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7.2. Networking standards (Protocols (Handle errors, Compress data, Divide…
7.2. Networking standards
Standards
Open
Proprietary
Protocols
Handle errors
Compress data
Divide and package data
Address data packets
Control delivery timing
Reference models
OSI - Open Systems Interconnect
7 Application
6 Presentation
5 Session
4 Transport
3 Network
2 Data link
1 Physical
TCP/IP
4 Application
3 Transport
2 Internet
1 Network access
Data transfer
PDU - Protocol data unit
Data
Segment
Packet
Frame
Bits
Encapsulation
De - Encapsulation
Ethernet Standards
CSMA/CD - Carrier Sense Multiple Access with Collision Detection
Carrier
Sense
Multiple access
Collision Detection
Cable Standards
CSMA/CA - Carrier Sense Multiple Access with Collision Avoidance (wireless)
Wireless Standards
802.11a, 802.11b, 802.11g
802.11n
802.11ac
Wireless Security - Authentication
Open
Shared key
WEP
WPA
WPA2