Answer / muthusenthil

As per http protocol no user information is pertained.
every request is considered as a new request and there will
not be any session maintained between requests. so to
maintain users information we have to use session
tracking

Answer / priya

Session is a time period within which a user enters a
webpage,access the data or performs some operations and
quits the page.

Consider the usual example of a shopping cart(which is
widely used to explain session tracking)where a user buys a
book and puts it in the cart, then starts browsing at other
books or check the list of books to buy another book.In
that case, it should be possible to keep track of that user
in the session otherwise it will not be possible to
identify the user and you cannot keep track of that user.

Answer / saikiran

Because of http is an stateless protocal
that don't have a capacity to remember ur information
for that we r tracking by using of
.urlRewriting
.Hiddenform Fields
.Cookies
.HttpSession

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