D - Definitions

  • D

    distributed antenna system (DAS)

    A distributed antenna system (DAS) is a way to deal with isolated spots of poor coverage inside a large building by installing a network of relatively small antennas throughout the building to serve as repeaters.

  • DoCoMo (NTT DoCoMo)

    DoCoMo, also known as NTT DoCoMo, is a Japanese communications corporation that has introduced a line of cell phone sets that contain the equivalent of a digital smart card.

  • downlink and uplink

    These terms should not be confused with downstream and upstream.

  • drive-by spamming

    Drive-by spamming is a variation of drive-by hacking in which the perpetrators gain access to a vulnerable wireless local area network (WLAN) and use that access to send huge volumes of spam.

  • Dropbox

    Dropbox is a cloud storage provider (sometimes referred to as an online backup service) that is frequently used as a file-sharing service.

  • dual persona (mobile device management)

    Dual persona, in a mobile management context, is the provisioning and maintenance of two separate and independent end user environments on a single mobile device. Dual persona technology addresses one of the challenges of the bring your own device trend: how to exercise IT control over employees' personal devices without infringing on their right to privacy.

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