单选题A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）A The module is installed backwards.B A USB device is using some memory.C An onboard video card is using some memory.D The CPU is using some memory.

第1题：

What are some of the advantages of using a cassette recorder?
Some of the advantages of using a cassette recorder are:
First, it gives the students the chance to listen to a variety of voices apart from the teacher’s, and it brings native speakers’ voices into the classroom.
Second, recorded material is useful for listening to dialogues, interviews, discussions, etc. where there is more than one person speaking at the same time. Otherwise the teacher has to act the part of more than one person.
Third, it is very useful for intensive listening, because the cassette can be stopped and a phrase played over and over again. This kind of listening is called intensive listening.
略

第2题：

A technician installs a new video card in a desktop with onboard video. The technician boots the unit but sees no display. The monitor power light is on and the OS seems to be loading. Which ofthe following is the MOST likely cause?（）

• A、The display is defective.
• B、The video card needs to be flashed.
• C、The internal adapter has not been disabled.
• D、The new video card is defective.

第3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4题：

The administrator has just installed a new memory module into the server. Now， the server is not showing the new memory. Which of the following should the administrator perform FIRST？（）

• A、System reboot
• B、Reseat the memory
• C、Install the latest firmware
• D、Install the latest driver

第5题：

While configuring a new adapter using cfgmgr, an administrator receives a warning message indicating that some device packages are not installed. Additionally, the adapter displays in the Defined state. Which command will resolve the issue and make the adapter available?（）

• A、shutdown -Fr
• B、cfgmgr -i <lpp_source>
• C、mkdev -l <device_name>
• D、mknode /dev/<device_name>

第6题：

You are using Recovery Manager (RMAN) to perform backups. In which three situations would you perform a compressed backup?（）

• A、You are backing up to tape and your tape device performs its own compression.
• B、You are making image copies, and you have not enabled tablespace compression.
• C、You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited.
• D、You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage.
• E、You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves  media costs and archival storage.

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第13题：

A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）

• A、The module is installed backwards.
• B、A USB device is using some memory.
• C、An onboard video card is using some memory.
• D、The CPU is using some memory.

第14题：

A customer reports to Karen, a technician, that he is experiencing problems with the display after his computer is fully booted but reports seeing the BIOS splash screen during boot. Which of the following would MOST likely be the cause?（）

• A、The video cable is incorrectly attached.
• B、A corrupted or incorrect video driver is installed.
• C、An incorrect video card is installed in the computer.
• D、The video card is defective and needs to be replaced.

第15题：

A customer has installed a new computer on their network. They can print to the printer but the option for duplex printing is not available. All other computers have the option. Which of the following is the cause of the problem？（）

• A、The new computer is printing to the wrong IP address.
• B、The new computer is using the wrong protocol.
• C、The driver port is not setup correctly.
• D、The option has not been selected on the driver.

第16题：

A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monitor. Which of the following is MOST likely the issue?（）

• A、In the BIOS, the onboard video adapter must be disabled.
• B、The video resolution is set too high.
• C、The LCD panel is defective.
• D、The drivers for the new video card must be installed before installing the card.

第17题：

While configuring a new adapter using cfgmgr， an administrator receives a warning message indicating that some device packages are not installed.  Additionally， the adapter displays in the Defined state.  Which command will resolve the issue and make the adapter available？（）  

• A、shutdown -Fr
• B、cfgmgr -i 
• C、mkdev -l 
• D、mknode /dev/

第18题：

You have a 10Mbps network card in your computer. You install a 100Mbps network card on your computer and restart the computer. The 100Mbps card in not working due to a conflict with the10Mbps card. You want only the 100Mbps card to be active. What should you do to  disable the10 Mbps network adapter？（）

• A、Remove the 100MB Ethernet adapter driver by using device manager.
• B、Remove the drivers for both Ethernet adapters cards by using device manager. 
• C、Install the 100MB Ethernet adapter in different PC card slots.
• D、Disable the device drivers for the 10Mb card using by using Device Manager.

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