Weblogic Admin Interview Question Set # 1

1. Two managed MS1, MS2 servers is there in a cluster. how can you say that load is there on only one server? 

2. If two managed servers is there Same Domain is configured in both servers, but one server is crashed then how can you create a domain with the same configuration? 

3. Give me the real time scenario to configure weight based algorithm in a cluster? 

4. What is the name of ticketing and monitoring tool used in your company? 

5. Application is running and server is also running but the end user requests are not processed then how can you trouble shoot the problem? 

6. How to configure the node manager? 

7. How to find out which version of the operating system in stall in Server? 

8. How to configure the cluster? 

9. If you’re running the script to start the managed server how much time is tacking up the server? 

10. How can you check the server status without using admin console,monitoring tool, log file? 

11. How the session replication is going on? 

12. How can you find out the system (CPU. usage) ? 

13. How can you find out the total and java process details? 

14. How can you find out the total memory (RAM. in system? 

15. What are the activities performed in day? 

16. Tell me something about your company? 

17. What are the values tuned in web logic? 

18. What are the frequently used commands UNIX commands? 

19. How can you replace a character in a file? Means in a file I am an Indian in place of you can replace h? 

20. Differences between weblogic 8.x and 10.x? 

21. What are the differences between multicast and unicast clustering? 

22. What is the default web server port (HTTP port. number secure port number (HTTPS) ? 

23. Default node manager port number? 

24. If the application is not working how can you trouble shoot? 

25. What is thread dump? When we collect the thread dump?

How can you analyze the thread dump? What are the threads find in the thread dump? 

26. What you will do when data source will down? 

27. What are the data source states? 

28. Which protocol is used for the multicast communication? 

29. Which protocol is used for the unicast clustering? 

30. What is the Default multicast port number? 

31. If some servers in cluster are running some of them are down is it deployment is possible? 

32. If today certificates are expired what you have to do? 

33. What are the steps to perform for server migration? 

34. Is it possible two different versions of the same application deploy at the same time? 

35. How can u provide the security in LDAP Server? 

36. How can the cluster members will communicate? 

37. How can u rotate the LOGs in midnight? 

38. Is ticket is raised by u or any else? 

40. How can u work with ticketing tool? 

41. What are the difference b/w web server and proxy server? 

42. What is tuning how can u performances the tuning? 

43. Difference between horizontal clustering, vertical clustering and where both are used? 

44. What are the daily activities? 

45. If data source is configured but then after DB server is not running then what is the state of data source? 

46. How many ways to take the dumps? 

47. Scenario:I have 4GB RAM and i'm using 4 mng-servers while i'm starting the servers I have a msg OUT OF MEMORY. How can you fix it. 

48. What is the tool u r using for thread dump and tell me how to work with it? 

49. Tell me the errors u r getting in the browser like 500? How many errors are there? Explain? 

50. How will u find if the connection pool is connected with database or not? not by using the console? 

51. If client send the request the web page is appeared at morning but   when he sends the request at evening blank page is displaying so, what will u do at that time? 

52. How can u get the deployment files from another box and from where u will get? 

53. Is necessary to change the jdbc connections number frequently in production is there any chance to solve that, if we want to performance tuning on jdbc? 

54. What is the default administration port number? 

55. How can u find out how many files are opened in Unix box? 

56. If the file is opened is it possible to apply tar command? 

57. If server is tacking more amount of time to restart then how can you trouble shoot? 

58. You are deploying application using weblogic.Deployer then SSL is configured then what are the parameters you pass with the weblogic.deployer? 

59. If SSL is configured then which key is send to the client? 

60. In SSL configuration what type of key algorithms is there? 

61. How to connect to the remote machine? 

62. What is the difference between heap dump and thread dump? 

Thanks,

Babu

Differences between Weblogic Server 8.x Vs 9.x

I have published some differences,If you  more try share here .
It will useful for all 

S no	Weblogic Server 8.x	Weblogic Server 9.x
1	Supports JDK 1.4	Supports JDK 1.5
2	The directory structure Ex : like the config.xml location, cache and staging folder paths, managed or admin server paths	The directory structure more Structured way of folders rearranged
3	We have a silent  Mode of Domain creation	We don’t have this Option in Domain creation
4	We  need configure Connection pools then Data source	First need to create a Dynamic  Data Source , inside u can find a Connection pool tab
5	Here We don’t have any Lock & Edit future in console.	Here We have Lock and edit feature in console
6	Don’t  have Side by Side Deployment feature	We have this  future here
7	Where we are Redeploying application we need un-install previous version , then deploy the new version application	No need to un –install simply update option.
8	This Will not support two Phase deployment	This Will support two Phase Deployment
9	Via console we have Different Module Deployment like 1.Applications 2.EJB Modules 3.WebApplication Modules 4.Connector Module	Here No module deployment all  type of Modules In Single Screen in console
10	WLST was introduced but this will be available from 8.1 SP6	Here full Developed with MBean utility
11	Here Creation users & Roles Only way to create from console	Here we can upload those users and roles. this xml must be expressed in eXtensible Access Control Markup Language (XACML) 2.0.
12	This will not Support for SQL Server 2005	This Will support  SQL Server 2005
13	WebLogic Diagnostic Framework feature we don’t have in this version	Here we have this feature. With this feature we can do Application-scoped monitor, HttpSessionDebug, enables you to inspect an HTTP session object.
14	Not support for JMS Client-Side Store-and-Forward	Supporting Client-Side Store-and-Forward

Thanks
Babu