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The X.25 standard specifies three layers of functionality.Which layers of the OSI model correspond to the X.25 layers?A．the Physical, Network, and Session LayersB．the Physical, Data Link, and Network LayersC．the Physical, Data Link, and Transport LayersD．

题目

The X.25 standard specifies three layers of functionality.Which layers of the OSI model correspond to the X.25 layers?

A．the Physical, Network, and Session Layers

B．the Physical, Data Link, and Network Layers

C．the Physical, Data Link, and Transport Layers

D．the Physical, Session, and Presentation layers

相似考题

1.The following three concepts are essential to the OSI model: service, interface andA．networksB．applicationsC．protocolsD．layers

2.A GIS stores information about the world as a collection of thematic ______ that can be linkedtogether by geography．A．filesB．objectsC．documentD．layers

3.下列有关Layers描述正确的是:()A.layers调板中的眼睛图标代表层的可见性B.锁定图层可使图层上的物体处于锁定状态C.使用layers调板右上角弹出菜单中的FlattenArtwork命令可以合并所有可见层，同时删除不可见层D.层的顺序是不可以改变的

4.动态网页技术包括()。A. JavaScriptB.VBScriptC. GSSD.Layers

更多“The X.25 standard specifies three layers of functionality.Which layers of the OSI model co ”相关问题

  • 第1题：

    To reduce their design complexity, most networks are organized as a stack of(72), each one built upon the one below it.

    A．blocks

    B．modules

    C．pieces

    D．layers


    正确答案：D
    解析：参考译文：为了减少其设计的复杂性，大多数网络都组织成一个堆叠的层次结构，其中每一层都基于下一层而设计。

  • 第2题：

    AsacriticalpartofthedesignfortheEnterpriseCampusnetwork,whichofthefollowingtwoaretrueconcerningintrusiondetectionandpreventionsolution?()

    A.IDSiscapableofbothinlineandpromiscuousmonitoring，whileIPSisonlycapableofpromiscuousmonitoring

    B.IDSwillstopmalicioustrafficfromreachingitsintendedtargetforcertaintypesofattacks.

    C.IPSprocessesinformationonLayer3and4aswellasanalyzingthecontentsandpayloadofthepacketsformoresophisticatedembeddedattacks（Layers3to7）

    D.IPSinspectstrafficstatefullyandneedstoseebothsidesoftheconnectiontofunctionproperly

    E.IDSplacementattheperimeterofDataCenteroutsidethefirewallgeneratesmanywarningsthathaverelativelylowvaluebecausenoactionislikelytobetakenonthisinformation


    参考答案：C, E

  • 第3题：

    The TCP/IP stack is a complete set of networking protocols.The OSI Model was meant to be a standardized way of connecting devices together,and most protocols have some direct correlation to the OSI Model.The OSI Model has 7 layers,the fourth layer is called______.

    A.physical layer
    B.data link layer
    C.application layer
    D.transport layer

    答案：D
    解析：

  • 第4题：

    The TCP/IP stack is a complete set of networking protocols. The OSI Model was meant

    to be a standardized way of connecting devices together. and most protocols have some direct

    correlation to the OSI Model. The OSI Model has 7 layers. the foruth layer is called(75)

    A. physical layer

    B. data link Iayer

    C.application layer

    D.transport layer


    正确答案：D
    TCP/IP协议栈是一种网络协议实现。OSI模型是用来进行设备间连接标准化的一种模型。OSI模型包含7层，第四层是传输层。

  • 第5题：

    DreamWeaver的Insert菜单中,插入表格是下面的哪一项?

    A. Image

    B. Table

    C. Horizontal Rule

    D. Layers


    答案B

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