This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
C(marked ) rd2.forward(req , res) and rd4.forward(req , res ) may forward to same resource. ------------------ I disagree as one is relative URL to present resource another relative to context( starting with /) so option c is may not be correct in all the situation.