This week's book giveaway is in the OCAJP forum. We're giving away four copies of Programmer's Guide to Java SE 8 Oracle Certified Associate (OCA) and have Khalid A Mughal & Rolf W Rasmussen 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.