Optical storage methods which include the DVD and CD drives will give you a capacity that is moderate and access to the information is quite simple. However, this method is also quite expensive if you need daily backup for large amounts of data or if you need to archive data.
The low capacity of the DVD and CD drives may not give you a solution if you need to regularly back up large volumes of data. The tape technology is suitable for archiving in the medium term, which is about 10 – 15 years’ worth of data.
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