Which of the following is an IPv4/IPv6 node that is connected to both an IPv4 Internet and an IPv6 Internet using different interfaces?

Answer the following questions true (T) or false (F)

1. In the template prefix, template the keyword class means that the type parameter T must be of class type. 2. It is possible to have more than one type parameter in a template definition.

Item B in the accompanying figure is used to _______________ layers.

Fill in the blank(s) with the appropriate word(s).