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Network Fundamentals

Fundamental

Understand how data moves across a network, from frame to packet.

Courses:
13 sections
2.5 h
Basic English

Course content is in English (Basic English). The interface, summaries and glossary are in your language.

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What you will be able to do

  • Explain the OSI model and the TCP/IP stack
  • Subnet an IPv4 network correctly
  • Analyse a packet capture with Wireshark

Course outline

  1. Module 1

    What a Network Is

    1. Hosts, Links and Addresses 8 min
    2. Why Layering Exists 11 min
    3. The OSI Model 14 min

  2. Module 2

    IP and Routing

    1. IPv4 Addressing 8 min
    2. Subnetting in Practice 11 min
    3. NAT and Gateways 14 min
    4. A Note on IPv6 17 min

  3. Module 3

    TCP and UDP

    1. The TCP Handshake 8 min
    2. Ports and State 11 min
    3. When to Use UDP 14 min

  4. Module 4

    Observing Traffic

    1. Set Up Wireshark Locally Lab 8 min
    2. Reading a Real Capture 11 min
    3. Where Networks Break 14 min

Written by CyberEd DZ