1.1.11 Causes of data loss Flashcards
what is data loss?
an error condition where data is lost or destroyed due to system failure, storage negligence, transmission or processing errors
how do you measure how costly dad loss will be?
by how costly it ill be to recreate the data as well as how costly it may be to notify users of data loss
what are the causes of data loss?
accidental deletion, administrative errors, poor data storage (misplacement), building fires, closing the program without saving the file, computer viruses, continued use after signs of failure, data corruption, firmware corruption, natural disasters, outsiders wanting to delete steal or alter the data, physical damage of the storage device, power failure
accidental deletion
very common cause of data loss. can be solved by use of file recovery
administrative errors
need for care
poor data storage (misplacement)
the data can’t be found. the solution is to restructure data organization
building fires
rare cause of data loss. solution is to store the data in two location
closing the program without saving file
very common cause of data loss. Solution is that it needs care and also use of autosave features
computer viruses
common cause of data loss. Solution s to apply antivirus software and use regular backups
continued use after signs of failure
solution: need for PC checkup, regular backups
data corruption
means errors in computer data. solution is to do regular backups
firmware corruption
means hard disk failure. solution is to do regular backups
natural disasters
rare cause of data loss. solutions is to store data in two locations and to do regular backups
outsiders wanting to alter, delete, steal data
solution is to implement firewall, do regular backups, and implement authentication methods
physical damage of the storage device
the solution is to do regular backups
