RU ITEC421-Degradation Faults

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Across
  1. 4. Estimating the present number, future incidence, and likely consequences of faults
  2. 5. Identifying the presence of an error
  3. 6. Duplicating components for fault tolerance
  4. 9. Behavior exhibited by a system when a failure occurs
  5. 10. All devices operate continuously
  6. 12. N-modular redundancy with N identical units
  7. 15. Maintains two identical copies of data
  8. 16. Triple modular redundancy, a special case of NMR
  9. 17. Algorithm used by fail-stop computers
  10. 19. Error detection mechanism using extra bits
  11. 20. Redundant Array of Inexpensive Disks
  12. 21. Key property for achieving fault tolerance
  13. 22. Fail-stop computer property; storage unaffected by failure
  14. 23. Employing additional components for fault tolerance
  15. 24. NMR with a set of spare units
Down
  1. 1. Maintaining system functionality after an error occurs
  2. 2. Preventing faults from being introduced
  3. 3. Enabling a system to continue operating properly in the event of a fault
  4. 7. Fail-stop computer property; other computers can detect failure
  5. 8. Two identical components operating in parallel
  6. 11. Action that writes to stable storage only at the end
  7. 13. Evaluating the extent of damage caused by an error
  8. 14. Multiple computers communicating via a network to achieve a common goal
  9. 18. Spare components are powered down until needed