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如何与机房配合检测用户cable modem的工作状态?
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更多 “如何与机房配合检测用户cable modem的工作状态?” 相关考题
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下列关于光纤同轴电缆混合网HFC的描述中,错误的是( )。A) HFC是一个双向传输系统B) Cable Modem利用频分多路复用方法将信道分为上行信道与下行信道C) Cable Modem传输方式分为对称式和非对称式两类D) HFC通过Cable Modem将光缆与同轴电缆连接起来
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关于下行传输速率由低到高排序,哪一个是正确的?A.普通Modem拨号=DDN〈 ISDNB.普通Modem拨号〈 DDN〈 Cable MODEMC.普通Modem拨号〈 ADSL 〈 ISDND.DDN 〈 Cable Modem〈 ADSL
考题
下列关于光纤同轴电缆混合网HFC的描述中,错误的是A.HFC是一个双向传输系统B.Cable Modem利用频分多路复用方法将信道分为上行信道与下行信道C.Cable Modem传输方式分为对称式和非对称式两类D.HFC通过Cable Modem将光缆与同轴电缆连接起来
考题
家庭计算机用户上网可使用的技术是① 电话线加上普通Modem ② 有线电视电缆加上Cable Modem③ 电话线加上ADSL Modem ④ 光纤到户(FTTH)A.①③ B.②③ C.②③④ D.①②③④
考题
Which of the following is the proper order for powering off and on network components?()
A. Computer cable modem routerB. Cable modem router computerC. Cable modem computer routerD. Router cable modem computer
考题
Which of the following WAN technologies uses a telephone cable?()
A.POTSB.FDDIC.SONETD.Cable modem
考题
(接上一题)用户端需要CABLE Modem,它提供的连接是 (52) 。A.无连接 B.虚拟 SXB
(接上一题)用户端需要CABLE Modem,它提供的连接是 (52) 。A.无连接B.虚拟C.临时D.永久
考题
通过HFC网络实现宽带接入,用户端需要的设备是( ),局端用于控制和管理用户的设备是( )。A.Cable Modem B.ADSL Modem C.OLT D.CMTS A.Cable Modem B.ADSL Modem C.OLT D.CMTS
考题
下列选项中,关于Cable Modem的类型叙述不正确的是( )。A.从传输方式分,Cable Modem可分为双向对称式传输和非对称式传输B.从同步方式分,Cable Modem可分为同步交换和异步交换C.从接入角度分,Cable Modem可分为单向和双向D.从接口角度分,Cable Modem可分为外置式、内置式和交互式机顶盒
考题
Which of the following is the proper order for powering off and on network components?()A、Computer cable modem routerB、Cable modem router computerC、Cable modem computer routerD、Router cable modem computer
考题
Which of the following WAN technologies uses a telephone cable?()A、POTSB、FDDIC、SONETD、Cable modem
考题
Which two statements are true about broadband cable (HFC) systems?()A、Cable modems only operate at Layer 1 of the OSI model.B、Cable modems operate at Layers 1 and 2 of the OSI model.C、Cable modems operate at Layers 1, 2, and 3 of the OSI model.D、A function of the cable modem termination system (CMTS) is to convert the modulated signal from the cable modem into a digital signal.E、A function of the cable modem termination system is to convert the digital data stream from the end user host into a modulated RF signal for transmission onto the cable system.
考题
单选题关于ADSL与Cable Modem的特性,下列叙述何者错误?()A
ADSL为非对称带宽传输,Cable Modem为对称带宽传输B
ADSL使用电话线,Cable Modem使用有线电视线C
ADSL的带宽为独享式,Cable Modem的带宽为共享式D
ADSL与Cable Modem都可做双向的传输
考题
单选题Which of the following is the proper order for powering off and on network components?()A
Computer cable modem routerB
Cable modem router computerC
Cable modem computer routerD
Router cable modem computer
考题
单选题Cable Modem的工作方式是()宽带。A
独占B
集中C
共享D
分散
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