As a holder of many technical certifications every few months I have to renew some.
When possible I try to renew the certifications with a new track instead of doing the newer version of the exam I’ve already done.
Four exams are availale to upgrade, I choose HP2-Z31 - Creating HP Software-defined Networks because I hear a lot about SDN but I had not the opportunity to explore this topic yet.
To prepare the exam I used the official study guide from HP Press.
The book is well written, very clear and complete, I needed to search some topics on Google just a few times for a better understanding of the concepts.
I really liked the final chapter about Mininet and how to use it to do labs with OpenFlow.
I recommend this book to those interested in SDN and want a good starting point to explore the topics.
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