1c: Principles of Data Communications: Media Characteristics

Table of Contents

1. Introduction
2. The Electromagnetic Spectrum
   1. Electromagnetic Spectrum Visualised
   2. EM Waves SAQ
3. Media Characteristics
   1. Guided media
4. Coaxial Cable
   1. Types of Coaxial Cable
   2. Thinnet (10Base2)
   3. Thinnet Connections
   4. BNC Components
   5. Thicknet (10Base5)
   6. Thicknet Connections
   7. Cabling SAQ 1
5. Twisted Pair
   1. Unshielded Twisted Pair (UTP) Cable
   2. Shielded Twisted Pair (STP) Cable
   3. Twisted Pair Cable Components
   4. TIA/EIA Standards
   5. Other UTP Standards
   6. Cabling SAQ 2
6. Fibre Optic Cable
   1. How Fibre-Optic Cable Works
   2. Advantages and Disadvantages of Fibre
   3. Multi-Mode Fibre
   4. Single Mode (Mono Mode)
   5. Fibre Connectors
   6. Cabling SAQ 3
   7. Cabling SAQ 4
   8. Balanced and Unbalanced Lines
7. Unguided Media
8. Radio Transmission
   1. Satellite Transmission
   2. Satellite Orbits
   3. Low Earth Orbit (LEO)
   4. Geosynchronous Earth Orbit (GEO)
   5. Polar Orbit
   6. A Satellite's Coverage Area
   7. Satellite Advantages and Disadvantages
   8. Unguided Media SAQ 1
   9. Satellite Practical
9. Microwave Transmission
   1. Principles of Microwave Transmission
   2. Microwave Advantages and Disadvantages
   3. Unguided Media SAQ 2
   4. Media Characteristics Crossword
   5. Formative Assessment

Unguided Media SAQ 1

1	Satellite What is the period of a GEO satellite? a) 90 Minutes b) 3 hours c) 12 hours d) 24 hours That's correct. Well done.That's incorrect. Try again.Your answer has been saved.

2	Radio Transmission Distance What determines the distance covered by radio transmission? a) line of sight from transmitter to receiver b) the curvature of the earth c) the number of antennas d) the number of receivers That's correct. Well done.That's incorrect. Try again.Your answer has been saved.

Next: Satellite Practical