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The Risks To Your Data
If you do any sort of reasonable amount of computing, it is only a matter of time before you some day need access to backups of your data or programs. There are many different risks to your data; most people just think of the infamous, dreaded disk crash. This is a real risk due to the technology used in data storage, but there are many other ways that you can easily lose data on your PC. In fact, the list of risks below is far from exhaustive, though it covers the most common problems.
Some backup methods protect against all of the risks below, while some protect only against one or a few of them. See this section for a comparison of the risk protection offered by various backup methods.
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