In this course, you'll learn the basics of wired and wireless QoS and the options you have for its implementation. You'll move on to explore the different mechanisms used to act on traffic in DiffServ environments. Finally, you'll examine Cisco Express Forwarding, the technology that makes current Cisco devices so incredibly efficient at moving traffic. You'll walk through CEF components and examine them on typical Cisco devices. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.