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During the modem boot process，how does the modem acquire the

题目
单选题
During the modem boot process，how does the modem acquire the downstream channel？（）
A

The modem is commanded by the CMTS to set to the specific channel

B

The modem uses the default value in the broadcom chipset

C

The modem tuner sets a level as defined by the DOCSIS specification

D

The modem tuner scans the downstream spectrum until digital QAM modulated signal is encountered

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相似问题和答案

第1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2题：

Which reference code is displayed during the boot process that signals that an administrator may interrupt the boot process to enter the SMS Menu?()

A.517

B.B0G1

C.E1F1

D.00A8


参考答案：C

第3题：

What does the pa mge mainly diseuss?

A.The present and pad times

B.Machin and human beings

C.Imaginations and inventions

D.Modem teehnology and its influenec


正确答案：D

第4题：

During the modem boot process，how does the modem acquire the downstream channel？（）

  • A、The modem is commanded by the CMTS to set to the specific channel
  • B、The modem uses the default value in the broadcom chipset
  • C、The modem tuner sets a level as defined by the DOCSIS specification
  • D、The modem tuner scans the downstream spectrum until digital QAM modulated signal is encountered

正确答案:D

第5题：

When a computer does not recognize an internal modem， a technician should determine whether：（）

  • A、the modem is seated properly.
  • B、the number being dialed is valid.
  • C、there are resource conflicts.
  • D、there is power to the modem.
  • E、the modem speaker is enabled.

正确答案:A,C

第6题：

What does AMR stand for?()

A. Audio Modem Riser

B. Audio Modem Rectifier

C. Audio Multiplication Rectifier

D. Audio Modern Riser


参考答案：A

第7题：

下列关于软Modem的描述中，正确的是( )。

A．软Modem就是软件模拟Modem，无需额外的硬件设备就能联网的Modem

B．大多数的外置Modem和USB接口的Modem都是Modem

C．软Modem将大部分任务交由CPU来完成，会占去一部分系统资源

D．软Modem价格比硬Modem稍贵


正确答案：C
解析：根据Modem工作原理，可将其分为软Modem和硬Modem。多数的外置Modem都是硬Modem，大多数内置Modem和USB接口的Modem都是软Modem。软Modem的大部分任务都是有CPU来完成，会占用一部分系统资源。软Modem价格比硬Modem低。

第8题：

How does a process description function?

A. It describes what an object is like.

B. It explains how something works.

C. It explains how to perform. a process.


参考答案：B

第9题：

Exhibit: The following are true with one of the TestKing routers: 1) The IOS image in flash is missing 2) No Network connectivity is available. 3) The router fallback IOS image is corrupt. How will this Cisco 2600 series router respond if the conditions listed in the exhibit exist during the boot process?（）

  • A、The router will enter setup mode.
  • B、The router will enter ROM monitor mode.
  • C、The router will enter global configuration mode.
  • D、The boot will hang until an IOS is available.

正确答案:B

第10题：

During an HACMP installation， it is discovered that the customer is using the 802.3 frame type on  The Ethernet adapters. How will this affect HACMP？（）  

  • A、 HACMP will support all Ethernet frame types except EtherChannel.
  • B、 HACMP will not complete autodiscovery if an adapter of type of 802.3 is discovered.
  • C、 HACMP does not support 802.3 frame types and will ignore any adapters that are that type.
  • D、 HACMP does not support 802.3 frame type but will attempt to add them to HACMP networks during the discovery process.

正确答案:D

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