Ibm Websphere Placement Papers - Ibm Websphere Interview Questions and Answers updated on 07.Jul.2022

express, base, network deployment

IHS (IBM HTTP Server) is one of the web servers. It serves the static content only and it takes up only http requests.

Identify the web server (port, virtual hosts) to configure the web server definition.

The word web sphere popularly refers to IBM middleware technology products. Web sphere is known for its turn key operation in e business applications. It has run time components and tools which can help in creating applications which run on WAS. WAS refers to web sphere application server.

Compute grid is also known as Web sphere batch. Web sphere extended deployment offers a Java batch processing system called as Compute Grid. This forms an additional feature to Web sphere network environment. Various features are provided which help a developer to create, manage and execute batch jobs. Job scheduler, xJCL, batch container and batch programming controller.

A node corresponds to a physical computer system with a distinct IP host address.The node name is usually the same as the host name for the computer.

Objects storage space for objects references created at run time in a jvm is heap memory.

There is an algorithm that websphere uses to find the timestamp of .jsp and .class files. It checks that timestamp of .class file is always later than its corresponding .jsp file.

Web Sphere is built on three main components they are
• Database
• J2EE application server
• A web server
The databases which it supports are
• DB2
• Oracle
• Cloudscape
Application server is IBMWAS and the supported web servers are
• IBM server
• Microsoft IIS
• Sun web server.

type4
@It is pure java oriented
2.require client side software
type2
1.it is not a pure java oriented driver
2.no need any client software.

 

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.

Apache, ApacheMonitor, htpasswd, htdigest, htdbm, ldapstash, httpd.exe

  1. Webserver serves pages for viewing in web browser, application server provides exposes businness logic for client applications through various protocols
  2. Webserver exclusively handles http requests.application server serves bussiness logic to application programs through any number of protocols.
  3. Webserver delegation model is fairly simple,when the request comes into the webserver,it simply passes the request to the program best able to handle it(Server side program). It may not support tractions and database connection pooling.
  4. Application server is more capable of dynamic behaviour than webserver. We can also configure application server to work as a webserver.Simply applic! ation server is a superset of webserver.

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

Admin console…..jython (jacl) scripts.

Remote webserver access through local (dmgr/cell).

IBM web sphere commerce has a single platform which offers complete ecommerce solutions to developers. It can be very productive if you are planning to do business with consumers, business and indirectly through channel partners. This can be used to perform business with consumers, business and channel partners altogether.

CHANNEL specifies the name of the server connection channel. Generally this is Web Sphere MQ network abstraction. The default standard used by CHANNEL is SVRCONN which is the server connection channel. This server is generally used to communicate to the queue manager by the client.

deployment manager contains the MASTER configuration and application files. All updates to the configuration files should go through the deployment manager.

Managing singletons will be a thing of the past and it also provides hot recovery of singletons which makes you forget about your GC collected singletons. Traction logs can stored on a shared file system. For clustering run time operations deployment manager`s role was eliminated. J2EE failover support and cell configuration support is also present.

Web sphere almost reduces the work of server administrator as he can manage load on servers efficiently without any hassles. It also gives him flexibility to divide the load and applications among different server farms. He can also predict about the incoming load on servers. Email alerts, restart options, memory leak detection, etc.

1.deployment manager profiles 2.application server profiles 3.custom profile.

startserver.sh server1.

The web container provides a runtime environment for servlets, jsp’s, javabe, and static content.

Some of the features which are present in web sphere are: -
• Order management
• Web sphere commerce accelerator
• Analytical and business intelligence
• Open standards such as Java, EJB, etc
• Web sphere commerce payments and customer care, etc.

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

Web sphere application server extended deployment increases the functionality of the server in two main areas they are manageability and performance. Dynamic virtualization between servers is possible with the help of XD. A stand alone distributed cache was added to it under the performance header, it is known as Object Grid.

plug-in is one of the modules it is interface between application server and web server, the plug-in process receives the request from the client first. If the request is for dynamic content, the plug-in diverts the request to the websphere application server. If the request is for static content, the plug-in forwards it to the Http server.

admin server, web container, ejb container,j2c service, naming server, messaging engine, security server.

select web server machine (remote).

see jvm & application are up, check plugin-cfg.xml file for the root context used by the web application if it does not exist generate plugin and restart web server.

we can register resources in the application server’s java naming and directory interface (jndi) namespace. Client applications can then obtain the references to these resource objects in their programs.

Both BEA Weblogic and IBM’s WebSphere provide J2EE based application servers which are competitors. WebSphere leverages more on connectivity issues with MQ and legacy systems with strong dominance in J2EE.

Node with NodeAgent.

logical group of servers.