Weblogic Admin Interview Questions-Part 3

Weblogic Admin Interview Questions-Part 3

1. What is domain in WLS ? how to create a domain in WLS ?

2. What is CONFIG.XML ?

3. What is cluster and how to create a cluster in WLS ? how to configure cluster in webserver / PROXY ? tell complete configuration ?

4. What kind of PROXY u are using in your project ?

5. What is SSL and how to provide security ? what is certificate ?

6. What is one way SSL and two way ssl ?

7. How to generate certificates ? where you can store certificates ?

8. What is THREAD DUMP , why thread dump is necessary in which scenario we will be taking thread dump ?

9. How do u take thread dump ?

10. What is performance tuning ? how do u tune the performance step by step procedure ? ANS : tell from OS Lever to Our Application Level

11. What is HEAP and how to increase it ?

12. What is OOM problem / memory leak , how to overcome this problem ?

13. Complete trouble shooting steps ?

14. How to provide the security in proxy ?

15. Can you create Admin Server and managed servers in a single machine ?

16. Project architecture ? which architecture you are using ? (DMZ)

17. Which JVM you used ?

18. What is HS_ERR_PID<>.log

19. What is server log ?

20. How to provide JDBC log ?

21. How view log files in linux ?

22. Recovering admin password ?

23. How to open a file in UNIX ?

24. What certificate chaining ?

25. Session stickness ?

26. What is the use of multi cast ID ?

27. What will be there in Access Log ?

28. What is the use of boot.properties file ?

29. JMS ?

30. Connection pooling and how to create connection pool ?

31. Which performance tool you are using for monitoring the performance WLS ?

32. How to verify the network performance in any OS ?

33. Application is working but the DB is not supporting what kind of exception u will get ?

34. How to deploy an application through command line ?

35. How to check CPU utilization in UNIX ?(top)

36. How to check the disk space in UNIX ? (df –k)

37. What is node manager and what is use of it ?

38. What is garbage collection ?

39. What are the variables of the HEAP SIZE ?

40. What is head and tail command ?

41. What is Certificate Signature Request ?

42. What is the default port of the node manager ?

43. How do u find the port number is used by some the other server ?

44. What are the deployment stages ?

45. tesstart command ?

46. what is the role of JNDI ?

47. what is difference static and dynamic deployment ?

48. how do u know which thread is executing and how much time it will take ?

49. How do u give the prevalization to users and groups in UNIX?

50. Url Rewriting in weblogic?

51. What is VMSTAT command in sun Solaris?

52. How do you find port numbers in Linux?

53. What is the use of netstat command?

54. Daily activities?

55. How do u monitoring the CPU Utilization?(top or sar)

Ans: # sar -u 12 5 ` Where,-u 12 5: Comparison of CPU utilization; 12 seconds apart; 5 time

57. How the sar command shows the out put?

58. Questions on SSL(Complete)?

59. Did u attend any calls with u r clients?

60. What are Handling Disaster Recovery and Failover activities?

61. What are the things you did if the database server fails?

62. From where you are getting the trail certificates?

63. How much size you for the key generation?

64. HOW we configure SSL in proxy?

65. How we view the log files?

66. Which tool you are using for building an application?

67. What is your admin level? (L2)

68. Can we create two admin servers in a single domain?

69. What are the disadvantages of connection pooling?

70. Could you explain folder structure in bea?

71. How can we verify file size in Linux?(du –sh)

72. Why connection pooling?

73. What are the difference between authentication and authorization?

74. What are the role, user and principle?

75. Why clustering in weblogic?

76. Did you prepare any documentation as solved the any problem?

77. If you don’t have any work what can you do at that time?

78. How many machines are using in your project?

79. Can you explain your project flow? How it takes requests and give response to the clients?

80. How to generate jdbc log files?

81. If config.xml file is lost at runtime what is the solution to run the application successfully?

82. Explain different deployment stages in weblogic?