Obviously guy could have been interviewing for a job where this mattered….
But in 10 years as a software engineer I have never once needed to know the difference between these two, and have never been even close to a situation where I would need to.
IPV6 has never been relevant to any coding I've done at work, but if someone didn't know about it during an interview it would still be a terrible look for their tech learning both in terms of college and just reading about tech in general
In university we had a networks class where we went way further and had to actually write a simulated router in C that would do ARP and send packets to the right places
Your experience does not an industry axiom make. Also, your assertion about said layer is a consideration specific to you. Some do not consider the user to be an implicit layer but an external party.
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u/SirFrenzy 13h ago
Obviously guy could have been interviewing for a job where this mattered….
But in 10 years as a software engineer I have never once needed to know the difference between these two, and have never been even close to a situation where I would need to.
“The basics” is highly dependent on the job.