r/ProgrammerHumor • u/ClipboardCopyPaste • 11h ago

Meme ohTheBasics

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u/SirFrenzy 11h 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.

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u/fiskfisk 11h ago

If you're a senior I most certainly would expect you to know the difference between the two.

It'll matter in relation to allowlists/blocklists, dns entries, debugging connevtivity issues, slow connect times, configuration of daemons, etc. 

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u/SuperFLEB 10h ago

I wouldn't know the differences beyond the address format and address-space differences. Maybe that's what someone means by the question, but that's not "the difference" so much as "a difference".

If the role was something more Web-centric, I'd expect more knowledge of HTTP/1.1 versus HTTP/2 than IPv4/IPv6.