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If you do want to get a bit of more personalized help, find a question or two to answer until you have 20 rep, and then come join is in the SuperUser chat room, where several of the regulars hang out and are often happy to help with software / hardware recommendations here and there when we have time.
It's arguable that it gets to be obsolete, but the distinction I'd draw is that 4 years down the road, the answers should still be correct-ish, regardless of how often they're referenced. (This is also why we don't want link-only answers - links go dead rather quickly in the grand scheme of things as well)
I could possibly see a "How to identify unknown ports?" question fitting here, though I surmise the real answer is "Read the manual that came with your device."
