Which of the following is used to serve as an emergency backup line to troubleshoot a broadbandconnection on many routers?（）A、DSLB、POTSC、VDSLD、Smart jack

题目

Which of the following is used to serve as an emergency backup line to troubleshoot a broadbandconnection on many routers?（）

  • A、DSL
  • B、POTS
  • C、VDSL
  • D、Smart jack
相似考题

1.Which of the following command line tools can be used to display the default gateway, IP address,and DNS servers currently being used by a host?()A.TRACERTB.IPCONFIG/ALLC.NSLOOKUPD.PING-T

2.Which of the following connector types is used with twisted pair cable?（）A、 T-ConnectorB、 BNCC、 RJ-45D、 LC

3.Which of the following utilities are used to choose which programs run at startup？ （）A、SFCB、SETDEBUGC、MSCONFIGD、REGEDIT

4.Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors？（）A、UTPB、T568A/BC、STPD、IEEE 802.5

参考答案和解析
正确答案:B
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