Good there's another one that he is the are the self study guides which is kind of similar to this season as elf-study which I want to say is the season I preparation library sewed they separating the two into two different categories where this one is learning the topics and then this one is preparing for the exam so the book said that we have here is the one that specifically geared towards the actual exam this one here the preparation libraries little bit a little bit 200-120 more general that focuses more just and the technologies have networking and you could use this to prepare forth exam but like I said the other one is a little bit more focused towards the I like the form into the actual questions another thing that a lot of people use is different types of practice questions our practice exams flashcards you'll find that there's a couple CD's that are in this book set they go through pressed practice exams this is going to basically be your very last up in the other preparation for the exam so maybe the week or two before you schedule.

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