DNS Load Balancing: Round Robin, Geo & Health is part of the Pro tier — advanced networking topics including BGP routing, Zero Trust, DDoS attacks, QUIC, TLS certificate chains, and more.
This scenario covers
How DNS distributes traffic across servers — round-robin A records, TTL-based caching tradeoffs, weighted routing, latency-based routing for global users, and health-check-driven failover with AWS Route 53 routing policies.
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