Microservices Architecture Concepts

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Questions and Answers

What is the primary role of the Gateway component in a microservices architecture?

  • To provide a single entry point for external clients, routing requests to the appropriate microservice. (correct)
  • To monitor the health and performance of individual microservices.
  • To manage inter-service communication using gRPC.
  • To handle data persistence and database transactions for all microservices.

Which communication style is typically favored within the internal network of a microservices architecture, especially for operations requiring synchronous responses?

  • Message queues using AMQP.
  • Remote Procedure Call (RPC) mechanisms like gRPC. (correct)
  • Event-driven communication through a central event bus.
  • RESTful APIs over HTTP.

In a microservices environment, what is the main advantage of using asynchronous messaging (e.g., message queues) for inter-service communication?

  • Ensuring immediate and real-time data consistency across all services.
  • Simplifying error handling and transaction management across service boundaries.
  • Enabling loose coupling and increasing system resilience by decoupling services. (correct)
  • Providing stronger security guarantees and access control for sensitive data.

What does 'loose coupling' refer to in the context of microservices architecture?

<p>Services are independent and can be developed, deployed, and scaled independently. (D)</p> Signup and view all the answers

Which strategy is most suitable for managing data consistency when a transaction spans multiple microservices?

<p>Using the Saga pattern with compensating transactions. (C)</p> Signup and view all the answers

What is the primary purpose of service discovery in a microservices architecture?

<p>To enable services to locate and communicate with each other dynamically. (D)</p> Signup and view all the answers

Which deployment strategy is most aligned with the principles of Continuous Delivery (CD) in a microservices architecture?

<p>Deploying each microservice independently through automated pipelines. (A)</p> Signup and view all the answers

How does containerization (e.g., Docker) contribute to the benefits of a microservices architecture?

<p>It provides a standardized and isolated environment for each service, simplifying deployment and scaling. (C)</p> Signup and view all the answers

In the context of microservices, what is the main purpose of API Gateways?

<p>To handle authentication, routing, and rate limiting for external requests. (D)</p> Signup and view all the answers

Which of the following is a key characteristic of a well-designed microservice?

<p>Being independently deployable and scalable. (C)</p> Signup and view all the answers

Flashcards

Coding Standards

A set of guidelines for writing maintainable and scalable software.

Maintainable Code

Writing code in a way that it is easily understood, modified, and extended by others.

Meaningful Names

Descriptive names given to variables, functions, and classes in code.

Code Comments

Comments that explain the purpose, logic, and usage of code sections.

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Modularity

Breaking down complex tasks into smaller, manageable functions or modules.

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Error Handling

Handling potential errors or unexpected conditions gracefully in your code.

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Loop

Repeating a block of code multiple times.

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Variable

A named storage location in a computer's memory that can hold a value.

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