Category: ONT v1.0
Title: Introduction To Quality of Service (QoS)
Summary: Even if you don't know what QoS is, you've most likely heard of it. Basically, Quality of Service is a way to give delay-sensitive traffic the attention it deserves while (hopefully) still getting "regular" traffic to its destination in a timely manner.

Category: ONT v1.0
Title: The QoS Models: Differentiated Services (DiffServ)
Summary: To pass the ONT exam and earn your CCNP certification, you've got to know the ins and outs of the three major QoS models - DiffServ, IntServ, and best-effort. Today's free CCNP training takes a look at Differentiated Services (DiffServ)

Category: ONT v1.0
Title: Configuring Priority Queuing
Summary: In the first part of this Cisco CCNP training tutorial on priority queuing for the ONT exam, we talked about the basic theory of PQ and the danger of queue starvation. Today, we'll configure PQ on a Cisco router and use IOS Help to look at our options.

Category: ONT v1.0
Title: Introduction To Priority Queuing
Summary: To earn your Cisco CCNP certification, you’ve got to pass the ONT exam – and there’s no more important topic on the ONT exam than queuing. In this series of tutorials, we’ll take a look at the theory and configuration of different queuing strategies, and we’ll start with Priority Queuing (PQ).