多选题When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?（）AOptical mouseBHandheld digitizerCBarcode readerDTouchscreenEDocument scannerFKeyboardGExternal USB drive

第1题：

第2题：

A new floppy drive was just installed into a PC. The drive powers on at system boot but the status LED does not turn off during operation. Which of the following is MOST likely the issue?（）

• A、The power cable was installed incorrectly and needs to be flipped.
• B、The floppy drive was not enabled within the motherboard’s BIOS.
• C、The FDD cable was installed incorrectly and needs to be flipped.
• D、A Molex power cable was used instead of a Berg cable.

第3题：

After installing the Windows operating system, Device Manager shows a number of devices with a yellow question mark next to them. Which of the following is the MOST likely reason?（）

• A、The latest service pack needs to be installed.
• B、The created hard drive partition is not large enough.
• C、The motherboard chipset driver needs to be installed.
• D、The processor does not support the Windows OS.

第4题：

A user reports that after configuring the BIOS to boot to the hard drive first, the system still tries to boot from the optical drive. Which of the following is the MOST likely cause?（）

• A、Optical drive
• B、Power supply
• C、CMOS battery
• D、CD-ROM disk

第5题：

Which of the following network devices would MOST likely be installed on a network to helpreduce broadcast traffic and to allow individual virtual networks?（）

• A、Switch
• B、Repeater
• C、Hub
• D、WAP

第6题：

Which of the following devices would MOST likely require a serial adapter to be installed on amodern PC?（）

• A、External modem
• B、TV tuner
• C、Mouse
• D、Keyboard

第7题：

A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?（）

• A、The device needs a firmware update
• B、The device needs an updated driver installed
• C、The plugged in device is too slow for the USB port speed
• D、The device is incompatible with the installed version of Windows

第8题：

A user reports that a newly installed external CD-RW is not working. Jill, a technician, is called and notes the user has the CD-RW drive, a flash disk, a rarely used external hard drive and a wireless network adapter plugged into an external USB hub. Which of the following is the MOST likely reason for the problem?（）

• A、The USB hub needs more USB ports.
• B、The USB hub is a version 1.1.
• C、The USB hub was not externally powered.
• D、The USB hub is a version 2.0.

第9题：

Which of the following has to be installed on a laptop in order to use a compact flash storage device？（）

• A、a multi-media card reader
• B、USB 2.0 drivers
• C、USB 1.1 drivers
• D、an enhanced 1.44 floppy drive

第10题：

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第13题：

An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?（）

• A、Multilayer switch
• B、CSU
• C、Proxy server
• D、IDS

第14题：

When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）

• A、The memory is failing.
• B、The CPU is overheating.
• C、The hard drive is not attached properly.
• D、The operating system is not installed.

第15题：

When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?（）

• A、Optical mouse
• B、Handheld digitizer
• C、Barcode reader
• D、Touchscreen
• E、Document scanner
• F、Keyboard
• G、External USB drive

第16题：

Which of the following MOST likely causes problems with SCSI communication?（）

• A、Low communication latency
• B、Maximum drive capacity is exceeded
• C、Improper termination
• D、Too many SCSI devices on one system

第17题：

A user is unable to view any DVDs on their laptop which has a DVD-ROM drive installed. After further investigation, the technician realizes that there is not any DVD-ROM or CD-ROM available under the My Computer utility. Which of the following system utilities would MOST likely be used to identify and resolve this issue?（）

• A、Task Manager
• B、Device Manager
• C、DEFRAG
• D、Event Viewer

第18题：

When adding a FireWire adapter to a laptop, which of the following ports would MOST likely beused? （）

• A、MMC port
• B、SODIMM slot
• C、Express card 34
• D、USB 1.1 port

第19题：

Which of the following is MOST critical when installing a new processor in an existing system?（）

• A、Thermal paste
• B、Fans
• C、Drive speeds
• D、Cable management

第20题：

When attempting to boot a PC, the POST process completes without error. The PC then displays,‘non system disk or disk error’. Which of the following would MOST likely cause the issue?（）

• A、Out-of-date BIOS
• B、Invalid motherboard jumper settings
• C、Failing power supply
• D、Floppy disk in the drive

第21题：

Which of the following devices would MOST likely integrate a DHCP server?（）

• A、Router
• B、Hub
• C、Switch
• D、Bridge

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