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所在平台: Udemy |
课程主页: https://www.udemy.com/course/computer-networks-data-communication-essentials/
课程评论：没有评论
课程名称：计算机网络与数据通信基础 概述：这个精心设计的课程专为初学者和有志于进入IT行业的专业人士量身定制，提供计算机网络和数据通信核心原理的坚实基础。无论您是探寻技术世界的学生，还是希望增强技能的专业人士，这门课程都将以实用和易于理解的方式，帮助您掌握计算机网络的基本知识。通过学习，您将全面了解计算机网络的基本要素，增强您在网络领域的信心。让我们一起踏上这段教育旅程，为您在计算机网络这一令人兴奋的领域的成功奠定坚实基础！ 课程内容概述： 1. **计算机网络介绍**：探索互联网的基本要素，了解主机、客户端和服务器在网络通信中的角色，熟悉接入网络、核心网络及互联网整体架构，深入了解互联网协议（IP）栈的层次结构。 2. **应用层**：深入网络应用及其设计原则，包括客户端-服务器架构和点对点架构，学习进程通过套接字进行通信的复杂性，探讨驱动互联网应用的HTTP、FTP、SMTP和DNS协议，理解网页缓存和BitTorrent文件分享应用的工作原理。 3. **传输层**：区分传输层与网络层，比较TCP与UDP，深入了解它们的段结构和流量控制机制，探讨TCP三路握手和连接关闭的细节。 4. **网络层**：理解路由器的功能，专注于路由和转发，掌握IP地址、子网和分层地址的细微差别，探索DHCP和NAT等动态协议，了解静态和动态路由类型，以及像BGP这样的自治系统间路由协议，学习ICMP、IPv6和互联网复杂路由的问题。 5. **链路层**：深入研究链路层提供的服务，包括帧结构、链路访问、可靠性等，理解网络接口卡（NIC）的作用以及相邻节点之间的通信，探索多路访问协议、受控接入协议以及地址解析协议（ARP），学习以太网、交换机及虚拟局域网（VLAN）的动机。 6. **物理层**：追溯IEEE 802.3以太网标准的演变及快速以太网的常见实现。 7. **计算机网络安全**：深入了解防火墙的类型及其在网络安全中的关键角色，探索无状态和有状态数据包过滤、应用网关以及保护计算机网络的最佳实践。 加入我们这段教育旅程，不仅学习基础知识，还将深入了解高级协议和安全措施。
This meticulously designed program is tailored for beginners and aspiring IT professionals, providing a solid foundation in the core principles of computer networking & data communication. Whether you're a student venturing into the world of technology or a professional looking to strengthen your skills, this course offers a practical and accessible approach to understanding the fundamentals of computer networks.By the end of this course, you will have a comprehensive understanding of computer network essentials, empowering you to navigate the dynamic world of networking confidently. Join us on this educational journey, and let's build a strong foundation for your success in the exciting field of computer networks!Sections Breakdown:Introduction to Computer Networks:Explore the essentials of the internet, dissecting the components that form its backbone.Understand the roles of hosts, clients, and servers in network communication.Navigate through the Access Network, Core Network, and the overall architecture of the internet.Gain insights into the layers of the Internet Protocol (IP) stack.Application Layer:Dive into networking applications and their design principles, including Client-Server and Peer-to-Peer architectures.Learn the intricacies of processes communicating through sockets.Explore protocols such as HTTP, FTP, SMTP, and DNS that drive internet applications.Understand the working of web caches and the BitTorrent file-sharing application.Transport Layer:Differentiate between the Transport and Network layers.Compare and contrast TCP and UDP, delving into their segment structures and flow control mechanisms.Explore the intricacies of the TCP three-way handshake and connection closure.Network Layer:Understand the functions of routers, focusing on routing and forwarding.Grasp the nuances of IP addressing, subnets, and hierarchical addressing.Explore dynamic protocols like DHCP and NAT, essential for efficient network management.Gain insights into routing types, including static and dynamic, and Inter-AS routing protocols like BGP.Learn about ICMP, IPv6, and the complexities of routing on the Internet.The Link Layer:Delve into the services provided by the Link Layer, covering framing, link access, reliability, and more.Understand the role of network interface cards (NIC) and the communication between adjacent nodes.Explore multiple access protocols, controlled access protocols, and address resolution with ARP.Learn about Ethernet, switches, and the motivation behind using Virtual LANs (VLANs).The Physical Layer:Trace the evolution of IEEE 802.3 Ethernet standards and common implementations of fast Ethernet.Computer Network Security:Gain insights into firewalls, their types, and their critical role in network security.Explore stateless and stateful packet filtering, application gateways, and best practices for securing computer networks.Join us on this educational journey, where you'll not only learn the essentials but also delve into advanced protocols and security measures.
