Microservices, Spring Boot, Hibernate, and Design Patterns
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Questions and Answers

In a real-time microservices architecture, what is the primary concern when implementing service discovery?

  • achieving low latency
  • maintaining strong consistency
  • managing high availability
  • handling partial failures (correct)
  • In a Spring Boot application, what is the purpose of the @Configuration annotation?

  • to declare a REST endpoint
  • to enable auto-configuration
  • to enable caching
  • to define a bean (correct)
  • In Hibernate, what is the purpose of the @.ManyToOne annotation?

  • to map a one-to-many relationship
  • to map a one-to-one relationship
  • to map a many-to-many relationship
  • to map a many-to-one relationship (correct)
  • Which design pattern is commonly used in microservices architecture to handle communication between services?

    <p>Mediator pattern</p> Signup and view all the answers

    What is the primary benefit of using the Singleton pattern in a real-time system?

    <p>ensured thread-safety</p> Signup and view all the answers

    What is a key consideration when implementing circuit breakers in a microservices architecture?

    <p>Implementing a fallback mechanism to handle failed requests</p> Signup and view all the answers

    When using Spring Boot, what is the primary benefit of using the @Profile annotation?

    <p>To enable or disable beans based on the active profile</p> Signup and view all the answers

    In Hibernate, what is the purpose of the @Fetch annotation?

    <p>To specify the fetch type for a lazy association</p> Signup and view all the answers

    Which design pattern is commonly used in microservices architecture to handle communication between services?

    <p>Event-driven architecture pattern</p> Signup and view all the answers

    In a microservices architecture, what is the primary benefit of using a Bulkhead pattern?

    <p>To ensure that a fault in one service does not affect other services</p> Signup and view all the answers

    Study Notes

    Service Discovery in Microservices Architecture

    • Primary concern when implementing service discovery is managing the dynamic nature of services, such as registration, discovery, and deregistration.

    Annotations in Spring Boot

    • @Configuration annotation in Spring Boot is used to indicate that a class declares one or more @Bean methods and may be processed by the Spring container to generate bean definitions and service requests for those beans at runtime.

    Hibernate Annotations

    • @ManyToOne annotation in Hibernate is used to establish a many-to-one relationship between two entities, where one side owns the relationship and the other side is the inverse of the relationship.

    Communication Patterns in Microservices

    • The Request-Reply pattern is commonly used in microservices architecture to handle communication between services, allowing services to exchange messages and respond to each other.

    Singleton Pattern in Real-Time Systems

    • The primary benefit of using the Singleton pattern in a real-time system is that it ensures a single instance of a class is created, providing a global point of access to that instance, and controlling access to it.

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    Test your knowledge of microservices architecture, Spring Boot, Hibernate, and design patterns with these challenging questions. From service discovery to annotation purposes, get ready to showcase your skills!

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