Zephyr Professional Practice Test

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Which of the following statements about microservices is true?

They are large, monolithic applications
Services should embrace failure and faults
They require a dedicated hardware environment
Applications must run on a single server

The correct answer is: Services should embrace failure and faults

The statement that services should embrace failure and faults is a fundamental principle of microservices architecture. This concept emphasizes that systems should be designed to handle failures gracefully since failures are inevitable in complex distributed systems. By allowing services to embrace failure, they can implement strategies such as circuit breakers, retries, and fallbacks, which improve system resilience and user experience. This mindset encourages developers to build robust applications that can continue to function even when individual components fail, ultimately leading to a more reliable system. Regarding the other options: microservices are specifically characterized by being lightweight and not monolithic, which means they are broken down into smaller, independently deployable services rather than being large, monolithic applications. They also do not require a dedicated hardware environment; they can be deployed in cloud environments and on various hardware setups. Furthermore, applications built with microservices architecture are designed to run across multiple servers and can scale horizontally, rather than being constrained to a single server.