# Data Transmission

- [2.1 Types & Methods of Data Transmission](/main/igcse-computer-science/data-transmission/2.1-types-and-methods-of-data-transmission.md)
- [2.2 Methods of Error Detection](/main/igcse-computer-science/data-transmission/2.2-methods-of-error-detection.md)
- [2.3 Symmetric & Asymmetric Encryption](/main/igcse-computer-science/data-transmission/2.3-symmetric-and-asymmetric-encryption.md)