Java Servlets

What is bytecode?

• Machine-independent code

• Java code

• Machine-specific code

• None of the mentioned

Which of the following are interface? 1. ServletContext 2. Servlet 3. GenericServlet 4. HttpServlet

• 1,4

• 1,2,3,4

• 1,2

• 1,3,4

The life cycle of a servlet is managed by

• servlet context

• servlet container

• the supporting protocol (such as http or https)

• All of the above

Which JDBC driver Types are for use over communications networks?

• Type 3 only

• Type 4 only

• Both Type 3 and Type 4

• Neither Type 3 nor Type 4

How does Tomcat execute a JSP?

• As a CGI script

• As an independent process

• By one of Tomcat's threads

• None of the above is correct.

Which class provides stream to read binary data such as image etc. from the request object?

• ServltInputStream

• ServletOutputStream

• ServletContext

• None of the above

Which method of HttpServletResponse interface can be used to redirect response to another resource, it may be servlet, jsp or html file?

• forward()

• sendRedirect()

• reDirect()

• forwardReDirect()

Which type of ServletEngine is a server that includes built-in support for servlets?

• Add-on ServletEngine

• Embedded ServletEngine

• Standalone ServletEngine

• None of the above

What type of servlets use these methods doGet(), doPost(),doHead, doDelete(), doTrace()?

• Genereic Servlets

• HttpServlets

• Servlets

• All of the above

Which cookie it is valid for single session only and it is removed each time when the user closes the browser?

• Persistent cookie

• Non-persistent cookie

• User Cookies

• none of the above