IT Systems Components (2020)

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The intent of the IT Systems Components Knowledge Unit is to provide students with a basic understanding of the components in an information technology system and their roles in system operation. This is a high level introduction or familiarization of the topics, not a deep dive into specifics.


After completing the KU, students will be able to:

  1. Evaluate the components of modern computing environments and their individual functions.
  2. Assess how IT components are combined to create a comprehensive computing environment.
  3. Outline how computing environments are monitored and managed.
  4. Understand basic security implications of modern computing environments.
  5. Properly formulate the vocabulary associated with cyber security.


  1. Endpoints
    • Workstations, servers, appliances, mobile devices, peripheral devices (Printers, scanners, external storage)
    • Internet of Things
  2. Storage Devices
  3. System Architectures
    • Virtualization / Containers
    • Cloud
  4. Networks (Internet, LANs, wireless)
  5. Alternative environments
    • SCADA
    • Real time systems
    • Managed Services
  6. Operating Systems
    • Updates and Management
  7. Software
    • Software Security (secure coding principles, software issues by type)
    • Patching and updates
  8. Network and System Operations and Management
    • Configuration Management
      • Network mapping (enumeration and identification of network components)
    • Backups and Recovery
    • User and Account Management
    • Accounting management
    • Performance Management
    • Incident Management
    • User support



BYOD, IaaS, PaaS, SaaS, SAN, USB

NICE Framework Categories

CSEC 2017 Categories

Specialization Areas

Because it is a Foundational KU, it is by default in all Specialization Areas.

See also

Related Knowledge Units

Further reading

Suggested textbooks

Suggested academic readings

Sample knowledge test

Sample skills test

Sample abilities test

Additional notes or materials


Reference ID