servlet

What is true

(Select Two Ans)

• .Servlets execute on Server; Applets execute on browser

• Servlets have no GUI; Applet has GUI

• Servlets creates static web Applets creates dynamic web

• Servlets handle single , Applethandle multiple requests

Which of the following code is used to get an attribute in a HTTP Session object in servlets?

• session.getAttribute(String name)
• session.alterAttribute(String name)
• session.updateAttribute(String name)
• session.setAttribute(String name)

Which of the following is true about servlets?

• execute within the address space of web server
• platform-independent because they are written in java
• use the full functionality of the Java class libraries
• All of above

Which of the following package contains servlet classes?

• javax.servlet
• javax.servlet.http
• Both of the above.
• None of the above.

What is javax.servlet.http.HttpServlet?

• interface
• abstract class
• concreate class
• None of the above.

What is javax.servlet.http.HttpServlet?

• interface
• abstract class
• concreate class
• None of the above.

Which of the following way can be used to keep track of previous client request?

• Using cookies.
• Using hidden form fields
• Using URL rewriting.
• All of the above.

method used to send request and response objects to another servlet in RequestDispacher

• forward()
• sendRedirect()
• Both A & B
• None of the above

Which HTTP Request method is non-idempotent?

• GET
• POST
• BOTH A & B
• None of the above

What is the lifecycle of a servlet?

• Servlet class is loaded
• Servlet instance is created
• init,Service,destroy method is invoked
• All mentioned above