Hello Community, I just got access to the CCIE Security BLS, as we know this one doesn't include NA or NP videos, therefore, I'd like to know if you can pass the written exam only by watching the CCIE Security (4.0) Lab Preparation and Lab Essentials VoDs? Or if I should buy and watch the NP VoDs to get a better understanding?I remember when I read for the first time the CCIE R&S Written Exam Preparation Guide, it was like starting from scratch, this is why I'm asking if these videos will cover all what I need. Based on your experience guys, what do you recommend me to do?Also, how many rack rental hours approximately you need for Volume 1? I'm trying to make a budget for it. Thanks in advance,Wilberth
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