Technical Services Manager Interview Questions

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If there is one spin lock used for N different thread and each thread has its local variable which is just incremented by 1. If these threads are running all together on N cpus will after say 10 seconds the count of all the local variable be same. different? why?
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Member of Technical Staff

Interviewed at VMware

4.4
Oct 31, 2013

If there is one spin lock used for N different thread and each thread has its local variable which is just incremented by 1. If these threads are running all together on N cpus will after say 10 seconds the count of all the local variable be same. different? why?

Round 1: How autocomplete/suggestions works? Which data structure would you use to solve that? Asked me to write sudo code to add and get method of Tries data structure. Interviewer asked couple of other question related to tries DS.
avatar

Senior Member of Technical Staff

Interviewed at VMware

4.4
Aug 7, 2021

Round 1: How autocomplete/suggestions works? Which data structure would you use to solve that? Asked me to write sudo code to add and get method of Tries data structure. Interviewer asked couple of other question related to tries DS.

Round 4: It was a manager round. Q1) Asked me to explain you previous employer product architecture? Q2) It was puzzle.... You have a flashlight that takes 2 working batteries. You have 8 batteries but only 4 of them work. What is the fewest number of pairs you need to test to guarantee you can get the flashlight on? Q3) Design online retail shop? Functional requirements: Payment gateway, Catalog, Notification system Non Func Req: Highly available, consistent, scalable
avatar

Senior Member of Technical Staff

Interviewed at VMware

4.4
Aug 7, 2021

Round 4: It was a manager round. Q1) Asked me to explain you previous employer product architecture? Q2) It was puzzle.... You have a flashlight that takes 2 working batteries. You have 8 batteries but only 4 of them work. What is the fewest number of pairs you need to test to guarantee you can get the flashlight on? Q3) Design online retail shop? Functional requirements: Payment gateway, Catalog, Notification system Non Func Req: Highly available, consistent, scalable

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