Simplex vs Half Duplex vs. Full Duplex - CISSP - Communications and Network Security

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Communications and Network Security - Simplex vs. Half Duplex vs. Full Duplex Explained
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**I Am NOT An Expert! **

As a method of studying for the CISSP, I am attempting to briefly explain the concepts I am learning in an an effort to help me, and perhaps fellow students.

For an overview of my plan have a look here:    • CISSP - Learning Through Teaching - Introd...  

Please take everything with a grain of salt.If I'm missing something or focusing on the wrong aspect of a concept or term, please post your comment to let me know.
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Simplex vs. Half Duplex vs. Full Duplex Explained - Notes

Simplex: Communications that only go one way. So … think of a radio or television, you can’t send anything back you just receive it.

Half Duplex: Communications that can go either way but have to wait for each other. Think of a one lane road on a bridge where you have to wait for the other drive to pass before you can go.
o Data can travel in both directions but not at same time.

Full Duplex: Data can travel in both directions at the same time. Like a two lane highway.