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An IT certification is a recognized benchmark mapped to a specific skill set based on standardized testing. A certification demonstrates your dedication, motivation and technical knowledge on a specific platform.

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

Most Internet users don't realize that often a website or other service that seems slow to respond is actually working fine. Instead, it’s the resolution of DNS that is putting a glitch in your giddy up. Fortunately, there are several steps you can take to optimize your DNS to get better performance.

HR and IT managers, if you're losing top talent and having trouble attracting quality candidates, the no. 1 reason is that they don't see a future with you. If you're not leveraging professional development, here are a couple tips to start.

Learn how to boost your visibility on LinkedIn by listing your skills and certifications and leveraging the courses you’ve taken for professional development. This is especially important to catch the eyes of recruiters and when applying for jobs.

Learn about the five types of area networks.

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

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:

As IT departments struggle with skills gaps and businesses attempt to recovery economically from the COVID-19 pandemic, these 10 IT skills are essential to drive success. Job roles in these areas pay well, but decision-makers are struggling to find qualified candidates. If you’re looking to make an IT skills investment or start a new career path this year, these are the areas to consider.

These technology job roles are proven to be essential during a crisis as enterprises scramble to change strategies and meet goals. The skills demonstrated by IT professionals in these 10 positions can make the difference between business success and failure, especially during a recession.

While cybersecurity remains the most popular certification category in our IT Skills and Salary Report, foundational-level certifications highlight our list of the most popular IT certifications of 2020. 

If you’ve been wondering what are some good IT pranks for April Fools’ Day—or any other time of the year—this is the post for you. Whether you’re an IT pro with decades of experience or a noob who is about to learn that holding CTRL+SHIFT+ESC is a faster way to access the task manager (you’re welcome), we have an IT prank for you.

For women in IT, advancing your career can be a challenge in itself. In the Global Knowledge 2019 IT Skills and Salary Report, only eight percent of senior- and executive-level IT professionals are women. We have pulled data from our research that sheds light on the job roles, skills, challenges, certifications and experience of women in tech who have progressed to the highest levels of an organization.

According to the Global Knowledge IT Skills and Salary Report, women make up 16% of the tech workforce, and an even smaller percentage (8%) are at the senior or executive level. Here’s an overview of the most popular and most pursued certifications by women in tech.

IT organizations could benefit from degree deflation. By deemphasizing college degrees during the hiring process, an open pipeline to more candidates could emerge, leading to diminished skills gaps and potentially lower payroll.

Global Knowledge subject matter experts predict the top trends for 2020 in IT training, Microsoft, Cisco, AWS, cybersecurity and more.

Explore how IT decision-makers’ training views have changed since we first released our annual IT Skills and Salary Report 12 years ago. Once viewed as an expense, IT leadership now sees professional development as an investment. Even with shrinking budgets and a recent rise in skills gaps, the value of training is currently at an all-time high.

Looking ahead at new and emerging certifications provides insight into the areas deemed valuable in the IT industry. If you are an early adopter or in a position where you need to show that you have the bleeding-edge expertise of a technology, this list of recent and upcoming certifications is for you. 

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.

In this informative webinar, you will learn about the popular and overlooked ways organizations and professionals can purchase training to become more resilient. 

In support of software-defined networking, Cisco has introduced several products to strengthen networks and meet the increased demand for flexible and cost-efficient solutions. The Cisco SDN solution in the data center is ACI. Outside the data center the primary Cisco solution is DNA.

The CCNAX - CCNA Routing and Switching Boot Camp is a great option to obtain Cisco Routing and Switching skills while pursuing the CCNA Routing and Switching certification. 

Software-defined networking (SDN) is a solution that will enable your organization to meet the demands of network programmability and automation. The result will be greater network agility to support new applications while complying with increasing security needs.

The traditional network engineering model of configuring one device at a time simply doesn’t scale to the growing needs of today’s network. Cisco's intent-based networks and software-defined networking solutions will enable your organization to meet the demands of network programmability and automation. The result will be greater network agility to support new applications while complying with increasing security needs.

We asked for your top IT horror stories, and you delivered. Read the most unexpected and cringe-worthy IT nightmares from fellow IT professionals.

Technology trends such as these show no signs of abating, and IT administrators need to be prepared. Having a well-rounded and versatile team of IT practitioners is becoming increasingly necessary. In the following article, we examine five key skills that every IT department should have covered, regardless of the size of the company.

In the digital age, people and intellectual property have supplanted physical assets as the most important criteria for determining the value of an organization. It is the employees who develop the next big product or improve the practices, processes, services and internal culture that add significant value to an organization.

The process of subnetting is both a mathematical process and a network design process. Mathematics drives how subnets are calculated, identified, and assigned. The network design and requirements of the organization drive how many subnets are needed and how many hosts an individual subnet needs to support. Binary basics and IPv4 address structure were covered in part one of this two-part paper.

For 10 years, Global Knowledge has surveyed IT professionals and published the findings in our annual IT Skills and Salary Report. With topics ranging from top-paying certifications to most in-demand skills, our reports have consistently provided a deep examination of the attitudes and opinions held by IT professionals around the globe. With a decade of reporting at our fingertips, we decided it was an appropriate time to dissect the views of those making the decisions in the tech industry. What are their biggest challenges? How have their training opinions changed over time? How do their actions affect staff?

This article addresses non-technical skills you need to do to be a success in IT.

There are many career pitfalls in the IT field, especially if they are clearly outlined in an employee handbook.

IT professionals benefit from gaining skills in data analysis, cybersecurity, cloud computing, virtualization and hyperconvergence, and mobile app development.

Creativity is the “due diligence” of effective problem analysis. It is through creativity that the best possible solution for a problem is discovered. Without creativity, decisions are often one-dimensional, superficial, and near-sighted.

This webinar introduces the concept of resilient leadership. Leaders who can adapt not only support their organizations through ongoing change, but they also maintain high- performing and engaged teams in the process

What were the top paying IT and project management certifications for 2016? his article will help you answer both questions by providing a review of the 15 top-paying certifications.

The benefits of a RADIUS server are many. In addition to speed, you receive heightened security with user access monitoring, reporting and tracking functions and personalized restrictions. Setting it up costs less than $60 and this white paper walks you through each of the steps, settings, configurations and the equipment you will need.

Business processes are complicated, and mapping them is not a trivial task. Modelling standards give us the tools to model complex processes, but they do not tell us the best way to approach a model or effectively use the tool. In this hour-long webinar, Global Knowledge instructor Rod Fage will guide you through the best way to develop a model, from determining the goal and scope of the process and measuring its effectiveness, to modelling the process in a hierarchical top-down approach, enabling business analyst to continuously validate the model.

CompTIA has raised the bar for Network+ candidates. The new certification exam has significant changes to the five "domains" or knowledge areas with new content related to security, cloud, data-center and operational concerns and troubleshooting. There is also a greater emphasis on wireless networking and VoIP. Use this white paper to help you gain an overview of what's new and what's different.

Despite advances in security, hackers continue to break through network defenses. In this hour-long webinar, network security specialist Catherine Paquet will examine the favorite methods and targets of hackers and will introduce you to the different categories of security technologies. In this foundational presentation, you will learn about the benefits of security solutions such as firewalls, VPNs, IPS, identity services and BYOD.