Extreme Networks

Hi, What is the difference between pre-sales and post-sales courses? I am not a partner. Do they have the content of the following courses and their current presale equivalent? Extreme Network Design Professional >> Extreme Networks Design Enginee...

Hi: Is there any equivalence between the previous certifications of Extreme Networks (which have not yet expired) with the current ones? Previous: Extreme NetworksDesign Professional Extreme Networks Solutions Engineer Extreme Certified Specialist ...