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OSI model
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words: 250
articles: 20
Table of contents
250
20
Physical layer
(OSI layer 1)
OSI model
130
2
Sneakernet
Physical layer
Universal asynchronous receiver-transmitter
(UART)
Physical layer
116
Data link layer
(OSI layer 2)
OSI model
91
10
Bluetooth
(1997)
Data link layer
Ethernet
(1980)
Data link layer
60
6
Ethernet physical layer
Ethernet
60
5
Ethernet cable
Ethernet physical layer
60
4
Ethernet over twisted pair
Ethernet cable
28
2
Category 5 cable
(4 twisted pairs)
Ethernet over twisted pair
28
1
Cat 5e
(2.5 Gbit/s)
Category 5 cable
28
Ethernet over fiber
Ethernet cable
Wi-Fi
(2-6 GHz, 1997)
Data link layer
31
1
Eduroam
Wi-Fi
Network layer
(OSI layer 3)
OSI model
29
4
Internet Control Message Protocol
(ICMP)
Network layer
29
3
ICMP runs on top of IP
Internet Control Message Protocol
15
The Linux kernel responds to ICMP directly
Internet Control Message Protocol
14
ping
(networking utility)
Internet Control Message Protocol
Transport layer
(OSI layer 4)
OSI model
Ancestors
(6)
Computer network
Computer
Information technology
Area of technology
Technology
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