What is Switch, Routers, VLAN ? What is OSI model? What is TCP/IP ?

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Accepted Answer

Switches and routers are networking devices that help in data transmission. VLAN is a logical grouping of devices. OSI model and TCP/IP are networking protocols.

Switches are used to connect devices within a network and forward data packets between them.
Routers are used to connect different networks and forward data packets between them.
VLAN is a logical grouping of devices that allows for better network management and security.
OSI model is a conceptual model that describes how data is transmitted over a network. It has seven layers, each with a specific function.
TCP/IP is a set of protocols that governs how data is transmitted over the internet. It consists of four layers: application, transport, internet, and network access.

What is Switch, Routers, VLAN ? What is OSI model? What is TCP/IP ?

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