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Friday, June 30, 2017

Computer Networking Tutorial For Beginners, Cisco, Juniper, Basics Network Fundamentals

Computer Networking Tutorial For Beginners, Cisco, Juniper, Basics Network Fundamentals.

A Computer Network Or Data Network Is A Telecommunications Network That Allows Computers To Exchange Data. In Computer Networks, Networked Computing Devices Pass Data To Each Other Along Data Connections. Data Is Transferred In The Form Of Packets. The Connections (Network Links) Between Nodes Are Established Using Either Cable Media Or Wireless Media. The Best-Known Computer Network Is The Internet.

Network Computer Devices That Originate, Route And Terminate The Data Are Called Network Nodes. Nodes Can Include Hosts Such As Personal Computers, Phones, Servers As Well As Networking Hardware. Two Such Devices Are Said To Be Networked Together When One Device Is Able To Exchange Information With The Other Device, Whether Or Not They Have A Direct Connection To Each Other.

Computer Networks Support Applications Such As Access To The World Wide Web, Shared Use Of Application And Storage Servers, Printers, And Fax Machines, And Use Of Email And Instant Messaging Applications. Computer Networks Differ In The Physical Media Used To Transmit Their Signals, The Communications Protocols To Organize Network Traffic, The Network's Size, Topology And Organizational Intent.

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