Microservices 面试题与答案
相关差异对比
问题 6. Explain the concept of API Gateway.
An API Gateway is a server that acts as an API front-end, receiving API requests, enforcing throttling, security, and then forwarding requests to the back-end microservices.
Example:
Using an API Gateway to manage authentication and route requests to appropriate services.
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问题 7. What is the purpose of a container orchestration tool in microservices?
Container orchestration tools manage the deployment, scaling, and operation of application containers.
Example:
Kubernetes is a popular container orchestration tool used in microservices environments.
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问题 8. Explain the term 'Circuit Breaker' in microservices.
A Circuit Breaker is a design pattern used to detect and prevent failures in microservices communication.
Example:
If a service repeatedly fails to respond, the circuit breaker 'trips' and prevents further requests for a predefined time.
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问题 9. How can you ensure data consistency across microservices?
Data consistency can be achieved through the use of distributed transactions or eventual consistency patterns.
Example:
Using a Saga pattern to manage a series of distributed transactions across multiple services.
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问题 10. What is the role of an API versioning strategy in microservices?
API versioning ensures that changes to the microservices API do not disrupt existing clients.
Example:
Using URL versioning (e.g., /v1/resource) or header-based versioning.
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- What is the role of an API versioning strategy in microservices?
- Explain the term 'Circuit Breaker' in microservices.