Interview Questions.

Q1. What Happens If My Dmgr Is Not Running?

DMGR is the single factor of failure in WebSphere community deployment version. Even if DMGR is down, rest of the server will contine to run and serve the programs. However, anychanges you make in this case aren't saved to master configuration repository.

Q2. What Is Websphere?

WebSphere refers to a logo for IBM software program merchandise. It is designed for putting in place, operation and integration of electronic commercial enterprise applications. These applications should perform properly on cross platform environment. These set of software program are java primarily based web technology.

Q3. What Is A Profile In Websphere Application Server?

When you install WebSphere utility server, executable documents and configurations documents are seperated. This lets in you install the product once and create a couple of units of configurations which uses the equal underlying core executables of the websphere application server installation. These are the profiles in websphere application server. As you understand, there are many sorts of profiles and you can create a couple of profiles.

Q4. What Is A Connecting Pool ?

A connection pool is a cache of database connections maintained so that the connections can be reused while destiny requests to the database are required. Connection swimming pools are used to enhance the performance of executing commands on a database. In connection pooling, after a connection is created, it is positioned within the pool and it's far used once more so that a new connection does not need to be hooked up. If all the connections are getting used, a new connection is made and is delivered to the pool. Connection pooling additionally cuts down on the amount of time a user ought to wait to establish a connection to the database.

Q5. I Installed A New Application, What Do I Need To Do Before I Can Access It From The Web Server Url?

When you put in a brand new utility or replace an application, your internet server want to be aware about the modifications. Which me you want to update the web server plug-in configuration record. So after a a hit installation of an utility with mapping to net server, you want to regenerate the plug-in configuration file and propagate it to net server.

Q6. Do I Need A Web Server If I Have A Websphere Application Server?

Web Server and WebSphere application server provide two exceptional functionalities. WebSphere application server do has an inbuilt net server functionality but it's far endorsed to use a separate internet server for many reasons.

Some of them are:

By seperating net and alertness server sports, your utility serving environment is greater comfy.

Using the webserver you could loadbalance the requests between a couple of application servers.

Q7. What Development Environment(s) Are Available To Develop Applications For Websphere?

IBM gives several commercial power development environments based totally on Eclipse improvement framework the contemporary IDE is Rational Developer for Websphere. Applications can also be advanced with the Websphere Application Server Toolkit and 0.33 birthday celebration gear like Jbuilder, and Eclipse/ANT and so on. 

Q8. How Do I Connect My Application To Talk To A Database?

To reap this , you want to create a JDBC provider and datasource. The JDBC company object encapsulates the unique JDBC motive force implementation class for access to the particular dealer database of your environment. The information source object materials your application with connections for gaining access to the database. The great way to study extra approximately this assignment is, login to administration console –>guided activities –> connecting to a database.

Q9. What Are The Different Application Servers And Web Servers Supporting J2ee Technologies?

JBoss Is an Application Server that supports J2EE

IBM Websphere and BEA WebLogic servers are a aggregate of Application Server, Web Server & field

Jakarta Tomcat is a Servlet field and a Web server.

Apache Sever is a Web server 

Q10. What Is Sync In Websphere Application Server?

WebSphere utility server shops all the configuration information in a single central location is aware of as ‘Master repository’. And each node/server may have the nearby configuration repository. The sycn system ensure that the configuration in both neighborhood and grasp repositories are equal and in-sync. The sync is a one dimentional manner me, it's going to sync the configurations simplest from Master repository ==> nearby repository.

Q11. What Does Node Agent Do In Websphere Application Server?

We could have one node agnet in line with one node. The node agent acts as an mediator among the Deployment manager and the node.

Q12. What Is The Difference Between Web Server And Application Server?

ApplicationServer: looks after Security, Traction, Multithreading, Resource pooling, load balancing, clustering, performence, notably availability, scalability, etc. Exposes enterprise logic to client packages via various protocols, likely together with HTTP. Supports deployment of .Warfare and .Ear filesApplication server = webserver + EJB field.

Webserver: handles HTTP protocol. Receives HTTP request, it responds with an HTTP reaction. 

Q13. Explain The Attribute Channel In Websphere Mq.?

A channel is a connection that is to establish a hyperlink between sending channel and receiving channel. A channel has a sender channel at the neighborhood queue supervisor and receiver channel at the faraway queue supervisor. These  channels consist of equal name, and together make one channel.

The CHANNEL attribute is used with WebSphere MQ packages to specify the channels for receiving and sending messages in a record that defines sender and receiver channels.

Q14. What Is Extended Deployment In Web Sphere?

WebSphere Extended Deployment is a new product for IBM WebSphere software. WED extends the WebSphere software platform. The new functions / notions encompass dynamic operations, high overall performance computing and extended management.

Q15. How Do Edit/modify The Property/configuration Files?

It is recommended to modify all of the configurations the use of the administration console. When you need to make any configuration adjustments, you want do the practice modifications and sync them. Any changes you do at local repository level are discarded upon the next restart of that server due to the fact the sync is continually from DMGR to local repository and adjustments aren't stored to master repository. For instance, in case you edit a configuration file of server1 and restart it. The adjustments are misplaced. When the server begins it syncs the configuration from master repository.

Q16. How Many Ways Can You Deploy Applications In Websphere?

@Directly copy files to deployedapplication folder in websphere- hot deployment.

@use websphere unique ant tasks and building automatic scripts for deploying software.

@thru management console. 

Q17. What Is Virtual Host In Websphere Application Server?

Virtual host is a configuration no longer a physical one. A configuration that lets a single machine resemble a couple of host machines. Each virtual host has a logical call and a listing of one or extra DNS host aliases by means of which it is known. By deafult, we wull have a default_house and admin_host digital hosts defined in websphere utility server.

Q18. How To Import Jaxp Package In Ibm Wsad?

@open WSAD

@go to challenge

@click properties

@choose javaBuildPath

@add any jar report like jaxp select add outside jars. 

Q19. How To Implement Jdbc-odbc Bridge Driver (kind 1) In Websphere?

If you operate JDBC kind (I) motive force you dont want to feature any driver in websphere. You in reality created DSN and use it domestically, same we use java class, if you use Type(2) and Type(four) so first visit admin console then visit connection, then add driving force there fill other information like conn. Length, uname bypass, max conn. And connect it to you applications. 

Q20. Explain The Architecture Of Web Sphere.?

WebSphere structure consists of one or more laptop systems which can be known as nodes. Nodes are available within WebSphere cell. A WebSphere cellular may have one node. On this node all the wanted softwares hooked up. If a WebSphere cell contains multiple node, then all the software additives are disbursed some of the nodes. The software program components which might be mounted in one node can percentage in the allotted environment. This distribution enables for scalability, reliability.

The following are the additives:

A web server which gives the services of HTTP

A database server for information persistence

WebSphere Application Server (WAS)

Q21. What Is Websphere Plug-in For Web Server And Where Do I Need To Install The Plug-in?

It is common training to have net and app servers on different machines. WebSphere gives a plug-wherein permits net server to talk to utility server, this is referred to as internet server plug-in. Web server plug-in can have a configuration document named plugin-config.Xml that allows you to have referenes to all of the servers, clusters, applications, digital hosts of the websphere application server. You can generate this configuration report from management console, servers –>internet servers. Select an internet server and click on generate plugin configuration file and then propagate the plugin. This plug-in desires to be established at the internet server gadget

Q22. How Would Use Ensure Websphere Server Logs Are Created On A Different Drive Than The Installation Root?

Change the WebSphere server's server variables the use of the Administrative Console or use scripts. 

Q23. What Is Mq Server?

A Web Sphere MQ server is a queue supervisor that offers queuing services to at least one or greater clients. All the Web Sphere MQ objects, as an example queues, exist only at the queue manager device (the Web Sphere MQ server machine), and no longer at the patron. A Web Sphere MQ server also can support neighborhood Web Sphere MQ Applications

Q24. What Are Deployment Descriptors? How Many Types Of Deployment Descriptors Are Available? What Are They?

Deployment descriptor is an XML document that describes how to set up a module or utility through specifying configuration and container options. For instance, an EJB deployment descriptor passes records to an EJB box approximately how to control and manage an company bean. There are  sorts of deployment descriptor in websphere: Web software deployment descriptor and portlet deployemnt descriptor Portlets are packaged as WAR documents with a web utility deployment descriptor (web.Xml). This defines each portlet as a servlet inside the internet utility, such as specific identifiers for each portlet, the portlet magnificence, and initialization parameters.

Q25. Are There Any Differences Between Weblogic And Websphere?

Websphere tends to focus greater on integration, connectivity and internet services. It has wealthy implementation of J2EE, better overall performance, greater substantial integration and traction control. In phrases of trnsaction weblogic is having default traction attribute as ’supports’, however websphere does no longer have any default traction attribute.

Websphere is from IBM and Weblogic is from BEA. 

Q26. Explain About Websphere Mq Real Time Trport.?

It is a lightweight protocol. This protocol is optimized to be used with messages which can be non-persistent. WebSphere MQ Real Time Trport is utilized handiest through JMS customers.

WebSphere MQ Real Time Trport is proper suitable for the packages to ship massive wide variety of messages. All the packages that use this protocol need to rely on TCP/IP for great issues and which do no longer require continual delivery. For example, this protocol can be used in situations in which the facts is up to date very often, which include stock marketplace proportion values, updating scoreboard of a wearing event.

Q27. State Some Of The Features Present In Web Sphere.?

The following are the features of WebSphere:

Supports the Servlet/JSP field capability which runs on top of HTTP.

Supports HTTP servers such as IBM HTTP server, MS IIS and Netscape iPlanet server.

Supports HTML pages, Setvlets, Java Server Pages and XML.

Supports EJB factor model, Workload Management. WLM supports a couple of servers inside a single administrative domain.

Q28. What Is Ibm Web Sphere Edge Server?

WebSphere Edge Server permits deploying components of an utility that contains servlets or JSP components to a proxy cache and executes at the cache. The cache, referred to as facet server, on this context works with the unique WebSphere Application Server. This characteristic is called offloading.

Q29. I've Made Some Changes To My Applications Web.Xml , How And Where Should I Update This File?

You can do this from the management console. Go to employer programs –>pick out your application and click on update. On the next panel, you’ll have choice to update the complete utility, a single module or even a single report or a couple of documents.

Select the unmarried record choice and specify the record’s route you like to replace . Specify a relative direction to the file that starts offevolved from the foundation of the warfare/ear report. So it seems some thing like this : app1.War/WEB-INF/internet.Xml

Q30. How To Choose Websphere Over Other Application Servers?

Selecting utility server is a part of architectural technique when infrastructure is described. It relies upon on numerous factors:

External systems your utility will be interacting.

Type of software you have got.

Target availability of gadget.

Corporate requirements

Budget.

Q31. Is There Any Difference Between Weblogic And Websphere?

Webpshere has a tendency to cognizance extra on integration, connectivity and web services. It has rich implementation of J2EE, higher performance, greater giant integration and traction management. In phrases of trnsaction weblogic is having default traction attribute as ’helps’, but websphere does now not have any default traction attribute. 

Q32. What Is Websphere Commerce?

WebSphere Commerce is a software program platform framework from IBM. This framework affords the functionality for e-trade, consisting of income, advertising and marketing, customer service and order processing functionality. These functions are carried out using a tailorable and incorporated package. WSC is a unified and unmarried platform. This platform gives to carry out the functionality among businesses to patron, commercial enterprise to enterprise via channel companions. WSC is a scalable, highly reliable and customizable answer that's constructed on JEE platform. WSC uses the open standards including XML and Web services.

Q33. What Type Of Files Are Required To Deploy An Application Into Websphere. How Can They Be Installed?

WAR or EAR files. 

Can be installed the use of Administration Console or scripts.

Q34. What Is Web Sphere Mq Jms Provider?

The usage of WebSphere MQ is hired to use as Java Message Service issuer for JEE applications which can be deployed in WebSphere Application Server.

The WebSphere MQ JMS is message carrier company for WebSphere MQ systems. It is a set of Java training. These instructions permit using JMS applications to get entry to WebSphere MQ structures. The fashions factor-to-point and submit/subscribe of JMS are supported via MQ JMS issuer.