A router is an internetworking device, primarily software driven, which directs traffic between two different types of LANs or two network segments with different protocol addresses.

Select the items below that can be used as a CSS Selector

a. an HTML element b. a class name c. an id name d. All of the above

A type parameter _____________.

a) is an identifier that is used in place of an actual type name b) can be used to declare the return type c) acts as a placeholder for the type of an argument passed to the generic method d) All of the above