The most popular Layer 3 protocol is _______

?Match each term or phrase with the description.

A. ?rules for site visitors B. ?way that a company supplies its products or services to customers C. ?third party that certifies that a website meets criteria for conducting business in a secure manner D. ?the act of selling and/or buying goods and services on the web E. ?used to make purchases on the web

Case-Based Critical Thinking Question Lorienne is building a table for her Web site that shows her babysitting rates depending on the number of hours and number of children watched. Lorienne wants the number of children to show across the top of the table, as a column heading. To do this, she should use the ____ basic table structuring tag.

A. top-head B. fixed-head C. thead D. label