2. Networks and the Internet

Network Basics
1. Physical Connections - Local Networks
    a. Cable
    b. Hub
    c. Repeater
    d. Switch
    e. Router
2. Data Transmission
    a. Packet
    b. Protocols
    c. Ports
3. Basic Network Utilities
    a. IPConfig
    b. Ping
    c. Tracert
    d. Netstat
    e. NSLookup
4. Advanced Network Topics
    a. The OSI Model
    b. Media Access Control (MAC) Address