Internet layers crossword

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Across
  1. 3. CSMA/CD uses this to ensure a WiFi device can only transmit when there is a free channel available
  2. 6. a peer that downloads many files but does not make available any new content for the community as a whole
  3. 7. a set of data that describes and gives information about other data
Down
  1. 1. protocol used in peer-to-peer networks when sharing files between peers
  2. 2. this is a central server that stores details about other computers that make up the swarm
  3. 4. splitting up of a file when using peer-to-peer
  4. 5. a peer that has downloaded a file (or pieces of a file) and has then made it available to other peers in the swarm