Zusammenfassung der Ressource
Protocol Layers
- Application Layer
- It deals with the Apps on the
device. It turns the information of a
website or application into data.
- It's hardware is located inside
the device and it uses protocols
of HTTP, FTP and SMTP
- Order Of The Layers
- Application Layer (1)
- Transport Layer (2)
- Network Layer (3)
- Link Layer (4)
- Transport Layer
- It deals with data flow. It splits it into
packets along with adding all the
relevant information. (Header,Source
address, Destination address, Check
sum & the data being sent)
- Its hardware consist of Proxy
servers, Gateways and Firewalls.
It uses the protocol TCP
- Network Layer
- It makes connections between
networks and directs the data across
the network (Packet Switching)
- Its hardware are
routers and switches.
It uses the Protocol IP.
- Link Layer
- It deals with the Hardware of the
network. it also manages the signals
to and from the network connections.
- Its hardware consists of cables,
hubs and connectors. It uses
the Protocol Ethernet and Wifi