Software Infrastructure Interview Questions

3,728 software infrastructure interview questions shared by candidates

High level design(design web crawler ) Behavioral (Leadership, Disagree, Team collaboration ) coding 45 mins(2 questions) leetcode easy to medium coding 45 mins(2 questions) move zero to end, dot product(optimal solution with hash map)
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Software Engineer, Infrastructure

Interviewed at Meta

3.5
May 8, 2022

High level design(design web crawler ) Behavioral (Leadership, Disagree, Team collaboration ) coding 45 mins(2 questions) leetcode easy to medium coding 45 mins(2 questions) move zero to end, dot product(optimal solution with hash map)

Puzzle question: There is an infinitely long straight line. On top of that line, there are infinite balls placed. There is equal spacing between the balls. The balls are either moving left or right with equal speed. Any collision between balls will be perfectly elastic. Determine the number of collisions.
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Infrastructure Developer

Interviewed at Greenland Investment Management

2.9
Oct 22, 2024

Puzzle question: There is an infinitely long straight line. On top of that line, there are infinite balls placed. There is equal spacing between the balls. The balls are either moving left or right with equal speed. Any collision between balls will be perfectly elastic. Determine the number of collisions.

1. What are the 7 OSI layers? 2. What is BGP protocol what is it used for? 3. What is a VLAN and what is it used for? 4. What monitoring applications have you used? 5. What is your experience troubleshooting network issues?
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Infrastructure Engineer Senior Specialist

Interviewed at The Cigna Group

3.5
Oct 19, 2016

1. What are the 7 OSI layers? 2. What is BGP protocol what is it used for? 3. What is a VLAN and what is it used for? 4. What monitoring applications have you used? 5. What is your experience troubleshooting network issues?

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