What is the Internet?

1) The Internet, from the literal meaning of disassembly, is that interconnected network, to be supported by computers and networks.
2) computers are familiar with the office, entertainment, audio and video of a tool, is a great invention for the benefit of mankind.
3) network-related is the switch, router, domain name, IP address and so on
Switch: Implements data exchange for the transfer between computers
Router: Implement intranet Access (convert private address to public address)
Domain Name: for example (www.baidu.com)
IP address: Only in the same network access, composed of 32-bit binary (0, 1), 8 bits per segment and converted to 10, public IP address: Toll Private IP address: Free Subnet mask: Determine whether the same network segment.
4) Sharing files
Create a new folder (save shared data), right--sharing with advanced sharing (tick)

Note: You can only share folders by default, and be aware of shutting down firewalls

Security protection: Default Windows shares all disks

查看共享：Windows键+R --> cmd --> net share删除共享：Windows键+R --> cmd --> net share 共享名 /del隐藏共享：共享名后$

Access: Windows key +r-\ip

       Windows键+R --> \\IP\共享名       Windows键+R --> \\IP\共享名$

Note: Windows sharing must have three services turned on, Windows key +r---------------services.msc Workstation, Server, Computer Browser Three services right-click Open

What is the Internet?