(4 pts) The website http://www.net.princeton.edu/traceroute.html allows a user to perform a traceroute from the machine www.net.princeton.edu to any location. Log on to any machine and perform a forward and backward traceroute to www.net.princeton.edu. (a) Print out the two traceroute results. (b) How can you tell if the forward and the backward paths are identical or not? Explain.