While I understand and do believe it's important to understand some things about computer science in general, to think that someone pretty much can't be a good developer if they don't know those things, then you're flat out depriving yourself of some really good developers. Some of the best developers I know couldn't explain that stuff to you yet I know they can make a damn good app that runs fluid and has a lot of optimizations. But because they don't know all the low level stuff of DNS they should not be hired? Who ever thought of this for developers is part of the big issue developers face right now in interviews.
I will admit I do ask "open ended" questions sometimes just to see how you think. No right or wrong answer. It also doesn't make or break an interview. I'm just interested in seeing how they "think" how they might go about thinking of a solution.
But in general, if I'm not interviewing for a job that is super network or low level code intensive, then asking me low level computer questions is flat out a waste of time. Cool they know how a DNS server works. But can they actually solve that issue of needing another React Expert? Answering that question doesn't tell you any of that.
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While I understand and do believe it's important to understand some things about computer science in general, to think that someone pretty much can't be a good developer if they don't know those things, then you're flat out depriving yourself of some really good developers. Some of the best developers I know couldn't explain that stuff to you yet I know they can make a damn good app that runs fluid and has a lot of optimizations. But because they don't know all the low level stuff of DNS they should not be hired? Who ever thought of this for developers is part of the big issue developers face right now in interviews.
I will admit I do ask "open ended" questions sometimes just to see how you think. No right or wrong answer. It also doesn't make or break an interview. I'm just interested in seeing how they "think" how they might go about thinking of a solution.
But in general, if I'm not interviewing for a job that is super network or low level code intensive, then asking me low level computer questions is flat out a waste of time. Cool they know how a DNS server works. But can they actually solve that issue of needing another React Expert? Answering that question doesn't tell you any of that.