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EMC标准是为了保证()正常工作而制定的。

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  • 【名词&注释】

    时间复杂度(time complexity)、二进制、第一个(first)

  • [单选题]EMC标准是为了保证()正常工作而制定的。

  • A. 网络
    B. 媒体
    C. 信息
    D. 系统和设备

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [多选题]● The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The (71) of passing through each network is the same; it is one (72) count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required. A (73) through a network can have different costs (metrics). For example, if maximum (74) is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum (75) is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service.(71)
  • A. number
    B. connection
    C. diagram
    D. cost
    E. (72)
    F. process
    G. hop
    H. route
    I. flow
    J. (73)
    K. flow
    L. window
    M. route
    N. cost
    O. (74)
    P. packet
    Q. throughput
    R. error
    S. number
    T. (75)
    U. delay
    V. stream
    W. packet
    X. cost

  • [单选题]
  • B. 存放一个字节的单元信息 C. 存放一个数据的单元集合 D. 存放一个字的单元集合

  • A. 存放一个二进制信息位的单元集合B. 存放一个字节的单元信息
    B. 存放一个数据的单元集合
    C. 存放一个字的单元集合

  • [单选题]单向链表中往往含有一个头结点,该结点不存储数据元素,一般令链表的头指针指向该结点,而该结点指针域的值为第一个元素结点的指针。以下关于单链表头结点的叙述中,错误的是( )。
  • A. 若在头结点中存入链表长度值,则求链表长度运算的时间复杂度为O(1)
    B. 在链表的任何一个元素前后进行插入和删除操作可用一致的方式进行处理
    C. 加入头结点后,代表链表的头指针不因为链表为空而改变
    D. 加入头结点后,在链表中进行查找运算的时问复杂度为O(1)

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