2. Which of the following Operating Systems claims to have NSA security certification to the C2 level?

  1. No. DOS is really only slightly above a ZERO in security ratings.

  2. Correct. NT has some security, but only if you install it using the "NTFS" file system.

  3. No.

  4. No. You can still log in on Windows 95 simply by giving a name and a password.
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