When you apply a filter, the Toggle Filter button is NOT active

The Guest account derives all of its privileges from being a member of the Guests group and which other group?

A. User B. Domain C. Everyone D. Initial

Which one of the following statements about access control matrices is true?

a) In an installation with a large number of users and number of files, the matrix would be quite small. b) Because allowing access to a file is the exception rather than the rule, the matrix will be rather dense. c) The entry a¬ij is 1 if user i is allowed access to file j. d) The entry aij is 1 if user i may not be access file j.