49. What are the types of messaging?

Ques 50. What is the use of Message object?

Ques 51. What is the difference between Point to Point and Publish/Subscribe?

Ques 52. What is the basic difference between Publish Subscribe model and P2P model?

Ques 53. Why doesn’t the JMS API provide end-to-end synchronous message delivery and notification of delivery?

Ques 54. What is the use of TextMessage?

Ques 55. What are the core JMS-related objects required for each JMS-enabled application?

Ques 56. What is the use of MapMessage?

Ques 57. How does the Application server handle the JMS Connection?

Ques 58. What is JMS provider?

Ques 59. Wat is JMS client?

Ques 60. What is JMS producer?

Ques 61. What is JMS consumer?

Ques 62. What is JMS message?

Ques 63. What is JMS queue?

Ques 64. What is JMS topic?

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