All of the following are controls for operations that can be performed on a table, except _____.

A client wants to install an office suite (word processing, spreadsheet, presentation, email) on twelve business workstations. Which of the following is the most cost-effective and legal method for doing so?

a. Install a commercial office suite using cracked license numbers b. Download and install an open-source office suite. c. Buy a multi-user license for a commercial office suite. d. None of the above.

The __________ is added to the beginning or end of a number to validate the number's authenticity.

A. security digit B. token digit C. verification digit D. check digit