Ch 10 · Check Your Understanding · Theory
Topic 10 of 10 in Networks & Data Transmission — How Machines Talk — 4 lessons.
Transmission
Security
Addressing
Foundation Secured
You can now explain how bits travel (serial/parallel, duplex modes), how errors are caught (parity, checksum, check digit), how data is kept private (symmetric/asymmetric encryption), how networks and the internet are organised, what protocols and layers do, and how packet switching moves data resiliently.