beginnerLoad Balancing

What is a load balancer? What are its main responsibilities?

Tests whether you know a load balancer does more than just 'spread traffic' — health checks, TLS termination, and failover too.

Ready to design this system end to end?

Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.

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