Network Technology and Protocols (2020)

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The intent of the Network Technology and Protocols Knowledge Unit is to expand students’ knowledge of networking to include an understanding common network protocols, how network components interact, and how networks evolve over time. The Knowledge Unit will also extend student experiences in using tools to monitor and analyze a network. Students expand their familiarity with network vulnerabilities.


After completing the KU, students will be able to:

  1. Demonstrate an understanding of layer 2 and key networking protocols (Ethernet, IPv4, and IPv6).
  2. Identify and describe a variety of common network vulnerabilities.
  3. Identify and mitigate security concerns at layer 2 and layer 3 of a network.
  4. Demonstrate the use of multiple tools to analyze and troubleshoot a network.
  5. Explain the weaknesses of WEP and which ones have been addressed and how.


To complete this KU, all topics and sub-topics must be completed

  1. Network Switching (Ethernet)
    • ARP and RARP
    • Layer 2 security issues
  2. IPv4 suite
    • IPv4 Addressing
  3. IPv6 suite
    • IPv6 Addressing
  4. Routing in IPv4 and v6.
    • Routing tables and metrics
    • Layer 3 security issues
    • IPsec
  5. Network naming
    • DNS
    • NetBIOS
  6. Network Analysis/Troubleshooting
    • Netflow


NICE Framework Categories[edit]

CSEC 2017 Categories[edit]

Specialization Areas[edit]

See also[edit]

Related Knowledge Units

Original Knowledge Unit

Further reading[edit]

Fundamentals Of Information Systems Security - ISBN-10: 128411645X

Suggested academic readings[edit]

Sample knowledge test[edit]

Sample skills test[edit]

Sample abilities test[edit]

Additional notes or materials[edit]


Reference ID[edit]