Your question is Maintaining High Availability. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How do you manage and maintain high availability in a distributed system?
Explain how you would design and operate a distributed ML system that remains available during instance, zone, dependency, deployment, and model-serving failures. Cover architecture, redundancy, failover, graceful degradation, observability, testing, and recovery objectives.
