Question:- Explain what is extended deployment in WebSphere?
Answer:- The extended deployment in WebSphere leverages enhanced qualities of service with features optimizing IT resources. It spans three areas • WebSphere Virtual Enterprise • WebSphere eXtreme Scale • Compute Grid
Question:- Explain what is WebSphere edge server?
Answer:- The WebSphere edge server is used to enhance the performance of web based systems. It can be used as a proxy server. There are basically four components in the web sphere they are caching proxy, content distribution, network dispatcher and application server at the edge.
Question:- Explain how caching proxy of WebSphere on the edge server is done?
Answer:- A caching proxy can be configured in forward direction or as a proxy. When user requests the content, it is cached by the edge before sending or following to the query. Page fragments arising from Servlets or JSP are cached by Edge, and the Caching process becomes Slow. Performance and scalability can be optimized by edge.
Question:- Mention what functionality does caching proxy server provides?
Answer:- Caching server provides functionality like • Reverse proxy and content based routing • Integration with servlet caching and dynamic content caching
Question:- Mention what are the Websphere MQ programming APIs?
Answer:- Websphere MQ programming APIs include • AMI (Application Messaging Interface) • JMS (Java Message Service) • MQI (Message Queue Interface)
Question:- Mention which resource can enhance EARs support apart from shared libraries and data sources?
Answer:- Class loader policy, JAAS authentication aliases and virtual host information can enhance EARs support apart from EARs support and shared libraries.
Question:- Mention how many ways you can deploy the application in WebSphere?
Answer:- In Websphere application can be deployed in three ways • Copy files directly to deploy application folder in websphere • Use websphere specific ant tasks create automated scripts for deploying application • Via administration console
Question:- Mention what Sync function does in Websphere?
Answer:- WAS (WebServer Application Server) stores all the configuration in one central location referred as “Master Repository”. The sync ensures the configuration in both local and master repositories are same and in sync.
Question:- Explain what is a connecting pool?
Answer:- Connecting pool is a cache of database connections maintained so that connection can be re-used when future requests to the database are required. If all the connections are occupied, a new connection is created and is added to the pool.
Question:- Mention what is the difference between Websphere and Weblogic?
Answer:- Websphere is focused more on connectivity, integration, and web services. It has better performance, rich implementation of J2EE, more extensive integration and transaction management compare to Weblogic. Weblogic has default transaction attributes as supports, while websphere does not have such type of the default transaction attribute.
Question:- Explain what is Jasper?
Answer:- • Jasper is a Tomcat’s JSP engine • It parses JSP files to compile them into JAVA code as servlets • At runtime, Jasper allows to automatically detect JSP file changes and recompile them
Question:- Mention what is the output of select * from tab?
Answer:- It displays the default tables in the database
Question:- Explain how you can configure Tomcat to work with IIS and NTLM?
Answer:- You have to follow the standard instructions for when the isapi_redirector.dll Configure IIS to use “integrated windows security” Ensure that in the server.xml you have disable tomcat authentication
Question:- Mention what is the default port for Tomcat?
Answer:- The default port for Tomcat is 8080. After initialising Tomcat on your local machine, you can verify if Tomcat is running the URL: http://localhost:8080
