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8,146 system interview questions shared by candidates

Azure Landing Zone, Networking concepts, Have you used Nat gateways and when, How are Express Routes laid down in customer premises, How are hardware Firewalls used onpremise different from Virtual Firewall. Cloud Migration related prior work exp, 3 tier web architecture and how would you optimize the design for cost, performance and availability, DeVOps practices related, Terraform, testing in Terraform,
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System Architect

Interviewed at Visa Inc.

3.8★
Feb 19, 2025

Azure Landing Zone, Networking concepts, Have you used Nat gateways and when, How are Express Routes laid down in customer premises, How are hardware Firewalls used onpremise different from Virtual Firewall. Cloud Migration related prior work exp, 3 tier web architecture and how would you optimize the design for cost, performance and availability, DeVOps practices related, Terraform, testing in Terraform,

First round : hackerrank (multiple choice questions on sql, process scheduling etc) Second round: 30 min technical virtual zoom interview(resume based, sql data structure etc, challanges you faced in hackerrank) what is foreign key, joins etc Third (final round) : two rounds 30 min round 1: technical (one coding question (find out all unique elements from the array , complexity etc) sql questions on joins and primary key, other questions based on skills mentioned in your resume. round 2: behaviour questions (6-8) all questions are related based on the answer of previous question you answer.
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system analyst new grad

Interviewed at Visa Inc.

3.8★
Apr 25, 2022

First round : hackerrank (multiple choice questions on sql, process scheduling etc) Second round: 30 min technical virtual zoom interview(resume based, sql data structure etc, challanges you faced in hackerrank) what is foreign key, joins etc Third (final round) : two rounds 30 min round 1: technical (one coding question (find out all unique elements from the array , complexity etc) sql questions on joins and primary key, other questions based on skills mentioned in your resume. round 2: behaviour questions (6-8) all questions are related based on the answer of previous question you answer.

He asked very specific troubleshooting questions of a multi-GPU multi-node cluster configuration, which may have performance issues, i.e. surprisingly low effective bandwidth in device-to-device communication, even on the same host. Question was what was the most likely culprit. The degree of troubleshooting for an NVIDIA-specific setting was quite high.
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Senior System Software Engineer, NCCL - Partner Enablement

Interviewed at NVIDIA

4.4★
Nov 15, 2025

He asked very specific troubleshooting questions of a multi-GPU multi-node cluster configuration, which may have performance issues, i.e. surprisingly low effective bandwidth in device-to-device communication, even on the same host. Question was what was the most likely culprit. The degree of troubleshooting for an NVIDIA-specific setting was quite high.

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