QUESTION 2 Q 2(a) Describe four ways in which information can be located in P2P networks. Be sure to ITOTAL MARKS: 25] [10 Marks] describe the advantages and disadvantages of each method. a 2(b) Describe the process used by BitTorrent to exchange chunks. Q 2(c) Consider a P2P application with the following parameters. 15 Marks] [10 Marks] Let F be the size of a file to be distributed. Let N be the number of peers wishing to get a copy of the file. . us is the upload rate of the server's access link. . u is the upload rate of peer i's access link. di is the download rate for peer i. dmin is the min(dj. Show that the minimum distribution time is given by DP2psmax(F/us, Fldmin, NFI(us +u1+UN)) End of Question 2]