Resource Library

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.

There is a reason why Agile training methods are becoming mainstream. They can work! Although every Agile practice is not necessarily appropriate for every organization, each practice has delivered real value to many organizations, and some Agile practices can be used by anyone!

Global Knowledge Course Director and Lab Topology Architect Joey DeWiele, a specialist in Unified Communications, explains the difference between our Cisco Unified Communications courses - ACUCW1 & ACUCW2.

Here's an introduction to encryption. What is it? Why do we need it? It's a complicated area, so we're here to help get your started. You'll understand the general function of three categories of mathematical ciphers: Symmetric, Asymmetric and Hashing. 

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.

Gaining access is the most important phase of an attack in terms of potential damage, although attackers don’t always have to gain access to the system to cause damage. For instance, denial-of-service attacks can either exhaust resources or stop services from running on the target system. 

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.

ISACA certifications are some of the most popular and highest-paying in the Global Knowledge 2019 IT Skills and Salary Report. Eleven percent of IT professionals in the United States and Canada are ISACA-certified, and their salaries are 12% above the North American average.

Look back at the some of the highest paying IT certifications of 2020.

Which mainstay certifications should be in your list of credentials? What's the next up-and-coming certification? This article will help you answer both questions by providing a review of the 15 top-paying certifications.