Computer Networks and the Internet


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Table of Contents

Computer Networks and the Internet

Overview

What is a Network?

Key Concepts

Transmission Media

Electromagnetic Spectrum

Twisted Pair (TP)

Shielded and Unshielded TP

UTP Categories

Coaxial Cable

Optical Communication…History

Optical Fiber

Wireless Transmission Frequencies

Multiplexing

Types of Networks

Circuit vs. Packet Switching

Homework 1A

What is Internet?

Structure of the Internet

Types of ISPs

Network Edge: Enterprise Networks

Ethernet

Wi-Fi

Access Networks

Dial Up

Bits, Hertz, and Baud

DSL

Cable

Fiber-To-The-Home (FTTH)

Wireless Access Networks

WiMAX

Network Performance Measures

Delay Example (CBR Circuits)

Packet Switching Delay

Packet Switching Delay: Example

Throughput

Loss Rate

Homework 1B

Protocol Layers

ISO/OSI Reference Model

Service and Protocol Data Units

Service Data Unit (SDU)

Protocol Data Unit (PDU)

Service Primitives

TCP/IP Reference Model

OSI vs TCP/IP

OSI vs TCP Reference Models

PDUs in TCP/IP Architecture

TCP/IP Applications

Network Security

Security Components

Types of Malware

Types of Attacks

Buffer Overflows

Distributed DoS Attacks

History of Internet

Internet Generations

Key Concepts

Homework 1C

Author: Raj Jain

Home Page: http://www1.cse.wustl.edu/~jain/

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