An HTML document is composed of tags that represent distinct items in the Web page, such as a paragraph, the page heading, or even the entire body of the page itself.

The major difference between a CheckBox and a RadioButton is that:

a) RadioButtons are generally grouped to allow choices b) CheckBoxes usually represent options that allow more than one to be used c) Only one RadioButton per group can be selected at once d) b and c

Why is it important for the server software to scan all of the input for errors before sending a message to the user?

What will be an ideal response?