Microservices Messaging Architecture
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Questions and Answers

What is a characteristic of Monolithic architecture?

  • Simple and lightweight messaging mechanism
  • Synchronous Messaging
  • Asynchronous Messaging
  • Webservices with several dozens of operations and complex message schemas (correct)

    • What is an advantage of Microservice architecture?

  • Centralizes business logic in a central message bus/ESB
  • Requires a single, unified interface for all services
  • Eliminates the need for messaging protocols
  • Moves the 'smart-ness' or business logic to the services and client (correct)

    • What is an example of a protocol used in Synchronous Messaging?

  • MQTT
  • STOMP
  • REST (correct)
  • AMQP

    • What is a format used for defining service interfaces?

    <p>Swagger</p> Signup and view all the answers

    What is a characteristic of Asynchronous Messaging?

    <p>Client doesn't expect a response immediately, or not accepts a response at all</p> Signup and view all the answers

    What is the goal of refactoring service boundaries?

    <p>To make them smaller based on business requirements</p> Signup and view all the answers

    What is the purpose of compensating operations in a microservices architecture?

    <p>To fulfill mandatory transaction requirements</p> Signup and view all the answers

    What is the main goal of designing for failures in microservices architecture?

    <p>To ensure an unresponsive microservice does not bring the whole system down</p> Signup and view all the answers

    What is the purpose of the circuit breaker pattern?

    <p>To prevent a faulty microservice from causing cascading failures</p> Signup and view all the answers

    What is the main difference between inner and outer architecture in microservices?

    <p>Inner architecture is used for microservices components, while outer architecture is used for platform capabilities</p> Signup and view all the answers

    What is the main advantage of using microservices architecture?

    <p>It allows for fault tolerance and recovery</p> Signup and view all the answers

    What is the recommended approach to orchestrating microservices?

    <p>Orchestration at the microservices layer</p> Signup and view all the answers

    What is a characteristic of decentralized data management in microservices?

    <p>Each microservice has a private database only accessible through its service API</p> Signup and view all the answers

    What is a challenge when migrating from a monolithic system to a microservices-based system?

    <p>Updating multiple databases for a single transaction</p> Signup and view all the answers

    What is the primary concern of governance in a microservices-based system?

    <p>Establishing and enforcing how people and solutions work together</p> Signup and view all the answers

    What is a key difference between monolithic applications and microservices-based systems?

    <p>Monolithic applications use a centralized database</p> Signup and view all the answers

    How do you update the databases of other microservices in a decentralized system?

    <p>Through the service API of the respective microservice</p> Signup and view all the answers

    What is a benefit of using API-Gateway style inter-service communication?

    <p>Simplifying communication between microservices</p> Signup and view all the answers

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