IBM WebSphere Interview Questions And Answers

What is WebSphere?

WebSphere is a set of Java-based tools from IBM that allows customers to create and manage sophisticated business Web sites. The central WebSphere tool is the WebSphere Application Server (WAS), an application server that a customer can use to connect Web site users with Java applications or servlets.

What is IBM WebSphere edge server?

WebSphere Edge is a set of web server/application server components that are intended to improve the performance of web-based systems.

It is part of the IBM WebSphere product suite.

Edge Server comprises 4 basic components:

-Network Dispatcher

-Caching Proxy

-Content Distribution

               - Application Service at the Edge

Edge can be configured for high availability with a backup Edge failover server that takes over sessions if the primary Edge server fails.

Define Default messaging provider?

The default messaging provider uses the service integration bus for transport. The default message provider provides point-to-point functions, as well as publish and subscribe functions. Within this provider, you define JMS connection factories and destinations that correspond to service integration bus destinations.

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Define Dynamic cache?

Dynamic cacheThe dynamic cache service improves performance by caching the output of servlets, commands, and JSP files. This service within the application server intercepts calls to cacheable objects and either stores the output of the object or serves the content of the object from the dynamic cache.

How to configure remote system httpd.conf file?

select web server machine (remote)

Define 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.

What is SSL?

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

What is jdbc?

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

 In how many ways you can perform administration?

console,,,JMX

What is a managed webserver?

Remote webserver access through local (dmgr/cell)

Default bootstrap port?

2809

  What is CellDiscoveryAddress

Node uses this port to talk to DMGR

How to find out free diskspace from command prompt?

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

What is WebSphere MQ JMS Provider?

-IBM WebSphere MQ classes for Java Message Service are a set of Java classes that enables the JMS applications to access WebSphere MQ systems.

-Both the point-to-point and publish/subscribe models of JMS are supported.

-These Java classes are available as part of the IBM WebSphere MQ client support