单选题A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）A FORMATB SF

第1题：

Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）

• A、After an unsuccessful reboot
• B、If a user’s IP address has been spoofed
• C、After using IPCONFIG /RELEASE
• D、If the computer has an ARP address conflict

第2题：

A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）

• A、FORMAT
• B、SFC
• C、HyperTerminal
• D、DEFRAG

第3题：

A user reports that the Windows update function will not run on the computer but the Internet can be accessed. The user is running an original version of Windows XP Professional. Which of the following is MOST likely the cause？（）

• A、The user has not registered the copy of Windows.
• B、The user has not applied at least Service Pack 1 to their system.
• C、The user does not know what site to access for the updates.
• D、The user needs to flush the DNS cache.

第4题：

A user reports that the computer’s hard drive is constantly running and the hard drive light is constantly flashing. Which of the following tools would be used to resolve this issue without losing data?（）

• A、chkdsk
• B、fdisk
• C、defrag
• D、format

第5题：

Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）

• A、Virus
• B、Worm
• C、Network bandwidth
• D、Malware

第6题：

A user reports that they are unable to open any audio files. Yesterday, the user uninstalled third party music software. Which of the following is the MOST likely cause of the user’s error?（）

• A、The file associations were not returned after the software was uninstalled.
• B、The user is not opening the files correctly.
• C、The uninstalled software has corrupted all the audio files on the computer.
• D、The sound card is not properly configured.

第7题：

A user who is running Windows XP Professional reports that the computer monitor stopped functioning following an installation of an updated driver for the video card and that attempts to delete and re-install the original driver have not corrected the situation. Which of the following actions would be BEST to correct this situation？（）

• A、Reset the system BIOS.
• B、Use System Restore.
• C、Change the color profile.
• D、Replace the video card.

第8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9题：

A customer reports to Karen, a technician, that a PC’s video card has recently been upgraded and the computer reboots randomly. The last few restarts have happened during movie playback, playing a video game, and video editing. Which of the following is the MOST likely source of this issue?（）

• A、The card is not compatible with the hardware of the machine.
• B、The graphic driver for the card is corrupt.
• C、The video card requires additional power.
• D、The software the user is running is incompatible for the video card.

第10题：

A user named Tom reports that applications on his Windows 2000 Professional computer are running slowly. You notice that Tom’s computer has 64 MB of RAM and 100 MB free disk space. Which method can you use to improve performance？（）

• A、Add Tom to the Power Users group.
• B、Set the total paging file to 75 percent of physical memory.
• C、Perform a disk analysis， and use the disk defragmenter， if recommended.
• D、Use disk cleanup to delete temporary files and unnecessary program files.
• E、Ensure that the performance options setting is optimized for background services.