mirror of
https://github.com/jackyzha0/quartz.git
synced 2025-12-27 14:54:05 -06:00
vault backup: 2022-10-25 10:18:06
This commit is contained in:
parent
e05cf7e8e1
commit
e5d8e61e43
@ -6,7 +6,22 @@ tags:
|
|||||||
---
|
---
|
||||||
|
|
||||||
# Overview
|
# Overview
|
||||||
|
Physical Media
|
||||||
|
- TP cable
|
||||||
|
- two wired twisted together surrounded by a shield
|
||||||
|
- signal and ground reference
|
||||||
|
- short range (100meters)
|
||||||
|
- phone, DSL, ethernet lan
|
||||||
|
- Coaxial
|
||||||
|
- inner conductor
|
||||||
|
- insulator
|
||||||
|
- outer conductor (shield)
|
||||||
|
- insulator
|
||||||
|
- plastic cover
|
||||||
|
- long distance high speed: cable tv ethernet lan
|
||||||
|
- fibre optic
|
||||||
|
- light within glass
|
||||||
|
- high speed low error
|
||||||
# Application Layer
|
# Application Layer
|
||||||
[Application Layer](notes/Application Layer)
|
[Application Layer](notes/Application Layer)
|
||||||
# Transport Layer
|
# Transport Layer
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user