An insertion anomaly suggests that you enter data about two different entities when you have data on only one entity

________ of Office Web Apps is free, and requires only a Windows Live ID and a computer with an Internet connection and supported browser software.

a. Business use b. Open license use c. Personal use d. Institutional use

________ uses two means to authenticate the user, such as biometrics or a smart card used in combination with a password.

a) Two-method authentication. b) Digital authentication. c) Two-factor authentication. d) None of the above.