Thinking Through the Questions – ENCOR Exam Prep
By: Jim Goughenour As I continue to prepare for my ENCOR exam, I had some thoughts that I wanted to share. If you are like
Shaped Round Robin
This brief video covers Shaped Round Robin (SRR) which helps identify which traffic goes into which queue as well as what percentage of the bandwidth
Class Based Weighted Random Early Detect (CBWRED)
This video explains what Class Based Weighted Random Early Detect (CBWRED) is and walks through how it works. This video is a small portion of
Tail Drop
This video explains what Tail Drop is and how it discriminately drops data when a queue is full. This video is a small portion of
Introducing QoS, Part 3: Congestion Avoidance
In this 1-hour Tech Session, Keith Edwards discusses Weighted Random Early Detect, the default values used by WRED, both in IP Precedence and DSCP and
The History of OSPF
This video provides a brief history of OSPF and how it was created based on a need for a routing protocol that could take bandwidth
Explaining Wireless Fundamentals
This Tech Brief is derived from the Explaining Wireless Fundamentals Tech Session. (Click below to view/download this Tech Brief)
Introducing WAN Technologies
This Tech Brief is derived from the Introducing WAN Technologies Tech Session. (Click below to view/download this Tech Brief)
Round Robin (RR)
This video explains what the Round Robin (RR) technique for queuing is and how it works. This video is a small portion of the Introducing
How IP Multicast Works
This video breaks down how IP Multicast works into 4 simple steps. This video is a small portion of the Introducing Multicast Protocols Tech Session.
Why Use Python?
This video explains what Python is and some of the benefits of using Python such as it is easy to learn and is supported by
Tips for Analyzing Python Code
This brief video provides four tips for analyzing Python code including: knowing your data types and understanding scoping. This video is a small portion of
The Need for QoS
This brief video explains what QoS is including the idea of “Managed Unfairness” and explains why we need it. This video is a small portion
Quality Issues – Jitter
This video talks about how Jitter affects voice and video networks, how to measure it, and how it can be reduced. This video is a
Classifying Network Traffic
This video briefly reviews the OSI Model and goes into greater depth on Layer 2 and Layer 3 discussing CoS, QoS, and DSCP Priority Levels.