Why should the directory of one user not be generally accessible to other users (not even for read-only access)?
What will be an ideal response?
The knowledge of the existence of certain objects should not be available to unauthorized users. For example, a knowledge that Jones and Smith are working together on a project (as evidenced by shared access to many files) might be sensitive. Sometimes, testing or development versions of hardware components or software systems should not be known by all users.
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In the linked list implementation of the queue, we had a destructor, copy constructor, and overloaded assignment operator function because:
A. every well-written data structure must have these three functions B. there are pointers to dynamic memory in the private section C. queues often need to be destroyed, copied, and assigned D. the insert function frequently makes use of these
Unwanted, unsolicited e-mail is referred to as ________.
Fill in the blank(s) with the appropriate word(s).