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  2. Physical layer - Wikipedia

    en.wikipedia.org/wiki/Physical_layer

    The Internet protocol suite, as defined in RFC 1122 and RFC 1123, is a high-level networking description used for the Internet and similar networks. It does not define a layer that deals exclusively with hardware-level specifications and interfaces, as this model does not concern itself directly with physical interfaces. [9] [10]

  3. DOCSIS - Wikipedia

    en.wikipedia.org/wiki/DOCSIS

    DOCSIS. Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable television operators to provide cable Internet access over their existing hybrid fiber-coaxial (HFC ...

  4. List of interface bit rates - Wikipedia

    en.wikipedia.org/wiki/List_of_interface_bit_rates

    List of interface bit rates. This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels. The distinction can be arbitrary between a computer bus, often closer in space, and larger ...

  5. Cable modem - Wikipedia

    en.wikipedia.org/wiki/Cable_modem

    A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial (HFC), radio frequency over glass (RFoG) and coaxial cable infrastructure. Cable modems are primarily used to deliver broadband Internet access in the form of cable Internet, taking advantage of the ...

  6. Tier 1 network - Wikipedia

    en.wikipedia.org/wiki/Tier_1_network

    Tier 1 network. A Tier 1 network is an Internet Protocol (IP) network that can reach every other network on the Internet solely via settlement-free interconnection (also known as settlement-free peering). [1][2] Tier 1 networks can exchange traffic with other Tier 1 networks without paying any fees for the exchange of traffic in either ...

  7. Modem - Wikipedia

    en.wikipedia.org/wiki/Modem

    v. t. e. A modulator-demodulator or most commonly referred to as modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. A modem transmits data by modulating one or more carrier wave signals to encode digital information, while the receiver ...

  8. Twisted pair - Wikipedia

    en.wikipedia.org/wiki/Twisted_pair

    Level 1: 400 kHz Telephone and modem lines Not described in EIA/TIA recommendations. Unsuitable for modern systems. [17] Level 2: 4 MHz Older terminal systems, e.g. IBM 3270: Not described in EIA/TIA recommendations. Unsuitable for modern systems. [17] Cat 3: UTP [18] 16 MHz [18] 10BASE-T, 100BASE-T4 [18] Described in EIA/TIA-568.

  9. List of network protocols (OSI model) - Wikipedia

    en.wikipedia.org/wiki/List_of_network_protocols...

    Many of these protocols are originally based on the Internet Protocol Suite (TCP/IP) and other models and they often do not fit neatly into OSI layers. 7. Application layer. 6. Presentation layer. 5. Session layer. 4. Transport layer.

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