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What is ping

The title ping is one of the most popular and the most useful tools used for making a diagnosis of network connections based on the TCP/IP protocol. Its implementation can be encountered practically in every operating system supporting the above-mentioned protocol.
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What is DSL

The notion DSL (Digital Subscriber Line) hides in itself a family of technologies enabling transmission of digital data of a maximum bandwidth up to 40 Mb/s, with the use of classic analogue telephone lines.
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What is GPRS

GPRS is a technology of a cordless transfer of data, used in mobile communications, based on a package method. The main fundamental assumption of GPRS is a division of transmitted data into separate packages, instead of a used so far method of continuous transmission.
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What is ICMP

ICMP (Internet Control Message Protocol) is one of the ISO/OSI network layer protocol. Its task is to operate a control function of correctness of the working network. With the help of ICMP it is possible to send different kinds of low-level messages about detected abnormalities during network connections.
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What is latency

“Latency” is a general term which means, especially in widely understood computer systems, all kinds of delay during performing a given operation. Coming to more details, namely to computer networks, “latency” is defined as all kinds of stoppages or delays which occur during transmission of data packets, and in processing the received ones or the data prepared to be sent.
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What is aDSL?

ADSL (Asymmetric Digital Subscriber Line) is technology from the xDSL family serving for ensuring an access to tele-computer lines, so the most frequently – the Internet.
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What is vDSL?

VDSL (Very high speed Digital Subscriber Line) belongs to the xDSL family of technologies. It is mainly used for digital subscriber lines in which a very high transmission speed is required.
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Fiber optics

Some kind of transmission medium goes under a colloquial name of fiber-optics. They use luminous signal (not e.g. electromagnetic impulses) for sending information.
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What is WiMAX

The name WiMax defines one of technologies of cordless access to teleinformatic networks, and in practice – simply to the Internet.
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