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Found 212 results for "REST API & Web Services"

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❓ Quiz Question

Aug 30, 2026

Quiz: What is the difference between a Liveness Probe and a Readiness Probe in Kubernetes?

Liveness probes restart failing containers; Readiness probes temporarily remove unready containers from Service endpoints.

#Kubernetes Operations #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

Quiz: What is a Kubernetes Ingress resource?

Ingress manifests declare external URL routing rules managed by an Ingress Controller (e.g. Nginx).

#Kubernetes Operations #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

Quiz: What does a Pod Lifecycle status of `CrashLoopBackOff` mean?

CrashLoopBackOff indicates application code crashes immediately upon execution.

#K8s Orchestration #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

Quiz: What does `kubectl port-forward pod/<name> 8080:80` command do?

… direct local access to Pod ports without exposing services publicly.

#K8s Orchestration #Quiz #Interactive

❓ Quiz Question

Oct 25, 2026

Quiz: In Event-Driven Architecture (EDA), what differentiates a message queue (RabbitMQ) from a distributed commit log (Apache Kafka)?

RabbitMQ is a traditional smart broker that routes and removes acknowledged messages. Kafka retains immutable event streams where multiple consumer groups replay from offsets.

#Microservices & Distributed Systems #Quiz #Interactive

❓ Quiz Question

Oct 25, 2026

Quiz: What is the purpose of the Circuit Breaker pattern (e.g. Netflix Hystrix / tenacity) in microservice meshes?

A Circuit Breaker monitors failure rates. When failures exceed a threshold, it trips to OPEN state, failing immediately without exhausting server connection pools.

#Microservices & Distributed Systems #Quiz #Interactive

❓ Quiz Question

Oct 25, 2026

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).

#Microservices & Distributed Systems #Quiz #Interactive

❓ Quiz Question

Oct 25, 2026

Quiz: Why should every microservice maintain its own dedicated private database ('Database-per-Service' pattern)?

Database-per-Service guarantees domain boundaries and prevents tightly-coupled shared database schema locks or cascading schema migrations.

#Microservices & Distributed Systems #Quiz #Interactive

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