IP Addressing and Subnetting – Zero to Hero
IP Addressing and Subnetting – Zero to Hero
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As a computer science teacher, I noticed that IP addressing was one of the most intimidating topics for my students, and yet, it’s so simple for those who truly get to understand it.
My goal here was to create a course that is as simple as possible, and therefore, easy to understand for everyone, including those who are just beginning their journey into computer networks. One thing I added (that I haven’t seen in the other courses) is summarization – this topic may not be interesting to beginners, but if you plan on getting familiar with advanced routing techniques, you may want to practice summarization.
I’ll be checking the Q&A section daily, so feel free to ping me if anything’s unclear, or even with an assignment not related to this course.
What is Everything Else?
Everything Else is a product category on Amazon that is meant to be a catch-all for items that don’t fit into any other categories. Over time, as the Amazon catalog has grown and more specific product categories have been added, Everything Else has become less useful and more of a junkyard for cast off and forgotten listings.
Until recently, however.
Why are items listed in Everything Else when they shouldn’t be?
The answer to this is fairly simple. Some sellers are using Everything Else as an opportunity to get around Amazon’s gated category requirements. For example, DVDs with an MSRP of over $25 are now gated Selling certain products and bran… More and require permission to list. So we’ve seen some sellers create new listings in Everything Else to get around these requirements. We’ve noticed similar “workarounds” for other gated or restricted Selling certain product categorie… More categories as well.
Amazon doesn’t like this. It just makes the catalog more of a mess than it already is and ends up creating a worse customer experience.
IP Addressing and Subnetting – Zero to Hero
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