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by lucb1e
696 days ago
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An interview question I got (for a security role): "You type www.$company.com into the address bar and press enter. What happens?" After jokingly clarifying they were not interested in the membrane keyboard interactions, they were more than satisfied with an answer explaining recursive DNS resolution, TCP and TLS handshakes, the HTTP request itself, and I think from there we got sidetracked. They also asked about document file upload risks because that was a particular concern in their application. I didn't think of the specific answer they wanted to hear, but after giving me the keyword XXE, I could explain it in detail which was also sufficiently satisfactory so far as I could tell. Fun interview overall. In interviews I've done, we only looked for culture fit because the technical part was a coding assignment they had already done. Honestly too big an assignment since it's uncompensated (not my decision), but to my surprise nobody turned it down -- and everyone got it wrong. Only n=3 or n=4 iirc but those applying for a coding position could not loop through a JSON-lines file too big to fit in RAM (each line was a ~1kb JSON object, but there's lots of lines) and sum some column from each JSON object into a total value. The solutions all worked to some degree, but they all chopped up the file, loaded the first chunk into RAM, and gave an answer for that partial dataset only. |
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