What are the differences in lan and wan and how they are used to increase cybersecurity
2. how the osi model and tcp/ip layer align and work together

Local Area Network(LAN):-It is a group of computers usually connected together in a small geographical area for example:-building,office,school etc.

The speed in a LAN is high upto 1000 mbps.

Wide Area Network(WAN):-The computer network which cover a large area.The internet can be a good example of WAN.It consists of LANs and MANs .

The speed is less than LAN upto 150 mbps.

SD-WAN can be used to increase cybersecurity in WANs.

There are different ways in which LAN is used to increase cybersecurity.for ex:-

There are different LANs for ex: wireless security enabled LAN,firewalls installed LAN etc.

The OSI model consists of 7 layers which are as following:-

While TCP/IP consists of less layers than OSI model which are as following:-

TCP(Transmission Control Protocol) is the main protocol that run in the layer 4.IP(Internet Protocol) runs under the layer 3.That's why it's named as TCP/IP suite.

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