1. Consider a new peer Alice that joins Bit Torrent without possessing any chunks. Without any chunks, she cannot become a top-four uploader for any of the other peers, since she has nothing to...

1. Consider a new peer Alice that joins Bit Torrent without possessing any chunks. Without any chunks, she cannot become a top-four uploader for any of the other peers, since she has nothing to upload. How then will Alice get her first chunk?

2. Assume a Bit Torrent tracker suddenly becomes unavailable. What are its consequences? Can files still be downloaded?