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2020 15 Top-Paying Certifications

Article | Aug. 16, 2021

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

Top 10 Courses for System Administrators

Article | July 27, 2021

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.

Cryptography Tools and Techniques

Article | April 09, 2021

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.

How Data is Delivered

Article | March 18, 2021

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.

Fundamentals of Red Hat Enterprise Linux

Webinar – Recorded | March 09, 2021

For organizations getting started with RHEL, Red Hat Training has developed a series of courses to develop the skills needed for basic administration and configuration of Red Hat Enterprise Linux. These courses introduce key command line concepts and enterprise-level tools, laying the foundation for the rapid deployment of Red Hat Enterprise Linux. The curriculum also introduces the basic administration skills needed for resolving configuration issues and integrating Red Hat Enterprise Linux systems with other existing environments. View the slide deck>>

A Beginner's Guide to Encryption

Article | March 05, 2021

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. 

What is a LAN and Four Other Types of Area Networks

Article | March 05, 2021

Learn about the five types of area networks.

18 IT and Business Certifications Worth Having

Article | Jan. 11, 2021

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.

How ITIL® Differentiates Problems and Incidents

Article | Nov. 05, 2020

What’s the difference between incidents and problems? This article explains the differences between these ITIL® concepts, how they are related, and why it matters.

Six Tips for Passing a Microsoft Certification Exam (from Someone Who Hates Taking Tests)

Article | Oct. 13, 2020

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