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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.
To help you stay ahead of the game, here are ten IT skills that are on the brink of extinction.
Let's look at 10 ways the cloud will change (and to a large degree already has changed) the world.
If you want to stay relevant as an IT professional, you have two choices: evolve your current skills or make a big change.
Having a breadth and depth of skills -- especially on new and emerging technologies -- can only weigh in your favor.