What is the network ID for Unicast address class A?

What is the network ID for unicast Network address B?

What is the network ID for unicast Network Class C?

Which are the two-step process of how routers route (forward) packets?

Which are the Four-step process of how routers route (forward packets)

Which are the goals of routing protocols?

What is the method by which any host or router can dynamically learn the MAC address on the same LAN?

Which are functions of a routing protocol?