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Found 33 results for "Microservices"

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❓ Quiz Question

Oct 25, 2026

Quiz: Why is gRPC often preferred over REST/JSON for high-throughput internal microservice-to-microservice communication?

gRPC leverages HTTP/2 streaming and compact binary Protocol Buffers , eliminating JSON parsing overhead and connection head-of-line blocking.

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❓ Quiz Question

Oct 25, 2026

Quiz: What is the primary role of a Protocol Buffers (`.proto`) definition file in gRPC architecture?

.proto files act as the single source of truth IDL, compiling via protoc into type-safe client stubs and server interfaces across languages.

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❓ 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.

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❓ 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.

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❓ 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).

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❓ 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.

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❓ Quiz Question

Oct 25, 2026

Quiz: In Celery distributed task architecture, what is the role of the Broker versus the Result Backend?

The Broker delivers task invocation payloads to worker queues; the Result Backend stores async return values, exceptions, and task states.

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❓ Quiz Question

Oct 25, 2026

Quiz: What is a 'Celery Chord' in distributed task orchestration?

A chord consists of a header task group executed in parallel, followed by a callback task that triggers only after all header tasks succeed.

#Microservices & Distributed Systems #Quiz #Interactive