Resource Library

An quick fundamental overview of layer two devices.   To learn more about this and similar topics, enroll in our exclusive Understanding Networking Fundamentals course.    

Using Palo Alto Networks, PAN-OS, enterprises can build an IT Security Platform capable of delivering protection against all stages of the Cyber-Attack Lifecycle. From Reconnaissance to Act on Objective, the PAN-OS Single-Pass Parallel Processing (SP3) engine combines efficient throughput with maximum data protection. This recorded webinar will describe how the SP3 Architecture can increase network traffic visibility and enable you to control your environment. View the slide deck>

Cybersecurity has matured into a complex and diverse set of functions. Each of these functional specializations represent different roles requiring different knowledge, skills, and abilities.

Cloud and virtualization technologies have spawned a whole ecosystem of applications. But like any powerful technology, they can be used for bad as well as good. This session reviews the top 10 most common mistakes made in cloud and virtualization security.

It’s inevitable. At some point in your career, you’ll find yourself working alongside individuals who fall into the general category of “Difficult People.” The effects these people can have on an organization vary greatly but usually involve many problems for the team. This white paper describes some of the more common types of difficult people and provides you with tips on how to handle them.

Here are five date points from the 2020 IT Skills and Salary Report that illustrate important trends in professional development, skills gaps, hiring and top-paying certifications.

The key difference between hubs, switches and bridges is that hubs operate at Layer 1 of the OSI model, while bridges and switches work with MAC addresses at Layer 2 of the OSI model.

While Apple has created many fine things, they were yet to be created themselves when Xerox PARC scientists created Media Access Control addresses. These MAC addresses are 48 bits or 6 bytes long, so they are also known as MAC-48 or EUI-48. EUI stands for Extended Unique Identifier. It is written in hexadecimal characters as shown below:

There are several advantages to implementing a route-based VPN (a.k.a. tunnel interface VPN) instead of a site-to-site one. Learn more.

The coronavirus pandemic changed how people around the world work and receive skills training. Virtual meeting services saw incredible growth, they also faced new security challenges. As a key Global Knowledge partner, we worked closely with Gary and the Zoom team as they rapidly upgraded their platform to ensure the maximum possible level of safety for all users. However, technology is only as powerful, or safe as the people who use it. So, in this webinar Gary will provide expert (and entertaining!) advice on how to use virtual meetings safely when there is not a Global Knowledge instructor on-hand to help. Joining Gary is Kevin, our CXO: another big personality with a wealth of IT experience and a passion for ensuring our customers receive the best possible experience, every time they connect with Global Knowledge.