By Elimu Assistant Team 
LESSON PLAN 31: Types of Transmission Media
Lesson Details
Strand: 2.0 Computer Networking
Sub Strand: 2.2 Data Transmission Media
Duration: 40 minutes (Single lesson)
Lesson: 2 of 4
Class Level: Grade 10
Key Inquiry Question (Lesson Starter)
What factors determine the choice of transmission media for different networking scenarios?
Specific Learning Outcomes
By the end of the lesson, the learner should be able to:
a) describe the types of transmission media in computer networks,
b) classify transmission media into guided and unguided categories,
c) compare characteristics of different transmission media,
d) appreciate the role of transmission media in computer networking.
Selected Learning Experiences
Introduction (6 minutes)
- Review homework: Check illustrated glossaries and process flow diagrams
- Pose the key inquiry question
- Show different types of cables and ask: “Why do we have so many different types of cables and wireless technologies?”
- Brief discussion on media they’ve encountered (Ethernet cables, Wi-Fi, Bluetooth, fiber optic)
- Explain that different media suit different purposes
- Introduce the two main categories: guided and unguided media
Development Activities (29 minutes)
Activity 1: Types of Transmission Media Overview (12 minutes)
- Watch a video on types of transmission media (5-7 minutes)
- Discuss the types of transmission media used in computer networks
Two Main Categories:
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