Cisco Intern - Software Engineer interview questions

The interview steered in the direction of System Design. I had to design and develop an app that was meant to be a competitor to Instagram. I was given about 5 minutes to think it through and come up with a basic architecture. After I explained my architecture, I was asked a follow-up question about delay handling in case of distributed systems, and I wasn't able to answer it correctly as I had not dealt with such systems in the past.

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