Sunday, 11 March 2012

SOA 11g Admin - Interview Questions

1. Define relation between Oracle SOA Suite and Weblogic.

2. Functional differences between Fusion EM console and WLS Admin console.

3. List some key Fusion Middleware 11g products and their usage in brief.

4. Define key components/building blocks/basic architecture of Oracle SOA Suite.

5. Explain concept of domains, admin, managed server in Weblogic.

6. Difference between Weblogic Development and Production mode.

7. Explain Node Manager in Weblogic.

8. Key functionality of Nodemanager.

9. What are the different types of nodemanager?

10. What is the default port number of nodemanager?

11. Mention the path for Nodemanager home.

12. Explain some properties present in file.

13. Is Nodemanager setup mandatory in a standalone WLS installation?

14. Is nodemanager setup mandatory in a clustered WLS environment? If not what are the demerits.

15. Explain the functionalities of Node manager in a clustered WLS environment.

16. Explain the term managed Server Independence mode.

17. Can I start a managed server even if Admin server is down?

18. Can I make configurationally changes to managed server if admin server is down?

19. Explain significance of admin server in a WLS domain.

20. Why do you think Oracle recommends not deploying applications to Admin server in production environments?

21. Explain different ways of starting or stopping WLS Admin/managed server.

22. What is config.xml? Where can I find it?

23. You deployed a faulty code to Admin server which brought it down. You are not able to restart it. How would you undeploy the faulty piece of code then?

24. How do I clear cache for a WLS managed/Admin server?

25. What is meant by data source?

26. Explain how would you tune a data source and apply some best practices to it.

27. Explain difference between multicast and unicast IP.

28. Explain hardware requirement for a WLS 2 node cluster.

29. How do you configure OHS/Apache web server for a 2 node WLS cluster?

30. What is the role of mds in ofmw?

31. What are the main components of ofmw and their usage in brief?

32. Explain the procedure for installation of ofmw components in a cluster environment?

33. What is a SOA composite?

34. Path of the server related log files

35. What is synchronus and asynchronous process in BPEL

36. Basic commands in solaris like checking the CPU usage RAM consumption

37. Basic questions on database

38. List the various adapters used

39. What is SOA, Oracle SOA suite, BPEL, ESB

40. Designer for Business process

41. Difference between BPEL and ESB

42. Transactions and fault (exception) management

43. Run time components of SOA

44. Calling external web service

45. Calling asynch BPEL process within empty BPEL process

46. Combination of ESB and BPEL and third party web services

47. Java embedding

48. BPEL and OSB console

49. Adapter - concepts, integration, life-cycle mgmt., translation errors

50. Oracle E-Biz adapter and capturing event from oracle ERP

51. Fine tuning BPEL process

52. Deployment framework

53. Business rules and AIA

54. Email notification and rejection handler

55. Patches and installation - UNIX based and windows based

56. External resource management (example MQ shared library and third party jar files)

57. JMS and connection pools

58. Transformation and iteration

59. Which are the areas you think Oracle SOA fits perfectly

[Answer - EAI with real-time data transfer, need heavy data communication with rich business logic, Oracle ERP in existing environment]

60. Loose coupling and control at central point (orchestration vs. choreography)