Lecture 32 Quiz: Revision & Practical (Servlets + JSP)

Note

Review before quiz: Lectures | Week 10 Content | Lab 8

Lecture 32 Self-Check

Question 1: What is the key difference between redirect and forward in servlet/JSP flow?

Select an item

A. Both redirect and forward share the same request object

B. Redirect sends a new request from the browser; forward passes the same request internally

C. Forward changes the URL in the browser; redirect does not

D. Both redirect and forward keep request attributes intact

Question 2: Which method is used to log out a user by ending their HttpSession?

Select an item

A. session.removeSession()

B. session.clear()

C. session.invalidate()

D. request.destroySession()

Question 3: In a typical MVC pattern with Servlets and JSP, what is the correct role assignment?

Select an item

A. JSP acts as Controller and Servlet as View

B. Servlet handles business logic (Controller); JSP handles presentation (View)

C. Both Servlet and JSP are the Model layer

D. JSP handles both Model and Controller

Question 4: What is the difference between request.getSession() and request.getSession(false)?

Select an item

A. request.getSession(false) always creates a new session

B. request.getSession() creates a session if none exists; request.getSession(false) returns null if none exists

C. Both getSession() and getSession(false) behave identically

D. getSession(true) returns null if no session exists

Question 5: A JSTL <c:if> tag is not rendering and throws an error. What is the most likely cause?

Select an item

A. Missing taglib declaration JAR or URI

B. Too many scriptlets in JSP

C. Using jsp:include instead of jsp:forward

D. Session not invalidated on logout