开机时出现以下提示PrimaryIDEChannelno80conductorcableinstall‖是什么意思（）

A. Ａ、系统不支持ＤＭＡ６６的功能

B. Ｂ、系统支持ＤＭＡ６６的功能，但并没有安装专用的数据线

C. Ｃ、数据电缆已经损坏

D. Ｄ、ＩＤＥ接口已经损坏

A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?（）

A. application

B. presentation

C. session

D. transport

E. internet

F. data link

根据以下资料，回答1~5题。The Bluetooth device, dubbed the "i-migo", installed in the cellphone can reduce the loss of its owner because it backs-up

听力原文： The state of Illinois plans to install solar energy systems in 2.5 million homes by 2020 to save electricity and reduce pollution from power plants and industrial facilities, Governor Andrew Marshall said on Friday. New legislation states that any homes builders make based on the energy plan will be required to offer solar panels as an option for new homes in Illinois from 2010. Home buyers will receive 40% panel installation rebates from the state government, and also upon request, prospective buyers will get an estimate of installation costs and possible energy savings which will be credited to the buyers' accounts. During peak periods, it is expected that every year up to one million watts of electricity will be saved and pollution will be reduced by 50 million tons of carbon dioxide-based pollutants.

When will buyers be informed about installing solar panels as an option from the builders?

A．In 2010.

B．In 2020.

C．In 2040.

D．In 2050.

A client purchased a new internal hard drive to act as a second drive on a legacy machine. When the client attempts to install the drive, the cable connector on the new drive is not compatible withthe available IDE cables. It is determined that the client has purchased a SATA hard drive.Which of the following would the technician recommend as the BEST solution to this situation?（）

A. Have the client purchase a SATA compatible system board.

B. Have the client purchase a SATA to IDE conversion kit.

C. Have the client return the drive and purchase an IDE compatible drive.

D. Have the client purchase a SCSI to SATA conversion kit.

An administrator needs to apply a Technology Level update. During the preview install, the output indicates that there is insufficientspace in the /usr filesystem. Review of the root volume group indicates there are no available physical partitions, but the /test jfs2 filesystem is only 8% used.What is the most efficient method to use the available space in the /test filesystem to apply theupdate?（）

A.Use chfs to reduce the /test filesystem

B.Use cplv to copy the /test filesystem to a smaller logical volume

C.Use migratepv l to move the /test filesystem to a different volume group

D.Backup the /test filesystem, remove it, and recreate it with a smaller size

Protective softwares are always efficient as long as you install them in your computer.()

A.InstallonlytwomodulesastheRAMhastobeinstalledinpairs

B.PurchaseoneadditionalRAMmoduletomakeiteven.Threemoduleswillfunctionastriplechannelandtheadditionalmodulewillbeforparity

C.Purchasedualchannelmemory.Thetriplechannelmemorymaybeincompatiblewiththeservermotherboard

D.InstalltheRAM.Twomoduleswillperformasdualchannelandoneassinglechannel

Which of the following is not a program the listeners will have to install?

A．An inventory tracking program.

B．A client managing program.

C．An interoffice communications program.

D．A sales aid program.