There are two basic categories of physical cabling used in Ethernet networks. They are copper wire and fiber optic.

Which of the following is not one of the key issues of link state protocols?

a. Finds neighbors/adjacencies b. Uses route advertisements to build routing table c. Sends "Hello" packets for routing tables d. Sends updates when routing changes

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

1. Design patterns are restricted to particular programming languages, of which C++ is one. 2. UML is graphical language for designing programs.