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更多“Which two protocols are connection-oriented?() ”相关问题
  • 第1题:

    TheONS15216isa32-channelsystem.TheONS15216OADMsarecapableofaddinganddroppingone,two,orfourchannels.HowaretheOADMsprovisionedtoaddanddropspecificchannels?()

    A.TheONS15216OADMcanbeprovisionedtoadd/dropone,two,orfourchannelsviaCiscoTransportManager(CTM).

    B.TheONS15216OADMconsistsonlyofafour-channelmodule,andthenumberofportsutilizeddetermineswhetheritisaone,two,orfourchannelOADM.

    C.ThreeseparateOADMmodulesareavailableforone,two,andfourchannels.ThewavelengthstobedroppedandaddedareprogrammableviaCiscoTransportManager(CTM).

    D.TheONS15216OADMconsistsonlyofasingle-channelmodule.Two-channelandfour-channelsupportisavailablebystackingthesingle-channelmodule.

    E.TheONS15216OADMisavailableinone,two,fourchannels.Thereare32single-channelOADMmodules,16two-channelOADMmodules,and8four-channelOADMmodules.


    参考答案:E

  • 第2题:

    About ________ of the workers in the factory were born in the ________.

    A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s


    正确答案:B

  • 第3题:

    For data transmission to be successful,sending and receiving devices must follow a set of communication rules for the exchange of information. These rules are known as ( ).

    A.E-mail
    B.Internet
    C.network
    D.protocols

    答案:D
    解析:
    为成功地传输数据,发送设备和接收设备必须遵循一套信息交换的通信规则。这些规则称为协议。

  • 第4题:

    The ONS 15216 is a 32-channel system. The ONS 15216 OADMs are capable of adding and dropping one, two, or four channels. How are the OADMs provisioned to add and drop specific channels?()

    A. The ONS 15216 OADM can be provisioned to add/drop one, two, or four channels via Cisco Transport Manager (CTM).

    B. The ONS 15216 OADM consists only of a four-channel module, and the number of ports utilized determines whether it is a one, two, or four channel OADM.

    C. Three separate OADM modules are available for one, two, and four channels. The wavelengths to be dropped and added are programmable via Cisco Transport Manager (CTM).

    D. The ONS 15216 OADM consists only of a single-channel module. Two-channel and four-channel support is available by stacking the single-channel module.

    E. The ONS 15216 OADM is available in one, two, four channels. There are 32 single-channel OADM modules, 16 two-channel OADM modules, and 8 four-channel OADM modules.


    参考答案:E

  • 第5题:

    12. About_______ of the workers in the factory were born in the __________.

    A. two- thirds;1970

    B. two- thirds ; 1970s

    C. two-third ; 1970

    D. two-third ; 1970s


    正确答案:B
    12.B【解析】句意:工厂里大约2/3的工人出生在20世纪70年代。分数的表达为分子用基数词,分母用序数词,如果分子大于1,则分母要用复数,排除C、D,年代的表达要在年份后加s.故选B。

  • 第6题:

    For data transmission to be successful,sending and receiving devices must follow a set of communication rules for the exchange of information.These rules are known as______.

    A.E-mail
    B.Internet
    C.network
    D.protocols

    答案:D
    解析: