A ________ uses encryption and authentication in the lower protocol layers to provide a secure connection through an otherwise insecure network, typically the Internet.

When you edit a crosstab query in Design view, you use the ________ rows in the design grid to specify which field value becomes the column heading, which field values become row headings, and which field's value to calculate

A) Column and Row B) Criteria and Or C) Total and Crosstab D) Total and Or

A class's ____ provides the information needed to use the class without revealing anything about its implementation..

A. value B. definition C. interface D. hierarchy