Internet Backbone

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NSP    NSP   NSP  - Network Service Provider (Govt)

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ISP ISP   - Internet Service Provider (Electronic Post Office)

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End User

Search Engine - Google

Web Browser - Safari

FTP - File transfer protocol is used to transfer or upload files to the internet

URL - Uniform resource locator, this is the address of a webpage or website.

HTTP - Hyper Text Transfer Protocol, would be used to establish the connection.