IBM WebSphere Interview Preparation Guide
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WebSphere Interview Questions and Answers will guide us now that IBM WebSphere Application Server (WAS). WebSphere is designed to set up, operate and integrate electronic business applications across multiple computing platforms, using Java-based Web technologies. Learn IBM WebSphere or get preparation for the job of IBM WebSphere by this WebSphere (WAS) Interview Questions with Answers guide

13 IBM WebSphere Questions and Answers:

1 :: How to choose websphere over other application servers?

Selecting application server is part of architechtural process when infrastructure is defined. It depends on several facots:

1. External systems your application will be interacting
2. Type of application you have
3. Target availability of system.
4. Corporate standards
5. Budget.
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2 :: What are deployment descriptors? How many types of Deployment descriptors are available? What are they?

Deployment descriptor is an XML file that describes how to deploy a module or application by specifying configuration and container options. For example, an EJB deployment descriptor passes information to an EJB container about how to manage and control an enterprise bean. There are two types of deployment descriptor in websphere: Web application deployment descriptor and portlet deployemnt descriptor

Portlets are packaged as WAR files with a web application deployment descriptor (web.xml). This defines each portlet as a servlet within the web application, including unique identifiers for each portlet, the portlet class, and initialization parameters.
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3 :: How many ways can you deploy applications in websphere?

1. Directly copy files to deployedapplication folder in websphere- hot deployment.
2. use websphere specific ant tasks and building automated scripts for deploying application.
3. through administration console.
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4 :: What is the difference between web server and application server?

ApplicationServer: takes care of Security, Transaction, Multithreading, Resource pooling, load balancing, clustering, performence, highly availability, scalability, etc. Exposes business logic to client applications through various protocols, possibly including HTTP. Supports deployment of .war and .ear filesApplication server = webserver + EJB container.

Webserver: handles HTTP protocol. Receives HTTP request, it responds with an HTTP response.
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5 :: How to import jaxp package in IBM WSAD?

1. open WSAD
2. go to project
3. click properties
4. select javaBuildPath
5. add any jar file like jaxp select add external jars.
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6 :: How to implement JDBC-ODBC bridge driver (Type 1) in Websphere?

If you use JDBC type (I) driver you dont need to add any driver in websphere. you simply created DSN and use it locally, same we use java class, if you use Type(2) and Type(4) so first go to admin console then go to connection, then add driver there fill other info like conn. size, uname pass, max conn. and connect it to you applications.
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7 :: Is there any difference between weblogic and websphere?

Webpshere tends to focus more on integration, connectivity and web services. it has rich implementation of J2EE, better performance, more extensive integration and transaction management. In terms of trnsaction weblogic is having default transaction attribute as ’supports’, but websphere does not have any default transaction attribute.
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8 :: What are the different application servers and Web Servers supporting J2EE technologys?

JBoss Is an Application Server that supports J2EE

IBM Websphere and BEA WebLogic servers are a combination of Application Server, Web Server & container

Jakarta Tomcat is a Servlet container and a Web server.

Apache Sever is a Web server
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9 :: What Development Environment(s) are available to develop applications for WebSphere?

IBM provides several industrial strength development environments based on Eclipse development framework the current IDE is Rational Developer for Websphere. Applications can also be developed with the Websphere Application Server Toolkit and third party tools like Jbuilder, and Eclipse/ANT etc.
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10 :: What type of files are required to deploy an application into Websphere. How can they be installed?

WAR or EAR files.

Can be installed using Administration Console or scripts.
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