WAS definitions - WebSphere Application Server Interview Questions - Part -8

1) What is WAS ? (WEBSPHERE APPLICATION SERVER)


A) ----> It provides run time URL for the end user.

    ----> This technology is Introduced by IBM Company in to the market.

    -----> It is easier for clients to build , deploy , manage Dynamic Websites.

   -----> It is also used  E-Business Applications.

   -----> The application is Secure , Scalable , Reliable.

   -----> WAS provides Authentication and Authorization to secure applications.


FUNCTIONALITY OF WAS ?

----> WAS supports Asynchronous Messaging through JMS Provider

-----> WAS provides Authentication and Authorization to secure applications using LDAP.

-----> WAS works with Web Server (IBM HTTP SERVER)


2) What is Edge Component ?

A) ----> It can reduce Web Server Congestion.

    -----> Increase Content Availability 

   ------> Improve Web Server performance.

   ------> It runs in a network configuration between Enterprise Intranet and Internet.




3) What is WEB CONTAINER ?

A) -----> It process HTTP requests , Servlets , Java Server Pages.

    ------> It process static requests or provides environment for running Servlets.




4) What is EJB CONTAINER ? 

A) -----> It is used for Business transactions through Database (Dynamic data)

    ------> Provides all Run time Services needed to Deploy , Manage

   ------> Provides an environment for running Servlets.

   ------> It is Server process that handles requests for both session and Entity Beans.

   ------> EJB has 2 types

1) State full : We can get Acknowledgement from the client side.

2) State less : No Acknowledgements from client side.




5) What is Web Server ?

A) ----> It process HTTP or Static requests.

    -----> It uses Server side scripting , Java Script .

   -----> It uses browser for viewing the application.