self join with grouping SQL
Infrastructure Engineer Interview Questions
3,729 infrastructure engineer interview questions shared by candidates
What is the formula for pooled variance (yes they expect you to know the actual formula from memory)
What are the formulas for recall, precision, false positive rate, etc
Q: Given a matrix, find the amount of ones in a given submatrix Q: Given an arthemetic string return the answer
validate a string to have valid parenthesis, how many characters needed to correct the string. Second one is extended from the first question with 2 closed parenthesis instead of one.
If Meta sought to deploy network infrastructure in X country, what would it need to consider before doing so?
Don't remember exactly, but just basic questions in general.
python palindrome
When Google first started, you would type in the search phrase and get the results. But now, when you start typing, Google gives you auto-completion suggestions for your query. Design such a system. (Has nothing to do with the job description, requirements, and I have never done anything like that, and the interviewer expected not just good effort, but actual knowledge of how such a system is done, with billions of users doing billions of queries at the same time around the world).
Describe a difficult task and how you resolved it.
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