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所在平台: Udemy |
课程主页: https://www.udemy.com/course/data-communications/
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课程名称：数据通信 概述：数据通信入门课程为学生提供了对现代数据通信系统中基本概念、技术和协议的全面理解。课程探讨了数字数据在各种通信媒介（包括有线和无线网络）中的传输、接收和处理原理。通过讲座、实践实验和真实案例研究，学生将掌握设计、实施和故障排除数据通信系统的实用技能。 课程目标： 1. 理解数据通信基础：学习数据通信的基本原理，包括数据编码、传输模式、信号调制和复用技术。 2. 网络架构与协议：探讨计算机网络的架构和组件，包括OSI和TCP/IP参考模型，同时研究以太网、TCP、IP和UDP等关键网络协议。 3. 有线与无线传输媒介：研究不同类型的传输媒介，包括双绞线、同轴电缆、光纤电缆和无线技术，了解每种媒介的特性、优点和局限性。 4. 网络设备与技术：通过实践体验网络设备（如路由器、交换机、集线器和接入点），探讨网络拓扑、寻址方案和子网划分技术。 5. 数据链路层协议：学习数据链路层协议（如HDLC、PPP和以太网），了解帧格式、错误检测与纠正技术、流量控制机制和媒体访问控制方法。 6. 网络安全与管理：研究网络安全的原则，包括身份认证、加密、访问控制和入侵检测，同时学习监控和故障排除网络性能的管理工具和技术。 7. 新兴趋势与技术：探讨数据通信领域中的新兴趋势与技术，如云计算、虚拟化、软件定义网络（SDN）和物联网（IoT）设备。 该课程将帮助学生建立一个坚实的数据通信基础，适应快速发展的技术环境，为未来的职业发展打下良好的基础。
The Introduction to Data Communications course provides students with a comprehensive understanding of fundamental concepts, technologies, and protocols used in modern data communication systems. The course explores the principles underlying the transmission, reception, and processing of digital data over various communication mediums, including wired and wireless networks. Through lectures, hands-on lab exercises, and real-world case studies, students will gain practical skills in designing, implementing, and troubleshooting data communication systems.Course Objectives:Understanding Data Communication Fundamentals: Students will learn the basic principles of data communication, including data encoding, transmission modes, signal modulation, and multiplexing techniques.Network Architecture and Protocols: Students will explore the architecture and components of computer networks, including the OSI and TCP/IP reference models. They will also study key networking protocols such as Ethernet, TCP, IP, and UDP.Wired and Wireless Transmission Media: Students will examine different types of transmission media, including twisted pair, coaxial cable, fiber optic cable, and wireless technologies. They will learn about the characteristics, advantages, and limitations of each medium.Networking Devices and Technologies: Students will gain hands-on experience with networking devices such as routers, switches, hubs, and access points. They will also explore network topologies, addressing schemes, and subnetting techniques.Data Link Layer Protocols: Students will study data link layer protocols such as HDLC, PPP, and Ethernet. They will learn about frame formats, error detection and correction techniques, flow control mechanisms, and media access control methods.Network Security and Management: Students will examine principles of network security, including authentication, encryption, access control, and intrusion detection. They will also learn about network management tools and techniques for monitoring and troubleshooting network performance.Emerging Trends and Technologies: Students will explore emerging trends and technologies in data communications, such as cloud computing, virtualization, software-defined networking (SDN), and Internet of Things (IoT) devices.
