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As a candidate for this certification, you’re a technology professional who wants to demonstrate foundational knowledge of cloud concepts in general and Microsoft Azure in particular. This certification is a common starting point in a journey towards a career in Azure.

You can describe Azure architectural components and Azure services, such as:

  • Compute
  • Networking
  • Storage

You can also describe features and tools to secure, govern, and administer Azure.

You should have skills and experience working with an area of IT, such as:

  • Infrastructure management
  • Database management
  • Software development

You may be eligible for ACE college credit if you pass this certification exam. See ACE college credit for certification exams for details.

OSI 七层模型概述
自下而上(从底层硬件到顶层应用程序),这七层分别为:
  1. 物理层 (Physical Layer):负责将数据转换为比特流(0 和 1)并通过物理介质(如电缆、光纤、无线信号)传输。
  2. 数据链路层 (Data Link Layer):负责节点之间的数据传输,负责定义数据帧的格式、错误控制和物理寻址(MAC 地址)。
  3. 网络层 (Network Layer):处理数据在网络间的传递,决定数据的最佳路径,即路由功能。主要协议是 IP。
  4. 传输层 (Transport Layer):负责端到端的数据传输、流量控制和错误控制。主要协议是 TCP(面向连接)和 UDP(无连接)。
  5. 会话层 (Session Layer):负责建立、管理和终止应用程序之间的连接(会话)。
  6. 表示层 (Presentation Layer):负责数据的格式化、转换、加密和解密,确保应用层能理解数据。
  7. 应用层 (Application Layer):最顶层,直接为用户提供网络服务(如 HTTP、FTP、SMTP