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关于IP电话系统的描述中,正确的是

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  • 【名词&注释】

    发现问题、网络营销(network marketing)、不存在(there is no)、承包合同(contract)、活动范围(range of motion)、工作小组(work group)、紧密联系(tight link)、多点通信(multipoint communication)、电子信箱(electronic mailbox)、解决办法。

  • [多选题]关于IP电话系统的描述中,正确的是

  • A. 终端必须是专用电话
    B. 通过MCU实现多点通信(multipoint communication)
    C. 网关负责用户注册
    D. 网守负责MCU的管理
    E. 网关可看作H.323设备

  • 查看答案&解析
  • 举一反三:
  • [单选题]监理合同自(29)开始生效。
  • A. 合同签字之日
    B. 合同写明开始监理之日
    C. 监理单位实际开始监理工作主日
    D. 承包合同开始执行之日

  • [单选题]在Outlook窗口中,新邮件的“抄送”文本框输入的多个电子信箱(electronic mailbox)的地址之间,应用______作分隔。
  • A. 分号(;)
    B. 逗号(,)
    C. 冒号(:)
    D. 空格

  • [单选题]在项目进度控制中,(28)不适合用于缩短活动工期。
  • A. 准确确定项目进度的当前状态
    B. 投入更多的资源
    C. 改进技术
    D. 缩减活动范围

  • [多选题]● People are indulging in an illusion whenever they find themselves explaining at a cocktail(鸡尾酒) party, say, that they are "in computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of the high-tech world. Just between us, they usually aren't. The researchers who made fundamental breakthroughs in those areas are in a high-tech business. The rest of us are (71) of their work. We use computers and other new technology components to develop our products or to organize our affairs. Because we go about this work in teams and projects and other tightly knit working groups(紧密联系(tight link)在一起的工作小组), we are mostly in the human communication business. Our successes stem from good human interactions by all participants in the effort, and our failures stem from poor human interactions.The main reason we tend to focus on the (72) rather than the human side of the work is not because it's more (73) , but because it's easier to do. Getting the new disk drive installed is positively trivial compared to figuring out why Horace is in a blue funk(恐惧) or why Susan is dissatisfied with the company after only a few months. Human interactions are complicated and never very crisp(干脆的,干净利落的) and clean in their effects, but they matter more than any other aspect of the work.
  • A. If you find yourself concentrating on the (74) rather than the (75), you're like the vaudeville character(杂耍人物) who loses his keys on a dark street and looks for them on the adjacent street because, as he explains, "The light is better there!".
    B. (71)
    C. creators
    D. innovators
    E. appliers
    F. inventors
    G. (72)
    H. technical
    I. classical
    J. social
    K. societal
    L. (73)
    M. trivial
    N. crucial
    O. minor
    P. insignificant
    Q. (74)
    R. technology
    S. sociology
    T. physiology
    U. astronomy
    V. (75)
    W. technology
    X. sociology
    Y. physiology
    Z. astronomy

  • [多选题]防火墙配置时应确保服务不开放()。
  • A. Rlogin
    B. NNT
    C. Finger
    D. NFS

  • [单选题]●以下关于网络营销渠道的叙述中,正确的是(44) 。(44)
  • A. 网络营销渠道中不存在中间商
    B. 网络营销渠道保障了收款和交货同时完成
    C. 网络营销渠道不存在多级分销渠道
    D. 网络营销渠道不适合小批量商品的销售

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