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Dancing Bear Rock & Mineral Collection Activity Kit (200+Pcs) with Geodes, Shark Teeth Fossils, Arrowheads, Crystals, Gemstones for Kids, Rock Book, Treasure Hunt ID Sheet, STEM Education, Made in USAFREE FAST (2 3 DAY) SHIPPING WITHIN USA, DANCING BEAR SHIPS SELLER FULFILLED ORDERS EVERY WEEKDAY !! BEST Rock, Gem & Mineral Collection ACTIVITY KIT includes over 200 pcs with full color educational identification sheet for STEM based learning. Dont be fooled by National Competitors kit as their photos and fancy packaging are misleading and their contents are inferior and made in China. FIND, SORT & IDENTIFY HAND SELECTED HIGHEST QUALITY rock and
- 🚀 FREE FAST (2-3 DAY) SHIPPING WITHIN USA, DANCING BEAR SHIPS SELLER FULFILLED ORDERS EVERY WEEKDAY🏃 🚚 ✈️ !!
- ✔️BEST Rock, Gem & Mineral Collection ACTIVITY KIT includes over 200 pcs with full-color educational identification sheet for STEM-based learning. Don’t be fooled by National Competitor’s kit as their photos and fancy packaging are misleading and their contents are inferior and made in China.
- ✔️FIND, SORT & IDENTIFY--HAND-SELECTED HIGHEST QUALITY rock and mineral TREASURES are mixed with clean gravel so you can discover and identify like a real ROCK HOUND! Favorites include amethyst, quartz, tiger eye, jasper, goldstone, calcite, turquenite and many others. Contents may contain naturally occurring dirt/sand and may be rinsed.
- ✔️BONUS: 2 Easy Open GEODES with crystals inside, fossilized SHARK teeth, pumice (floating rock) and ARROWHEADS! CAREFULLY ASSEMBLED IN THE USA by our team in Eugene, Oregon and we DONATE 10% of profits to charities.
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4.7 ★★★★★
Based on 1232 reviews
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Product Reviews
★★★★★ 5
Domain Names...Serves us!
Format: Paperback
This is the most complete and must-have DNS book i've ever seen before. Nor only prepares you to understand every basic and some advanced issues about DNS, it also shows a lot of "tricks" with the most powerfull and well know - famous DNS implementation!: BIND.
If you are a beginner in the DNS world, this is a good step towards become an expert, if you're already an expert this guide will surely show you a lot of useful information in your daily DNS administration problems.
Definitely, this was one of my best investments on my way to become a site administrator.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2011
★★★★★ 5
Thicker than I anticiapted
Format: Paperback
The encyclopedia of DNS books, meaning thicker than a phone book.
I like the fact that this book is thick but so easy to read and follow along with. If you know nothing about DNS, this book makes it easy to learn about DNS. It starts with the history of DNS and then explains the hierarchy of the DNS tree. A must read if you want to improve your understanding of the internet and what happens under the hood for name resolution.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2014
★★★★★ 5
Best practical book on DNS and how it works
Format: Kindle
I was interested in finding out more about how DNS is deployed and operated in practice. The first few chapters in this book deliver very well in this regard. My motivation was to find out more about how a certain type of Internet attack -- the "open DNS resolver attack" -- works. Even though this book was written well before this attack became popular and well known -- and therefore the attack is not mentioned, let alone analyzed -- the book was still quite helpful to me.
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Reviewed in the United States on June 1, 2014
★★★★★ 5
DNS reference
Format: Paperback
The book arrived in perfect condition. This a reference of dns related knowledge.
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Reviewed in the United States on July 11, 2024
★★★★★ 5
One of the best books I've read on DNS and BIND
Format: Kindle
DNS is one of those concepts that is almost kept in mystery in the tech world. The knowledge seems to be passed by word of mouth, and there doesn't seem to be one good repository to go to as an information source. That is not to say that this book is all inclusive, no book can contain every piece of knowledge you need/desire, especially on such a complex topic. This book however does a phenomenal job of demystifying the subject and giving a good, practical understanding of how DNS and BIND work.
I would highly recommend this book to anyone, whether it be the new network/sys admin who has just had complex networking needs dropped on his lap, or even the seasoned network admin who needs a good convenient reference on occasion.
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Reviewed in the United States on May 11, 2013
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