You are examining a Microsoft Word document and have used an application that reads the metadata of the file. In this way you discover that there were two other individuals who made modifications to the file other than the original author. Which of the following forms of metadata provided that clue?

An IT manager is considering an anti-spam solution. Because one of the primary concerns is e-mail server performance, which solution can be eliminated from consideration?

a. Appliance b. Outsourced c. Server-based d. Client-based

Write an enqueue method for a queue implemented as a linked structure. You may assume that the class has references to LinearNode objects called front and rear, which represent the front and rear of the queue respectively. You may also assume that the class has a variable called count, which represents the number of elements in the queue.

What will be an ideal response?