Crossword

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Across
  1. 2. a device to separate your network
  2. 4. different word for a trial version
  3. 5. where data is stored on a pc
  4. 7. is also an island
  5. 10. most important software on a pc
Down
  1. 1. a system for redundant storage
  2. 3. protects your pc from attacks
  3. 6. a program that isnt what it claims to be
  4. 8. a common peripheral
  5. 9. the prominent layer 2 protokol