Data Communication and Computer Network (DCN)

袖珍參考指南，數據通信和計算機網絡（DCN）離線

Computer Network is basic subject which is very useful to understand the internet and related stuff. It is very useful subject for Computer engineering as well as Information Technology Engineering.

Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices is established using either cable media or wireless media. The best-known computer network is the Internet.

This tutorial should teach you basics of Data Communication and Computer Network (DCN) and will also take you through various advance concepts related to Data Communication and Computer Network.

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This guide consists of following chapters

DCN Overview

DCN - Computer Network Types

DCN - Network LAN Technologies

DCN - Computer Network Topologies

DCN - Computer Network Models

DCN - Computer Network Security

Physical Layer

DCN - Physical Layer Introduction

DCN - Digital Transmission

DCN - Analog Transmission

DCN - Transmission media

DCN - Wireless Transmission

DCN - Multiplexing

DCN - Network Switching

Data Link Layer

DCN - Data Link Layer Introduction

DCN - Error detection and Correction

DCN - Data Link Control & Protocols

Network Layer

DCN - Network Layer Introduction

DCN - Network Addressing

DCN - Routing

DCN - Internetworking

DCN - Network Layer Protocols

Transport Layer

DCN - Transport Layer Introduction

DCN - Transmission Control Protocol

DCN - User Datagram Protocol

Application Layer

DCN - Application Layer Introduction

DCN - Client-Server Model

DCN - Application Protocols

DCN - Network Services

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This app contains overview of the computer network subject. So, It will be very useful as pocket reference. It can be used to refer before competitive exams as well as interviews.