Yep, for every person who says they haven't touched osi in a decade, there's someone studying the topic either at a school or for a vendor certification. And f

Yep, for every person who says they haven't touched osi in a decade, there's someone studying the topic either at a school or for a vendor certification. And for every "the bottom layers are worthwhile", there's a network engineer applying for a job with some leetcode like tool asking them about layer 5.