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单选题Which of the following WAN technologies uses a telephone cable?（）A POTSB FDDIC SONETD Cable modem

题目
单选题
Which of the following WAN technologies uses a telephone cable?（）
A

POTS

B

FDDI

C

SONET

D

Cable modem

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?()

A. ISDN

B. DSL

C. Satellite

D. Cable


参考答案：C

第2题：

Which of the following WAN technologies uses a telephone cable?()

A.POTS

B.FDDI

C.SONET

D.Cable modem


参考答案：A

第3题：

Which of the following is the proper order for powering off and on network components?()

A. Computer> cable modem > router

B. Cable modem> router> computer

C. Cable modem> computer> router

D. Router> cable modem> computer


参考答案：B

第4题：

Which of the following technologies has the HIGHEST potential throughput?（）

  • A、DSL
  • B、Fiber
  • C、Satellite
  • D、Cable

正确答案:B

第5题：

Which of the following WAN technologies uses a telephone cable?（）

  • A、POTS
  • B、FDDI
  • C、SONET
  • D、Cable modem

正确答案:A

第6题：

Which of the following technologies was created to reduce cost, increase cable length, and uses 3.3v across the line?()

A. Wide-Ultra2 SCSI-3

B. High-Voltage Differential

C. Low-Voltage Differential

D. Fibre Channel


参考答案：C

第7题：

Which of the following is the proper order for powering off and on network components?（）

  • A、Computer> cable modem > router
  • B、Cable modem> router> computer
  • C、Cable modem> computer> router
  • D、Router> cable modem> computer

正确答案:B

第8题：

Which of the following cable types is used to transmit data from a satellite dish to the satellite modem?()

A.CAT5e

B.CAT3

C.Fiber

D.RG-6


参考答案：D

第9题：

Which of the following cable types is used to transmit data from a satellite dish to the satellite modem?（）

  • A、CAT5e
  • B、CAT3
  • C、Fiber
  • D、RG-6

正确答案:D

第10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.

正确答案:B,D

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