Who this book is for-People preparing for the Apache Cassandra Developer Associate exam.-Developers willing to acquire a certification in the most popular NoSQL wide-column store.-Those looking to pass with minimal risk the latest $145 DataStax certification exam.This book contains two original and high-quality practice tests with 60 questions each. They help you practice for DataStax Academy's proctored certification exam, to become a certified Apache Cassandra Developer Associate.-Each practice test has 60 questions that you can time for 90 minutes, for 70% passing score - just like the real exam.-Domains mapped to areas from the recommended courses: Architecture, Data Modeling, CQL.-All questions are original, with detailed explanations and references.-Questions closely emulate those from the actual exam, without duplicating them.-Same level of difficulty as the latest exam questions, changed in mid-2020.-Unlike the real exam, you'll know right away what questions you missed, and what the correct answers are.-Detailed explanations with external references for any possible choice, in all practice test questions.-Just like the actual exam, all questions are all single-select, with four possible choices to select from.-DataStax can provide vouchers to try and retry their exam for FREE, after watching some of their videos. -Otherwise, the list price has been cut down to $145 US.This is not an introduction to Apache Cassandra 3 or DataStax Enterprise 6, as you should already have some prior basic knowledge on the product. Follow the previous link and use also the DataStax Academy's recommended materials for this exam.The live interactive version of this e-book has been implemented on Udemy as a course, with the "Become a Certified Cassandra Developer: Practice Exams" title.