Mastering Microservices: Architecture, Communication u0026 Resilience Quiz Quiz

1. Microservices Definition

   Which of the following best describes the microservices architectural style?

   1. A single, monolithic application with loosely coupled modules.
   2. A suite of small, independently deployable services built around a specific business capability.
   3. A client-server architecture with a centralized database.
   4. A distributed system where all services share a single codebase.
   5. A system where services depend on each other, and deployment is coordinated.

2. Communication Pattern

   What is a common communication pattern used by microservices for synchronous communication?

   1. Message Queue
   2. RESTful API
   3. Event Sourcing
   4. RPC Framework
   5. Shared Memory

3. Service Discovery

   Which of these is a common technology used for service discovery in a microservices architecture?

   1. DNS Server
   2. Eureka
   3. Load Balancer
   4. Message Bus
   5. Proxy server

4. Data Consistency

   What is the eventual consistency model often preferred in microservices architectures?

   1. All data is consistent across all services at all times.
   2. Updates are immediately reflected in all services.
   3. Data will become consistent eventually, given no further updates.
   4. ACID transactions are used across all services.
   5. Only critical data is kept consistent between services.

5. API Gateway

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

   1. To directly manage and expose individual microservices to the outside world.
   2. To act as a single entry point for clients, routing requests to the appropriate microservices.
   3. To handle inter-service communication within the cluster.
   4. To store and manage user authentication credentials.
   5. To provide a central database for all microservices.

6. Fault Tolerance

   Which pattern is most useful for improving the fault tolerance of a microservice that relies on another service?

   1. Circuit Breaker
   2. Load balancing
   3. API Gateway
   4. Service Registry
   5. Event Sourcing

7. gRPC Protocol

   Which statement best describes gRPC in the context of Microservices?

   1. A human-readable, text-based protocol for web browsers.
   2. A high-performance, open-source framework that uses Protocol Buffers for data serialization.
   3. A messaging queue system for asynchronous communication.
   4. A centralized database management system.
   5. A tool for monitoring CPU usage.

8. Orchestration vs. Choreography

   In the context of Microservices, what is the key difference between orchestration and choreography?

   1. Orchestration uses a central controller, while choreography relies on event-driven communication between services.
   2. Orchestration is always synchronous, while choreography is always asynchronous.
   3. Orchestration focuses on data consistency, while choreography focuses on fault tolerance.
   4. Orchestration is simpler to implement than choreography.
   5. Orchestration only works with RESTful APIs, while choreography only works with message queues.

9. Saga Pattern

   What is the Saga Pattern commonly used for in microservices?

   1. Managing long-running transactions that span multiple services.
   2. Defining the structure of a single microservice's codebase.
   3. Implementing authentication and authorization policies.
   4. Defining the deployment pipeline for microservices.
   5. Monitoring the health and performance of microservices.

10. Containerization Benefits

    How does containerization, like Docker, benefit microservices architectures?

    1. Simplifies dependency management and ensures consistent environments across different stages.
    2. Removes the need for service discovery.
    3. Eliminates the need for monitoring.
    4. Automatically scales microservices without any configuration.
    5. Reduces the memory footprint of microservices by 90%.