dassein的博客

Chapter 1 Introduction 第一章概述作业Page 22-25Question 1Identify the five components of a data communication system. 给出一个数据通信系统的五个组成部分ANSWER:Five components of data communication:Message, Sender, Rec...

Chapter 2 Network Models 第二章网络模型作业Question 1List the layers of the Internet Model. 列举因特网模型的分层名称。ANSWER:Layer 5: Application layerLayer 4: Transport layerLayer 3: Network layerLayer 2: Data lin...