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  • NAK (negative acknowledgment or not acknowledged)

    NAK is an abbreviation for negative acknowledgment or not acknowledged.  Definition

  • X.25

    The X.25 protocol, adopted as a standard by the Consultative Committee for International Telegraph and Telephone (CCITT), is a commonly-used network protocol.  Definition

  • What is network latency?

    Learn what network latency is in this expert response.  Ask the Expert

  • Is going from one Web site to another a download?

    Learn what the true definition of a download is and whether going from one Web site to another falls under this category in this Q&A with Amy Kucharik.  Ask the Expert

  • connectionless

    In telecommunication, connectionless describes communication between two network end points in which a message can be sent from one end point to another without prior arrangement.  Definition

  • circuit-switched

    Circuit-switched is a type of network in which a physical path is obtained for and dedicated to a single connection between two end-points in the network for the duration of the connection.  Definition

  • duplex

    In telecommunication, duplex communication means that both ends of the communication can send and receive signals at the same time.  Definition

  • dumb network

    A dumb network is one that provides the physical interconnection between nodes but not much processing to support signaling.  Definition

  • SDH (Synchronous Digital Hierarchy)

    SDH (Synchronous Digital Hierarchy) is a standard technology for synchronous data transmission on optical media.  Definition

  • What is the difference between online backup and offline backup?

    What is the difference between online backup and offline backup? Find out from SearchNetworking.com's networking help desk expert, Amy Kucharik.  Ask the Expert

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