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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.
If you’ve been around IT for even a few minutes, you’ve likely heard the acronyms “LAN” and “WAN” used by fellow technicians. But with all of the possible variations of networks—different sizes, different arrangements, and different protocols—how do you tell the difference between a LAN and a WAN and everything in between? The simple answer is one of scope and size.
It should come as no surprise that in this modern era of digital data we need encryption. But what exactly is it? How do you know what kind of encryption you need? If you were to ask someone what kind of encryption they use, they may respond with a specific encryption-based product, like full-disk encryption. Or they may mention an encryption-based protocol, like HTTPS (HyperText Transport Protocol over SSL). But encryption is much more complicated than that.
If you are considering career options or have been in the workforce a few years and are seeking a career change, you might want to consider training to become a computer support specialist.
IT professionals benefit from gaining skills in data analysis, cybersecurity, cloud computing, virtualization and hyperconvergence, and mobile app development.
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.
The results are in and analysis is complete from our eighth annual IT Skills and Salary Survey. This was our third in partnership with Windows IT Pro and one of the industry's largest with more than 11,000 North American respondents. Download your copy to learn how your salary compares to your peers, whether you have the skills IT decision-makers are looking for and much more
It has been three years since the last revision of the CompTIA Security+ exam. In early summer of 2014, the latest version SY0-401 was released. This revamped exam retains the same six domains as established in SY0-301, which emphasize security in three main areas: application, data, and host. New topics add attention and focus on cloud computing and mobile devices, while greater emphasis has been added to incident response and physical security. In your efforts to prepare for SY0-401, it would be a good idea to pay special attention to the new topics and issues added for this latest revision.
Often, we don't have time to learn the reasons behind the standards we use. But learning what instigated a standard goes a long way toward not only understanding its importance, but also more easily and effectively applying it in your workplace. In this hour-long webinar, Global Knowledge instructor Keith Sorn will discuss common networking standards and explain how they were determined and why they are relevant. He will fill you in on things like why it's important to use proper color-coding standards when making cable and why the length limitations on wired cable are essential. He will also explain new standards, such as power over fiber.
In the spring of 2013, Cisco announced major updates to their Cisco Certified Network Associate (CCNA) curricula, including a new version of the CCNA Routing and Switching exam (200-120 CCNA). This paper provides a review of the CCNA Routing and Switching exam's critical concepts, as an aid to students preparing to pass the latest version of the CCNA Routing and Switching exam.