Resource Library

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

System Administrators, or SysAdmins, are the “installation specialists,” “configuration specialists” and “fixers” in IT. If you’ve ever seen Pulp Fiction, SysAdmins are like Winston Wolfe — their job is to solve problems.

It’s been about 10 years since public cloud offerings like AWS opened up the world of big data analytics. This post examines the top five most useful architectures used for big data stacks to learn the sweet spots of each.

This Certification Prep Guide provides an overview of the current AWS Certified Solutions Architect – Associate certification and offers helpful tips that you can use when preparing for your AWS Architect certification exam.

Cryptography can be used for many purposes, but there are two types of cryptographic algorithms you need to understand: symmetric and asymmetric. Learn more from the experts at Global Knowledge.

Every second of every day, data is being sent and received. Billions of data packets are processed by your company’s network every day. In fact, you received dozens of packets just to read this article, but the vast majority of us have no idea how this works. People have no clue as to what goes on behind the scenes to ensure data actually gets to the right device.

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. 

Learn about the five types of area networks.

Here are 18 certification options, in no particular order, that are worth your effort based on site searches, feedback from subject matter experts and data in the Global Knowledge 2019 IT Skills and Salary Report.

Prepping for a Microsoft certification exam? Global Knowledge's own Tracy Wallace has you covered with these six tips for passing any Microsoft exam.