300+ [MOSK ASKED] Ibm Websphere Interview Questions and Answers

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1. Packages Of Websphere?

express, base, network deployment

2. Some Problem Is There In Web Server, So This Information Which Log File Contain?

http.log, plugin.log

3. What About Ihs?

IHS (IBM HTTP Server) is one of the web servers. It serves the static content only and it takes up only http requests.

4. Why Given The Httpd.conf File To Installation Of Plug-in?

Identify the web server (port, virtual hosts) to configure the web server definition.

5. Explain About Web Sphere?

The word web sphere popularly refers to IBM middleware technology products. Web sphere is known for its turn key operation in e business applications. It has run time components and tools which can help in creating applications which run on WAS. WAS refers to web sphere application server.

6. In How Many Ways You Can Perform Administration?

console,,,JMX

7. Explain About Compute Grid?

Compute grid is also known as Web sphere batch. Web sphere extended deployment offers a Java batch processing system called as Compute Grid. This forms an additional feature to Web sphere network environment. Various features are provided which help a developer to create, manage and execute batch jobs. Job scheduler, xJCL, batch container and batch programming controller.

8. What Is The Node?

A node corresponds to a physical computer system with a distinct IP host address.The node name is usually the same as the host name for the computer.

9. Default Bootstrap Port?

2809

10. How To Find Out Free Diskspace From Command Prompt?

du -sk (kb) du -sm (mb)

11. What Is Heap Memory?

Objects storage space for objects references created at run time in a jvm is heap memory.

12. Configure The Plug-in Through Admin Console Is Possible Or Not?

possible

13. How Websphere Discovers A Change In Jsp And Compiles It?

There is an algorithm that websphere uses to find the timestamp of .jsp and .class files. It checks that timestamp of .class file is always later than its corresponding .jsp file.

14. Detail About The Architecture Of Web Sphere?

Web Sphere is built on three main components they are
• Database
• J2EE application server
• A web server
The databases which it supports are
• DB2
• Oracle
• Cloudscape
Application server is IBMWAS and the supported web servers are
• IBM server
• Microsoft IIS
• Sun web server.

15. What Is The Unix Command Of All Display Server Processes?

ps –ef| grep java

16. What Is Diff B/w Type4 And Type2?

type4
@It is pure java oriented
2.require client side software
type2
1.it is not a pure java oriented driver
2.no need any client software.

 

17. What Is The Trace?

A trace is an informational record that is intended for service engineers or developers to use. As such, a trace record might be considerably more complex, verbose and detailed than a message entry.

18. Tell Me Ihs Executable Files, Me Bin Directory Files?

Apache, ApacheMonitor, htpasswd, htdigest, htdbm, ldapstash, httpd.exe

19. What Is The Difference Between Web Server And Application Server?

  1. Webserver serves pages for viewing in web browser, application server provides exposes businness logic for client applications through various protocols
  2. Webserver exclusively handles http requests.application server serves bussiness logic to application programs through any number of protocols.
  3. Webserver delegation model is fairly simple,when the request comes into the webserver,it simply passes the request to the program best able to handle it(Server side program). It may not support tractions and database connection pooling.
  4. Application server is more capable of dynamic behaviour than webserver. We can also configure application server to work as a webserver.Simply applic! ation server is a superset of webserver.

20. How To Add The Node?

addnode.sh 8879

21. Two Databases There (oracle And Db2),so I Want 3 Datasources For Oracle And 2 Data Sources For Db2 So Create 3 Datasource Names For Oracle And 2datasourcename For Db2 Is Possible Or Not?

possible

22. In Type3 Client Software Which Machine You Have Install?

server side machine

23. What Is Jdbc?

jdbc is a low level pure java api used to execute sql statements.

24. No Of Ways Of Doing Deployments?

Admin console…..jython (jacl) scripts.

25. What Is A Managed Webserver?

Remote webserver access through local (dmgr/cell).

26. Explain About Web Sphere Commerce?

IBM web sphere commerce has a single platform which offers complete ecommerce solutions to developers. It can be very productive if you are planning to do business with consumers, business and indirectly through channel partners. This can be used to perform business with consumers, business and channel partners altogether.

27. Default Admin Port?

9060, ssl 9043

28. Explain The Attribute Channel In Web Sphere Mq?

CHANNEL specifies the name of the server connection channel. Generally this is Web Sphere MQ network abstraction. The default standard used by CHANNEL is SVRCONN which is the server connection channel. This server is generally used to communicate to the queue manager by the client.

29. What About Master Repository?

deployment manager contains the MASTER configuration and application files. All updates to the configuration files should go through the deployment manager.

30. Explain About The Network Deployment Feature Present In Was?

Managing singletons will be a thing of the past and it also provides hot recovery of singletons which makes you forget about your GC collected singletons. Traction logs can stored on a shared file system. For clustering run time operations deployment manager`s role was eliminated. J2EE failover support and cell configuration support is also present.

31. Explain The Various Administrator Benefits Using Web Sphere?

Web sphere almost reduces the work of server administrator as he can manage load on servers efficiently without any hassles. It also gives him flexibility to divide the load and applications among different server farms. He can also predict about the incoming load on servers. Email alerts, restart options, memory leak detection, etc.

32. How Many Types Of Profiles Are In Nd Product?

1.deployment manager profiles 2.application server profiles 3.custom profile.

33. How To Start The Server?

startserver.sh server1.

34. What Is Webcontainer?

The web container provides a runtime environment for servlets, jsp’s, javabe, and static content.

35. State Some Of The Features Present In Web Sphere?

Some of the features which are present in web sphere are: –
• Order management
• Web sphere commerce accelerator
• Analytical and business intelligence
• Open standards such as Java, EJB, etc
• Web sphere commerce payments and customer care, etc.

36. What Is Ssl?

ssl is a protocol for providing encrypted data communications between two processes.

37. Explain About Extended Deployment?

Web sphere application server extended deployment increases the functionality of the server in two main areas they are manageability and performance. Dynamic virtualization between servers is possible with the help of XD. A stand alone distributed cache was added to it under the performance header, it is known as Object Grid.

38. What About Plug-in?

plug-in is one of the modules it is interface between application server and web server, the plug-in process receives the request from the client first. If the request is for dynamic content, the plug-in diverts the request to the websphere application server. If the request is for static content, the plug-in forwards it to the Http server.

39. What Are The Appserver Components?

admin server, web container, ejb container,j2c service, naming server, messaging engine, security server.

40. How To Configure Remote System Httpd.conf File?

select web server machine (remote).

41. How Do You Specify A Jar File To Be Used By The Application, Consider That You Have Many Jar Files In Your System?

classloader

42. Application Installed But Not Working. What Are Troubleshooting Steps?

see jvm & application are up, check plugin-cfg.xml file for the root context used by the web application if it does not exist generate plugin and restart web server.

43. Ldap Port Number?

389 or 636

44. Out Of Memory Exception Is There, How To Handle That Exception?

To increase heap memory size.

45. Applications Installed Fine, Also Generated Plugin, But Application Still Not Working, In This Case Which Log To See?

plugin.log

46. How You Get Nodeagent?what You Have To Install To Get Nodeagent?

Custom Profile.

47. What Is Jndi?

we can register resources in the application server’s java naming and directory interface (jndi) namespace. Client applications can then obtain the references to these resource objects in their programs.

48. Diff B/w Weblogic And Websphere?

Both BEA Weblogic and IBM’s WebSphere provide J2EE based application servers which are competitors. WebSphere leverages more on connectivity issues with MQ and legacy systems with strong dominance in J2EE.

49. What Is A Managed Node?

Node with NodeAgent.

50. What Is Node?

logical group of servers.