Computer Networks and the Internet

• 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
• Bi-Level Coding: 1=+5V, 0=0V
• 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

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