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Data Encryption on Disk
Perhaps the most common data encryption
scheme used for data stored on disk is the DES (Data Encryption
Standard). In this type of encoding, both parties must have encryption
keys to perform a successful lock and unlock.
If a user tries to access an encrypted
file and doesn’t have the right password (or key), the worst that
will happen is that they will receive a scrambled, unintelligible version
of the file.
File systems of many NOS’s,
like Windows 2000, support storage of data in encrypted form.
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CertiGuide for Network+ (http://www.CertiGuide.com/netplus/) on CertiGuide.com
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