单选题A technician just installed an antivirus suite on a workstation. It is kept up-to-date and has recently scanned the system. A day later the user reports slower response times than usual. Which of the following is the user MOST likely experiencing?（）A A

第1题：

An end user reports that their computer is not performing as fast as it used to and it shuts down unexpectedly. Which of the following is the MOST likely cause?（）

• A、Network data cables are damaged.
• B、Memory has become unseated.
• C、The user has defragmented the hard drive.
• D、Processor cooling fan is not functioning.

第2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3题：

第4题：

A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）

• A、The VLAN is misconfigured
• B、The user has an improperly configured NIC
• C、The DHCP server is down
• D、The DNS server is down

第5题：

A user, Jill, is reporting her mouse is moving when Jill is not moving it, and the computer is running slower than normal. Which of the following is the FIRST action that Karen, a technician, should take?（）

• A、Run chkdsk.
• B、Run an antivirus program.
• C、Replace the faulty mouse.
• D、Remove any recently added hardware.

第6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7题：

A user reports that their machine seems to be running slower than usual. The user states that the computer has become progressively worse as more applications are installed. Which of the following is the FIRST step the technician should take?（）

• A、Run the CHKDSK utility
• B、Run the disk defragmenter utility
• C、Increase the capacity on the system volume
• D、Convert to a dynamic drive on the system

第8题：

A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）

• A、The contrast setting needs to be raised from the default.
• B、The monitor firmware was not updated.
• C、The new monitor has a different native resolution.
• D、The monitor needs to be degaussed to clarify the picture.

第9题：

A user reports that a printer has started producing a repetitive image defect on all printouts. Which of the following are the MOST likely causes of the problem?（） (Select TWO).

• A、Toner cartridge
• B、Laser scanner
• C、Formatter PCB
• D、Pickup rollers
• E、Fuser

第10题：

A technician just installed an antivirus suite on a workstation. It is kept up-to-date and has recently scanned the system. A day later the user reports slower response times than usual. Which of the following is the user MOST likely experiencing?（）

• A、Advertisements
• B、Resource consumption
• C、A trojan infection
• D、Unremoved viruses