I passed my aws certified developer exam in first attempt. Amazing book. I really appreciate your help. Thank you.

I am currently on the final chapter of this book. If I didn't already possess prior knowledge of certain aspects of computing, such as network infrastructure and software engineering, I may be left in left field with some of the topics addressed. No topic, I feel, is deeply traversed, but is presented to the reader at a high level. With that being said, you would feel that the author might have taken his time in relaying the topics he covers more clearly, and provided the reader with a better understanding. The proof reading of the material presented here, was not carried out thoroughly enough for me to consider purchasing another book by the same author.Take the screenshot I’ve provided from the book on CNAME, for instance. Either the author doesn’t understand how DNS works or this is a poor effort on behalf of the organization in proofreading the content before marketing it to users. Here, in the reference section of the reading where the author is providing an example of where the A record should be pointing, is clearly an inconsistency in the author’s logic. The A record should be pointing to the example.com domain instead of the top-level domain, .com. You can find this in chapter 25, under the sub-title, “CNAME Record Type”, under the section titled, “DNS Record Types”.Another example of ambiguity that I’ll briefly express is shown in the very next chapter, where the author makes reference to Amazon’s ElastiCache for Redis Replication. This can be found in chapter 26, under the sub-title “Amazon ElastiCache for Redis Replication”, under the section “ElasticCache Engine Types”. The author provides contradictory information in stating, “While one shard acts as a read/write primary, the remaining shards act as a read replica”. This statement, in fact should clearly read as follows, “While one node acts as a read/write primary, the remaining nodes act as a read replica”. I’ve included supporting evidence of my statements in a screenshot, which provides a comparison of the statement the author made with information that’s actually included in the AWS documentation on the subject. The link to this page is https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/WhatIs.Components.html#WhatIs.Components.ReplicationGroups.I've found quite a few inconsistencies throughout the entire book with the authors grammar. It's almost as if the author is a foreigner attempting to teach English readers, but he doesn't understand how to properly use the language; using plural forms where they shouldn’t be, irresponsibly comma-segmenting sentences, and overall, this is pretty much a self-translated copy and paste job, with the author extracting the content directly from the AWS documentation. The author clearly doesn't completely understand some of the content he is delivering, as some information is unclear and incomplete. I literally had to reference the AWS documentation for some of the concepts presented in the reading, as the author's delivery was more than ambiguously ridiculous. For this to be an exam prep course, the author mentions minimally about content that is explicitly included or not included on the exam. Did I mention there is no glossary? As suggested by my title, I recommend this book only to serve as understanding what may actually be on the Certified Developer Associate exam and at what depth these topics will be covered, assuming the brevity in which these topics are covered in this book, resembles the depth at which they are expected to be comprehended on the exam. If you are preparing for the AWS Certified Developer Associate exam, I advise you to first attempt to locate the topics that will be covered on the exam and at the depth they will be covered and seriously consider using the free AWS documentation to prepare for your exam, using your findings. Good luck.

It is good book and value for money.

It is not exam oriented. But has decent coverage on almost all services.

Contenidos muy completos.Recomendable para tener una visión global de todo lo que entra en el examen.Fácil de leer