a2zinterviews

33.	What are Internal Servlets?
	Internal Servlets are File servlet Invoker servlet CGI servlet Admin servlet Image map servlet ServerSide Include (SSI) servlet
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34.	What is Server Side Include?
	Server Side Include (SSI) is just another way to load and invoke local as well as remote Servelts.
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35.	How do the Servlets communicate with each other?
	A Servlet communicates with another Servlet using the ServletContext interfaces. The ServletContext interface is implemented by the web server. It enables Servlets to obtain information about their environment. The getServlet() and getServletNames() methods of this interface are dangerous to use, because they can corrupt the server's state machine.
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36.	What are the advantages of Servlets over CGI?
	Servlets offer several advantages over CGI Better performance – Servlets execute within the address space of a web server. Separate process – They create a separate process to handle each client request. Platform independent – Servlets are platform – independent, because they are written in Java. Security – More secure. Functionality – The full functionality of the Java class libraries is available to a Servlet. It can communicate with applets, databases, or other software using sockets or RMI mechanisms.
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