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所在平台: Udemy |
课程主页: https://www.udemy.com/course/practical-subnetting-for-certification-exams-and-networkers/
课程评论：没有评论
**课程总结：ADRAMADA: 实用子网划分 — 认证与实战** 本课程由 Dave Rush 主讲，旨在为从初学者到资深网络专业人士的广大受众提供实用的子网划分指南。课程内容涵盖了基础概念，并深入讲解了 A、B、C 类 IP 地址网络的子网划分。 **核心内容与学习路径：** 1. **IP 地址基础：** 课程首先对 IP 地址的表示法进行基本概述。 2. **二进制与十进制转换：** 详细讲解二进制和基于 2 的数字系统，并通过十进制概念回顾二进制表示法的工作原理，帮助学生熟练掌握二进制与十进制之间的相互转换。 3. **经典 IP 地址划分（Classful Addressing）：** 介绍经典 IP 地址的概念，这是早期互联网地址分配的方式，也是理解子网划分的关键。在此部分，学生将学习子网掩码、网络地址类别，并能够快速识别地址类别、其子网掩码以及网络地址和主机/节点地址中使用的字节（octet）。 4. **特殊 IP 地址：** 深入探讨特殊 IP 地址的用途及其特殊性。 5. **实用子网划分：** 在打好基础后，课程将循序渐进地讲解子网划分，揭示其背后的奥秘。通过一个简单、四步的流程，并辅以大量的演示和讲解，学生将学会子网划分的原因，并能够自信地将经典 IP 地址转换为无类别域间路由（CIDR）地址，将单个网络地址划分为更小、更易于管理的子网。子网划分有助于优化网络主机组织、提高网络流量效率、简化网络管理等。 6. **实操导向：** 本课程强调从实际应用角度学习子网划分，在应用四步法的同时，深入理解其技术原理。 **课程亮点：** * **循序渐进：** 从基础概念到复杂应用，逐步深入。 * **讲义支持：** 提供可下载的、可跟随学习的演示文稿，便于课后复习。 * **知识巩固：** 每节课后设有关卡测验，课程结束时设有综合练习题，以检验学习成果（注：测验和练习题预计于 2025 年 4 月中旬上线）。 **课程目标：** 完成本课程后，学生将能够自信、熟练地从单个网络创建多个子网，将子网连接到路由器，并在每个子网上应用相应的 गरजे地址范围。
Dave Rush presents a Practical Subnetting guide for everyone from beginning students to seasoned network professionals though foundational concepts through subnetting Class A, B and C IP network addresses. Each section comes with downloadable, follow-along slides that can be used to review well after you complete the course. Each section will also have an end-of-section quiz and there is a practice exam at the end of the course to test all of the covered topics. (Note - we're furiously writing the quizzes and practice test as quickly as possible. They should be added by mid-April, 2025).The course opens with a basic overview of IP address notations. From there, we present binary and base-2 number systems, using base-10 concepts to review how binary notation works. We illustrate how there is only one combination of 1s and 0s to represent any number. Students will easily be able to convert back and forth between binary and decimal numbers.Next, we introduce the concept of Classful IP addressing. This was how the first Internet addresses were distributed to users, organizations and Internet Service Providers (ISPs). Classful addressing is a fundamental and critical concept to understanding subnetting. With Classful addressing comes the concept of a subnet mask, network address classes and the skill to quickly identify a class of address, its subnet mask and which octets are used in the network address and which are used in host/node addresses.We continue our exploration of Classful addressing to review special IP addresses. We present the uses of special IP addresses and what makes them so special.With these concepts secure, we're ready to delve into the seemingly mysterious and arcane world of subnetting. Using the step-by-step approach, we learn the reasons for subnetting and a simple, four-step process. By provide extensive demonstrations and explanations, student gain confidence and competence in moving from a Classful IP addressing world to a Classless IP address on in which single network address assignments can be broken up into smaller, manageable sub-networks. These networks lend themselves to organizing network hosts, improving network traffic efficiency, making network management an easier task and provides other benefits.The key to understanding subnetting, in this course, is that we approach the topic from a practical perspective. We learn the four-step subnetting process and as we apply the steps, we learn the technical underpinnings of the process.By the end of the course, students can confidently and competently create multiple sub-networks from a single network, connect the subnets to routers and apply appropriate ranges of host addresses on each subnet.
