Module 2 Summary: Web Infrastructure Basics and Terminology模块 2 总结：Web 基础设施基础和术语

Congratulations! You have completed this module. At this point in the course, you know:
恭喜！您已完成本模块。在课程的这个阶段，您已经知道：

• Browsers serve as gateways to the internet, advancing for speed, security, and user experience. They also enable internet access and evolution.
  浏览器是通往互联网的门户，在速度、安全和用户体验方面不断进步。它们还促进了互联网的接入和演变。
• DNS plays a critical role in web access, converting domain names into IP addresses to facilitate website browsing.
  DNS 在网页访问中扮演着关键角色，将域名转换为 IP 地址以方便网站浏览。
• HTTP serves as the language of web communication, while HTTPS adds encryption to HTTP, enhancing security for sensitive data transmission.
  HTTP 作为网络通信的语言，而 HTTPS 为 HTTP 添加了加密，增强了敏感数据传输的安全性。
• Secure connections and website authenticity are established through SSL/TLS protocols and certificates.
  安全连接和网站真实性是通过 SSL/TLS 协议和证书建立的。
• Server-side scripting languages are instrumental in generating dynamic content on web servers, ensuring logic separation.
  服务器端脚本语言对于在 Web 服务器上生成动态内容至关重要，确保逻辑分离。
• Load balancing optimizes resource utilization and improves fault tolerance for more reliable web services.
  负载均衡优化资源利用率，提高故障容忍度，以实现更可靠的 Web 服务。
• Web frameworks expedite development with pre-built components and tools, saving time and effort.
  Web 框架通过预构建的组件和工具加速开发，节省时间和精力。
• Web hosting encompasses various types, including shared, VPS, dedicated, and cloud hosting, providing space and resources for websites.
  网站托管包括多种类型，如共享、VPS、专用和云托管，为网站提供空间和资源。
• Web languages cover server-side languages, frameworks, libraries, and APIs, collectively enhancing web interactivity.
  Web 语言涵盖服务器端语言、框架、库和 API，共同增强网页交互性。
• Web accessibility, championed by the WCAG framework, is crucial for inclusive digital design and content creation.
  网络无障碍，由 WCAG 框架倡导，对于包容性数字设计和内容创作至关重要。
• Cloud computing offers scalability, cost efficiency, flexibility, and automatic data storage and processing updates.
  云计算提供可扩展性、成本效益、灵活性和自动数据存储和处理更新。
• Cloud service models, such as IaaS, PaaS, and SaaS, cater to different user needs within the realm of cloud computing.
  云服务模式，如 IaaS、PaaS 和 SaaS，满足云计算领域内不同用户的需求。