GCSE – Lesson 6 – Network performance and routing costs

Curriculum KS4 Unit Lesson

This lesson begins with a quick check that learners have remembered some of the transmission media types covered in the last lesson. They then move on to look at the four main factors that affect network performance. A keyword matching exercise is used to check their recall of these terms. Next, learners are shown the formula for calculating the transmission time of a file over a network before attempting some calculations themselves. Finally, learners use the Packet Tracer software to investigate routing costs across a network.

Learning objectives

  • Describe the factors that affect network performance (bandwidth, range, latency, number of devices)
  • Determine how network speeds are measured and construct expressions involving file size, transmission rate, and time
  • Determine methods of routing traffic on a network and calculation of routing costs

Package contents

  • Lesson plans
  • Slide decks
  • Learner resources
  • Homework