后端与API开发专业 Certification
设计、保护并运营生产级后端与API
Key facts
- Level: Professional
- Field: Software Engineering & DevOps
- Estimated study time: about 36 hours
- Credential price: $149
- Exam: 100 questions · 160 minutes · pass mark 75%
About the 后端与API开发专业 certification
后端与API开发专业认证验证你能够设计、构建、保护并运营驱动现代应用程序的服务器端系统。它远不止于编写端点：你将深入理解HTTP协议（方法、状态码、请求头、缓存、内容协商），设计一致、版本化、分页且幂等的REST API，并了解何时GraphQL或gRPC更为合适。 考试端到端涵盖认证与授权——会话、JWT、OAuth2、OIDC、API密钥与RBAC——以及输入验证、序列化和OWASP API安全Top 10。它测试真实的后端深度：数据库（关系设计、索引、事务与隔离级别、连接池、ORM、N+1问题、迁移）与NoSQL（文档、键值与宽列存储及各自的适用场景），缓存策略与失效，消息队列与异步处理，并发与异步I/O，以及弹性模式（超时、退避重试、熔断器、限流）。 最后，它验证将业余项目与专业服务区分开来的运营素养：可观测性（日志、指标、追踪）、测试（单元、集成、契约）、十二因素应用、配置与环境、Webhook与事件、文件/对象存储、国际化、性能与扩展，以及部署基础。内容与语言无关——原则适用于Node.js、Python、Go、Java、Ruby、PHP和.NET。考生应已熟悉通用编程和数据结构。
What you will learn
The official 后端与API开发专业 study course covers:
- HTTP & the Request Lifecycle — How an HTTP request travels through a backend, plus methods, status codes, headers and caching.
- Designing REST APIs (and when not to) — Resource modeling, versioning, pagination, idempotency, and choosing REST vs GraphQL vs gRPC.
- Authentication & Authorization — Sessions, JWT, OAuth2/OIDC, API keys, RBAC, and the access-control bugs that matter.
- Data & Persistence — Relational design and indexing, transactions and isolation, ORMs and the N+1 trap, and choosing SQL vs NoSQL.
- Caching & Asynchronous Processing — Cache layers and invalidation, message queues and workers, idempotency and async I/O.
- Resilience, Security & Operations — Timeouts, retries and circuit breakers, rate limiting, observability, API security and deployment.
Prerequisites
Frequently asked questions
- Is the 后端与API开发专业 certificate verifiable?
- Yes. Every issued Hootix Academy certificate carries a unique credential code that anyone can verify online.
- How is the 后端与API开发专业 exam structured?
- It is a 160-minute proctored multiple-choice exam of 100 questions; you need 75% to pass.
- Do I need to buy the course to take the exam?
- You can purchase the certification exam on its own, or bundle it with the full study course at a reduced price.
- How long does the 后端与API开发专业 course take?
- About 36 hours of self-paced study.