What is Network Devices

What is Network Devices :- Computer Networking devices can communicate two or more different network without these Devices network communication can’t be possible.

Type of Network Devices :-

# Repeater
# Hub
# Bridge
# Switch
# Router
# Proxy
# Firewall

1) Repeater :- A Repeater is an electronic device that receives a signal and re-transmits it at a higher level.

2) Hub :- A Hub is a device for connecting multiple Ethernet devices (host). Hub can broadcast the message. Hub work at the Physical layer of the OSI model. Type of HUB are Passive Hub, Active Hub, Intelligent Hub.

3) Bridge :- A Bridge can connects more than one network segment. Bridge can managing the flow of data between first two layers.

4) Switch :- A Switch can links Network Segments or Network Devices.

5) Router :- A Router can forwards data Packets between different Computer Networks.

6) Proxy :- A Proxy Server is a Server that acts as an intermediate for requests from clients seeking resources from other Server.

7) Firewall :- A Firewall can either be Software or Hardware based and is used to help a network secure. It control the Incoming and Outgoing Network traffic by analyzing the data packets.

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