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【计算机网络】数据链路层 : 概述 ( 基本概念 | 功能 | 为 “网络层“ 提供的服务 )

文章目录一、数据链路层概述二、 "数据链路层" 基本概念三、 "数据链路层" 功能四、 "数据链路层" 为网络层提供的服务一、数据链路层概述"数据链路层" 概述 :① 数据链路层功能 ;② 数据链路层两种通道 , 点到点信号 , 广播信道 ;③ 局域网 , 广域网协议 ;④ 数据链...

企业级云上网络构建

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专有云网络基础架构介绍

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4G LTE同构宏蜂窝和异构微蜂窝概述 | 带你读《5G UDN（超密集网络）技术详解》之三

第一章 5G 前蜂窝移动历史 1.1 5G前蜂窝移动系统和业务概述 |1.2 4G LTE同构宏蜂窝和异构微蜂窝概述 | 4G 时代最有代表性的蜂窝移动系统就是 LTE，对应的无线接入技术就是 E-UTRA，它由 3GPP 项目组织领导进行了多版本的标准化。从 2008 年的 Rel-8 初始版本开...

5G前蜂窝移动系统和业务概述 | 带你读《5G UDN（超密集网络）技术详解》之二

第1章 5G 前蜂窝移动历史前言：超密集网络UDN的核心特点蜂窝移动网络经历了 1G、2G、3G、4G、5G 五大阶段或时代，伴随着 ICT 技术和移动市场业务应用的不断快速变化，蜂窝移动系统的形态和架构也经历了相应的变化，或演进或变革，或渐变或剧烈。深入了解 5G 前蜂窝移动历史，有助于理解...

AutoMl及NAS概述：更有效地设计神经网络模型工具

随着人工智能的迅速发展，深度学习工具箱也发生比较大的变化，从之前受欢迎的Caffe到Tensorflow等框架，好的深度学习框架能够帮助开发人员快速且高效地开发出相应的任务模型，完成相关的任务。这类深度学习工具箱都需要自己设计对应的网络模型，需要...

SQL概述及在网络安全中的应用

< DOCTYPE html PUBLIC -WCDTD XHTML StrictEN httpwwwworgTRxhtmlDTDxhtml-strictdtd> 想必大家都知道sql是什么,但是你真正的了解sql在网络安全中的应用吗? 　　这里给大家详细的讲述一下sql在网络安全中的应...

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