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A2.2 Network architectureA2.2.4

Concepts and applications of network segmentation

Explain the concepts and applications of network segmentation

SL + HL≈ 55 minCommand term: ExplainPremium

In this lesson

  • Why networks are divided into segments: performance, security and managing resources
  • How subnetting divides an IP network using the subnet mask
  • How VLANs create separate logical networks on the same switches
  • How segmentation is applied in real organisations

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What's inside

  1. LearnWhy divide a network?
  2. LearnSubnetting
  3. LabApply the mask
  4. CheckQuick check
  5. LearnVirtual LANs (VLANs)
  6. LabOne switch, three networks
  7. LearnSubnetting and VLANs
  8. CheckWhich benefit?
  9. ExamWorked exam answer
  10. ReviewMistakes examiners see
  11. Exam practiceExam-style questions

Ends with 5 exam-style questions worth 13 marks, with a self-marking markscheme.