What's more important than IP and routing? Well, Layer 2 is much more important when it's broken. Many people don't have the Spanning Tree Protocol (STP) (define) knowledge necessary to implement a...
Continuing our journey, it's time to take a trip up the OSI Reference Model, and learn what this mysterious thing is all about. The network stack is of great significance, but not so much...
Networks don't work without addresses: Whenever you are sending something, you need to specify where it should go and where it came from. To be an effective network engineer or administrator, you need...
Recently the question was asked: "How would you secure grandma's computer, and how is that different from a corporate laptop?" If you're assuming all employees have the wherewithal to operate a company computer better...