It Is Quite Difficult to Fabricate an Alibi on a Network

Multiple Choice

It is quite difficult to fabricate an alibi on a network successfully because:

A) An offender may not have the proper access.
B) An offender would need system administrator access level to make the necessary changes.
C) An individual rarely has the ability to falsify digital evidence on all the computers that are involved.
D) Creating an alibi on a network could take months of work.