Sobre network
Sobre network
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知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。
Das neue Gebäude hab ich ein einziges Mal nach der Eröffnung besucht, die Auswahl war für mich nicht mehr brauchbar. Seitdem auch immer wieder em linha gesucht, aber am Ende keinen Euro mehr dort gelassen da entweder nicht lagernd oder gar nicht gelistet.
When you buy a new computer, the first thing you’ll probably try to do is connect to the Internet. To do this, you establish a connection to your router, which receives the data from the Net and then forwards it to the computer.
OSI stands for Open Systems Interconnection. It is a reference model that specifies standards for communications protocols and also the functionalities of each layer.
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Service provider networks. These are network providers that lease network capacity and functionality to customers. Providers typically consist of telecommunication companies, data carriers, Net service providers and cable television providers.
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Devices 男同网 attached to a computer network use IP addresses that are resolved into hostnames through a domain name system server to communicate with each other over the internet and on other computer networks.
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Star Topology: In star topology all devices are connected to a central node called hub or switch. The hub controls the flow of data between devices. If one device fails the rest of the network is unaffected. But, if the central hub fails the whole network stops working.
Network: A network is a collection of computers and devices that are connected together to enable communication and data exchange.
The working of Computer Networks can be simply defined as rules or protocols which help in sending and receiving data via the links which allow Computer networks to communicate. Each device has an IP Address, that helps in identifying a device.
Transport layer. This layer ensures the stable, sequenced and error-free delivery of data packets. It achieves this by swapping acknowledgment of data reception and retransmitting lost or dropped packets. Typical protocols used at the transport layer include TCP and User Datagram Protocol.