______ are grouping elements in HTML5 that indicate the role of their content.

Using a smart card and a one-time passcode is an example of which of the following authentication methods?

A. Single-factor authentication B. Multifactor authentication C. Multilayer authentication D. Cognitive password authentication

How many type parameters may a function template have?

a) none, that is not what the parameters in a function template are called. b) 1 c) 2 d) as many as are needed