Welcome to the Complete Network Fundamentals Course! In this course, you will learn the technologies that keep the world as you know today connected and running. We cover both the fundamentals of networking as well as the topics in the new Cisco CCNA 200-301 exam.
欢迎学习完整的网络基础课程！在本课程中，您将学习使当今世界保持联系和运行的技术。我们涵盖了网络的基础知识以及新的思科 CCNA 200-301 考试中的主题。

Networks are all around us and you are using one right now to access this course.
网络无处不在，您现在正在使用网络来访问本课程。

Imagine for a moment, how different your life would be without access to Facebook, Snapchat, Google, YouTube, Whatsapp or any of the other websites on the Internet? How would you live with no Internet?
想象一下，如果没有访问 Facebook、Snapchat、Google、YouTube、Whatsapp 或互联网上的任何其他网站，您的生活会有多大不同？如果没有互联网，你会怎么生活？

The Internet is extremely important in modern life today and all websites and Internet communication relies on networking. This reliance is only predicted to continue with the growth of the Internet of Things (IoT) in the next few years.
互联网在当今的现代生活中极为重要，所有网站和互联网通信都依赖于网络。预计这种依赖只会在未来几年内随着物联网 （IoT） 的增长而继续下去。

Without routers, switches, network cabling and protocols like BGP there would be no Internet!
没有路由器、交换机、网络布线和 BGP 等协议，就没有互联网！

This course will teach you how networks actually work and how you are able to connect to websites like Facebook, Google, and YouTube.
本课程将教您网络的实际工作原理以及如何连接到 Facebook、Google 和 YouTube 等网站。

Companies throughout the world (from the smallest to the largest) rely on networks designed, installed and maintained by networking engineers. Join this in demand industry!
世界各地的公司（从最小到最大）都依赖于由网络工程师设计、安装和维护的网络。加入这个需求行业！

Start your journey today learning about networking.
立即开始学习网络之旅。

Content in this course can be used towards your CCNA. Topics such as IP addressing, subnetting and many others can be applied directly to passing your CCNA certification.
本课程中的内容可用于您的 CCNA。IP 寻址、子网划分等主题可以直接应用于通过 CCNA 认证。

Access our online simulations so you can practice on simulated Cisco routers and switches. You will get to type commands such as enable, configure terminal, router ospf and many others and learn how to configure devices.
访问我们的在线模拟，以便您可以在模拟的思科路由器和交换机上进行练习。您将键入启用、配置终端、路由器 ospf 等命令，并学习如何配置设备。

I want to welcome you to this Complete Networking Fundamentals course! I’m David Bombal, and I have been teaching networking  courses for over 15 years. I qualified as a Cisco Certified  Network Engineer (CCIE) in 2003 and hold with numerous other networking certifications. I’m also a Cisco and HPE  certified instructor where I have trained thousands of networking engineers in many of the largest  companies in the world including Fortune 100 companies.
我想欢迎您参加这个完整的网络基础课程！我是 David Bombal，我从事网络课程教学已超过 15 年。我于 2003 年获得思科认证网络工程师 （CCIE） 资格，并持有许多其他网络认证。我还是 Cisco 和 HPE 认证讲师，在包括财富 100 强公司在内的全球许多大型公司培训了数千名网络工程师。

I have designed this course for anyone wanting to learn more about networking and gain foundational knowledge, to help them embark on their networking career. The concepts taught in this course can be applied directly to multiple industry certifications including the Cisco Certified Network Associate (CCNA).
我为任何想要了解更多关于网络知识并获得基础知识的人设计了这门课程，以帮助他们开始他们的网络生涯。本课程中教授的概念可以直接应用于多个行业认证，包括思科认证网络助理 （CCNA）。

In this course, you will learn about topics such as IP addressing, IP subnetting, Routing, Switches, VLANs, Spanning Tree, Network Address Translation, Wireless and a whole lot more.
在本课程中，您将学习 IP 寻址、IP 子网划分、路由、交换机、VLAN、生成树、网络地址转换、无线等主题。

You will also learn more about the latest networking trends including OpenFlow and Software Defined Networking.
您还将了解有关最新网络趋势的更多信息，包括 OpenFlow 和软件定义网络。

The course covers the following topics including (and this list will be constantly updated):
该课程涵盖以下主题，包括（此列表将不断更新）：

• Network basics 网络基础知识

• Network architectures (OSI Model)
  网络架构（OSI 模型）

• What are hubs, switches, routers?
  什么是集线器、交换机、路由器？

• How is data forwarded through a network?
  数据如何通过网络转发？

• IP addresses IP 地址

• IP subnetting IP 子网划分

• Cabling and network topologies
  布线和网络拓扑

• Ethernet basics 以太网基础知识

• TCP and UDP TCP 和 UDP

• DNS and DHCP DNS 和 DHCP

• Routing 路由

• VLANs VLAN

• Cisco device initial configurations
  Cisco 设备初始配置

• ACLs ACL

• Network naming 网络命名

• IP Telephony IP 电话

• Quality of Service (QoS) 服务质量 （QoS）

• SDN

At the end of this course, you will be able to confidently discuss networking topics; and be able to start configuring real networking devices such as routers and switches. In this an introductory course, but contains a lot of information that can be directly applied to the CCNA certification.
在本课程结束时，您将能够自信地讨论网络主题;并能够开始配置路由器和交换机等真实网络设备。在这门入门课程中，却包含了很多可以直接应用于CCNA认证的信息。

The ideal student for this course is someone looking to break into the networking field, someone looking to extend their knowledge from PCs and servers to networking, or someone interested in getting knowledge to work in one of the most exciting, most in-demand jobs in IT – networking.
本课程的理想学生是希望进入网络领域的人，希望将他们的知识从 PC 和服务器扩展到网络的人，或者有兴趣获得知识以从事 IT 中最令人兴奋、最受欢迎的工作之一的人 – 网络。

There are no requirements necessary to enroll in this course, I only ask that you come open minded and ready to learn.
参加这门课程不需要任何要求，我只要求你以开放的心态来学习。

Feel free to take a look at the course description and some of the sample free videos.
请随时查看课程描述和一些示例免费视频。

I look forward to seeing you on the inside!
我期待着在里面见到你！