Going for 640-554, a few questions..

osJoeosJoe Member Posts: 61 ■■□□□□□□□□
Hello everyone! I'm looking to go for the new CCNA Security exam. I understand that I can lab most of what I will need through GNS3 and use the book for the rest.. However, I am wondering with the new exams which IOS version should I lab with. Thanks for any help.


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