• What is a NIC? • What is a MAC Address? • When would you use a crosslink cable? • What are the main advantages and disadvantages of Fiber-Optic-based networks? • What is the difference between a Hub and a Switch? • On which OSI layer can a router be found? • What is CSMA/CD? • What is multicast? • What is Broadcast? • What is the difference between TCP and UDP? • Describe some of the settings that are added by TCP and by UDP to the packet's header. • What are TCP Ports? Read more