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Nick Leeman 2021-11-03 23:01:46 +01:00
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commit 29dc408996
2 changed files with 13 additions and 8 deletions
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12
.obsidian/workspace vendored
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@ -9,7 +9,7 @@
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"file": "School/Analyse/Layers/1. Physical Layer.md", "file": "School/Analyse/Layers/3. Network Layer.md",
"mode": "source" "mode": "source"
} }
} }
@ -68,7 +68,7 @@
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"sortOrder": "alphabetical", "sortOrder": "alphabetical",
@ -87,15 +87,15 @@
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9
School/Analyse/Layers/1. Physical Layer.md
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@ -125,10 +125,15 @@ Transmission media are divided in 2 groups.
### Guided media ### Guided media
Guided media like cables provide a conduit from one device to another. Guided media like cables provide a conduit from one device to another.
I like to think of it as you can steer the signal by moving the I like to think of it as you can steer the signal by moving the cable for example.
Coaxial cable, twisted pair cable and fiber optic cables.
Coaxial cable, twisted pair cable and fiber optic cables.
![[type-cables.png]] ![[type-cables.png]]
### Unguided media ### Unguided media
Unguided media transport electromagnetic waves without using a physical conductor.
This is called wireless transmission. (Technically using the air around you as a conductor)
Signals are broadcast tough space and thus available for everyone to pick up.