No problem. The certifications route in particular is one I took while still in the IT only part of my career. Lynda.com resources have been useful recently for shoring up some other skills.

Amusingly shortly after this post, my ISP suffered their first major outage I've seen with them in 2 years. Some sort of peering failure knocked their entire service area in the Seattle region offline. Was fun to troubleshoot even though it wasn't my issue to solve. Reminds me of an old coworker who would still see and poke at network routing issues he spotted at his former employers. Response time from the ISP was about 30 minutes on fixing it up, which for this type of outage was impressive to see.

My own networking skills are what I'd rate intermediate. I usually know when to go engage the CCNA or other appropriate network specialist after doing basic diagnostics on the situation. It was nice working in environments that combined a lot of good specialists into a cohesive team, picked up so much from those situations.