title: Do session use cookies?
body: <p>This is an interview question asked a month ago....</p>
  
  <p>Do session use cookies? If so,how do they do so?</p>
  
  <p>Assume <code>Session["UserId"]=1</code> how does this session variable uses cookies internally? If so, what will be the name of the cookie and what is the value of that cookie....</p>