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What Kind of Network Am I On?

Article | March 01, 2012

Good question! There are lots of networks, so I’m sorry to say that it depends. Let me explain. The smallest computer-based networks are usually PANs or Personal Area Networks. They can connect a wireless keyboard, mouse, or other devices to a computer. You may find them wirelessly linking a printer to your computer. You may have noticed these all include wireless connections. A PAN most often uses wireless technologies like infrared and Bluetooth, so it is really a WPAN (Wireless Personal Area Network).

What Happens If I Have More Than One Switch With Redundant Links?

Article | Oct. 11, 2012

That depends on their configurations. For example: While it makes very good sense to include redundant physical links in a network, connecting switches in loops, without taking the appropriate measures, will cause havoc on a network. Without the correct measures, a switch floods broadcast frames out all of its ports, causing serious problems for the network devices. The main problem is a broadcast storm where broadcast frames are flooded through every switch until all available bandwidth is used and all network devices have more inbound frames than they can process.

Risk Management with RSA’s Archer GRC Framework

Article | Dec. 05, 2012

Despite an organization's efforts to prevent downtime and avoid compromises, failures will still happen from time to time. How do you plan for failures?

Global Knowledge Strengthens Leadership Team with Appointments of William Garrett to CFO and Jim Gruskin to SVP Strategic Development and Quality

News | April 05, 2019

Global Knowledge Strengthens Leadership Team with Appointments of William Garrett to CFO and Jim Gruskin to SVP Strategic Development and Quality.

The Global Knowledge 2020 Skills and Salary Report is now available

News | Nov. 11, 2020

Download the free 2020 IT Skills and Salary Report. The comprehensive guide to IT salaries, in-demand certifications, skills gaps, professional development and more.