I passed with a 322 which is not great at all, but I feel is fair based on how well I felt about the material. I have an undergraduate and graduate level degree so I am no stranger to test taking, but there is a difference in feel to this cert test. It is almost like they try to cram 15 questions into one question.
One of the biggest helps was from a fellow forum user "Scott" who helped me change my approach to the questions by trying to narrow down what the test question is actually testing you on. I was guilty of tunnel vision on a few key words which clouded my logic and distracted me from being able to focus in on what is really be tested.
The blueprint and the official Study Guide that I had were good for exposing you to the foundation topics, and probably account for maybe 30% of the questions. So knowing the material here is a 100% must, but it is by no means close to enough to prepare you for the other 70% of the questions. The blueprint also correctly provides the topics that will be covered but these topics are so broad expect to know them in detail.
I would say the other 70% questions are the ones that ruin everyone. My guess is there are two reasons for not answering these questions.
One is the test taker does not know the topic well enough to exclude all the incorrect answers. The second reason is that there is material in the question that test taker simply has never even dealt with because they did not either experience it in a lab, real world or even the documentation.
There are some lower level API pathing questions and cli level answer possibilities that were new to me. You also better be comfortable with resources and shares. By comfortable look at share values and calculate their weights on the fly and know how their setting could impact every other possible aspect of vmware from starting VM's to DRS.
The vmware practice exam included here was very indicative of the sample test questions, while several of the tests I tried on all but one third party sites were garbage. Use good sample test to get familiar with how the questions work, but don't just sit recycling test questions thinking that this is educating you on the material. Seriously don't do this.
I don't see how it is possible for anyone to know the details of all the material that is covered so I think there is also a bit of luck in the bank of questions that you get.
For those of you still struggling I would say that the test is obviously doable since I passed, but you have to get in the correct mindset and find the magic combination of material to memorize.
Good luck everyone.