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Quiz: What are the three operational states of a Circuit Breaker pattern?

A Circuit Breaker operates in Closed (healthy), Open (tripped/failing fast), and Half-Open (probing for upstream recovery).

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Oct 25, 2026

Quiz: What is the purpose of an API Gateway (e.g., Kong, Traefik, Envoy) in a microservices architecture?

An API Gateway shields internal microservices by consolidating perimeter concerns: authentication, SSL, rate-limiting, and client protocol translation.

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