计算机网络传输介质的相关内容

2.3.1计算机网络（物理层传输介质双绞线同轴电缆光纤中继器集线器）

物理层传输介质传输介质及分类传输介质也称传输媒体/传输媒介，它就是数据传输系统中在发送设备和接收设备之间的物理通路。传输媒体并不是物理层。传输媒体在物理层的下面，因为物理层是体系结构的第一层，因此有时称传输媒体为0层。在传输媒体中传输的是信号，但传输媒体并不知道所传输的信号代表什么意思。但物理层规定...

计算机网络按传输介质可以分为哪些类别？

计算机网络基础

16 课时 |

25496 人已学 |

加入学习

共有2条

< 1 >

跳转至： GO

更新时间 2024-03-12 21:00:49

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"title":"边缘网络加速","contentLink":"https://www.aliyun.com/product/cloudcomm/snsu?spm=5176.19720258.J_8058803260.574.e9392c4aVf8e8P","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","des":"边缘网络加速（Edge Network Acceleration）依托运营商合规资源结合阿里云服务优势，为用户提供稳定安全、高速、低时延的网络传输，解决客户不同站点的连接、组网、数据安全传输、业务质量保障问题。","btn1":"加速上云服务","link1":"https://jssy.console.aliyun.com/?spm=5176.15027759.J_1664847110.2.13b83911azmqGg","btn2":"产品文档","link2":"https://help.aliyun.com/product/86106.html","btn3":"","link3":"","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/175961.html?spm=5176.15027759.J_7985555940.4.13b83911azmqGg","firstContentName":"产品快速入门","lastContentName":"用户指南","lastContentLink":"https://help.aliyun.com/document_detail/175961.html?spm=a2c4g.11174283.6.548.2cf61d6dUl00jW"}},{"infoName":"产品动态","infoContent":{"firstContentName":"产品最新动态","firstContentLink":"https://help.aliyun.com/document_detail/187651.html?spm=a2c4g.11174283.6.542.2cf61d6dUl00jW"}}],"iconImg":"https://img.alicdn.com/tfs/TB1VuYN3VP7gK0jSZFjXXc5aXXa-200-200.png","ifIcon":"img"}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"title":"边缘网络加速","contentLink":"https://www.aliyun.com/product/cloudcomm/snsu?spm=5176.19720258.J_8058803260.574.e9392c4aVf8e8P","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","des":"边缘网络加速（Edge Network Acceleration）依托运营商合规资源结合阿里云服务优势，为用户提供稳定安全、高速、低时延的网络传输，解决客户不同站点的连接、组网、数据安全传输、业务质量保障问题。","btn1":"加速上云服务","link1":"https://jssy.console.aliyun.com/?spm=5176.15027759.J_1664847110.2.13b83911azmqGg","btn2":"产品文档","link2":"https://help.aliyun.com/product/86106.html","btn3":"","link3":"","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/175961.html?spm=5176.15027759.J_7985555940.4.13b83911azmqGg","firstContentName":"产品快速入门","lastContentName":"用户指南","lastContentLink":"https://help.aliyun.com/document_detail/175961.html?spm=a2c4g.11174283.6.548.2cf61d6dUl00jW"}},{"infoName":"产品动态","infoContent":{"firstContentName":"产品最新动态","firstContentLink":"https://help.aliyun.com/document_detail/187651.html?spm=a2c4g.11174283.6.542.2cf61d6dUl00jW"}}],"iconImg":"https://img.alicdn.com/tfs/TB1VuYN3VP7gK0jSZFjXXc5aXXa-200-200.png","ifIcon":"img"}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}