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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

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  1. 18 April, 12:21
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    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:-

    Physical Data Link Network Transport Session Presentation Application

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

    Link Internet Transport Application

    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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