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Architect a key-value store for distributed systems.

Design a system for managing a distributed caching layer.

Design a system for managing a distributed time series database.

Could you discuss the challenges presented by the curse of dimensionality and how you'd tackle them?

Design a system for real-time traffic monitoring and routing.

How would you write a function that wraps text into lines of a certain length, breaking only at spaces?

Architect a real-time geolocation tracking system.

Can you mention a selection of optimization algorithms you're versed in? How would you go about optimizing a scenario with an extremely large variable set, say a million? How does the simplex method facilitate solving linear optimization problems?

Describe the components and design principles you would incorporate into the Bing image search architecture.

Would you mind explaining how to distinguish between variance and bias in a model's errors?