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.
c) The entry a¬ij is 1 if user i is allowed access to file j.
Computer Science & Information Technology
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