一起答
单选

以下关于路由器的说法不正确的是(42)。

  • A.不同的网络在网络层采用IP协议,按IP地址通信,由路由器将它们连接起来
  • B.路由器是用来连接不同网络或不同子网的设备
  • C.一个网络上只能有一台路由器
  • D.在一个园区内通常由边界路由器与外界连接
参考答案
查看试卷详情
相关试题
  1. (76)

    • A.dose to
    • B.during
    • C.within
    • D.beyond
  2. (74)

    • A.storage
    • B.data
    • C.range
    • D.link
  3. (73)

    • A.set
    • B.host
    • C.secondaries
    • D.record
  4. (75)

    • A.peripherals
    • B.database
    • C.the interface
    • D.clients
  5. (71)

    • A.DNA
    • B.SNA
    • C.the OSI
    • D.the ISO
  6. One of the functions of the(71)is to store the applications programs { or the various secondaries.  The(72)may have similar or dissimilar functions. The same control code received from two different, secondaries may warrant two different actions on the part of the host computer. If the system so requires, the host computer must also provide(73)for the centralized data and the software for database management. Data information is normally stored in auxiliary memories to which the computer has ready access. The(74)peripherals connected to the host computer allow for human entry and intervention. As needs change, application programs may require additions,  deletions, or changes. Data link problems also arise which are(75)the range of the computer's programmed capabilities. In such cases, human entry is required to make the necessary changes to resolve the existing problems.

    • A.peripherals
    • B.host computer
    • C.the interface
    • D.the client
  7. (70)

    • A.multi - user
    • B.client
    • C.server
    • D.full - user
  8. (68)

    • A.database
    • B.data representation
    • C.protocols
    • D.data communication
  9. (69)

    • A.same
    • B.similar
    • C.different
    • D.dependent
  10. (66)

    • A.求关键路径的方法
    • B.求最短路径的Dijkstra方法
    • C.深度优先遍历算法
    • D.广度优先遍历算法