Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)A．Full-duplex Ethernet uses CSMA/CD to prevent collisions.B．Half-duplex Ethernet uses a loopback circuit to dete

题目

Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)

A．Full-duplex Ethernet uses CSMA/CD to prevent collisions.

B．Half-duplex Ethernet uses a loopback circuit to detect collisions.

C．A full-duplex Ethernet card allows 20Mbps for data transmission.

D．Full-duplex Ethernet makes use of two pairs of wires for data.

E．An Ethernet hub can operate both half and full duplex simultaneously.

相似考题

1.The beauty of the place is beyond＿．(describe)

2.A programmer must know about a function’s(74)to Call it correctly．A．locationB．algorithmC．InterfaceD．statements

3.A programmer must know about a function's ______ to call it correctly.A．locationB．algorithmC．InterfaceD．statements

4.You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

更多“Which of the following statements correctly describe the differences between half－duplex a ”相关问题

  • 第1题：

    3．Is her lifestyle. the same as yours or ________? What are the________?

    A． difference， different

    B． different ，difference

    C． different ，differences

    D． difference ， differences


    正确答案：C

  • 第2题：

    I don't quite follow what she is saying.

    A:observe
    B:understand
    C:explain
    D:describe

    答案：B
    解析：

  • 第3题：

    he government issued a warning to local companies that all waste must be disposed of_________ or they will face heavy fines.

    A. corrects
    B. correcting
    C. correction
    D. correctly

    答案：D
    解析：
    政府向当地企业发出警告：所有废弃物必须妥善处理，否则企业将被处以大量罚金。allwaste must be disposed of语法结构完整，横线处应填人修饰be disposed of的副词，故D为正确答案。

  • 第4题：

    English teachers often ask students to __________ a passage to get the gist of it.

    A．skim
    B．scan
    C．predict
    D．describe

    答案：A
    解析：
    考查英语阅读策。读(skim)指快速阅读文章以了解其内容大意(gist)的阅读方法。换句话说，读是要求读者有选择地进行阅读，可跳过某些细节，以求抓住文章(gist)的大概，从而加快阅读速度。因此选A。

  • 第5题：

    Norman Blarney is an artist of deep convictions.

    A: claims
    B:suggestions
    C: beliefs
    D:statements

    答案：C
    解析：
    句意：诺曼.布莱梅是一个有坚定信念的艺术家，句中画线部分conviction意为 “信念”。claim意为“要求，声称”。suggestion意为“建议”。belief意为“相信，信赖”。 statement意为“声明，陈述”。画线部分和C项意义接近。故选C项。

  • 第6题：

    有一份数据，需要查看数据的类型，并将部分数据做强制类型转换，以及对数值型数据做基本的描述性分析。下列的步骤和方法正确的是（）

    A．dypes 查看类型，asype转换类别，describe 描述性统计

    B．astype 查看类型，dtypes 转换类别、describe 描述性统计

    C．describe 查看类型，astype 转换类别，dtypes 描述性统计

    D．dtypes查看类型，describe转换类别，astype 描述性统计


    C、GetType()

相关内容