1.What is application server ?
2.What is web server ?
3.Explain the process of execution of a php file ?

Answer Posted / sachin

Application Server is the one that hosts the business logic
of the applications as well as third party applications that
are needed by web applications.

Web server receives the HTTP request, uses the application
server for the processing of data. It uses CGI scripts to
access the third party application lying on the application
server.

The response of the application server is utilized by web
server and produces the appropriate and presentable output
to the browsers.

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