A user states that the wireless on the...

单项选择题A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）

A. If the wireless is enabled
B. If the laptop is connected to the correct gateway
C. If the SSID is enabled
D. If the DHCP address scheme is correct

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1.单项选择题Which of the following commands should Karen, a technician, use to examine and restoreprotected system files?（）

A.SFC
B.RECOVER
C.REPLACE
D.COPY

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2.单项选择题A color laser printer is producing pages where the ink smears when touched. Which of thefollowing components should be replaced?（）

A. Paper tray
B. Fuser
C. Toner
D. Drum

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3.单项选择题Core files required for user applications are stored in which of the following locations?（）

A. Program files
B. Temporary files
C. Windows
D. Documents and settings

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4.单项选择题A technician is preparing user education to raise awareness of malware. The technician’s goal is to increase user awareness and prevent the future spread of malware. All of the following are malware symptoms EXCEPT:（）

A. increased number of pop-ups.
B. decreased volume of spam.
C. decreased system performance.
D. home page hijacking.

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5.单项选择题A technician is preparing to update the BIOS on a laptop. Which of the following should thetechnician do to prevent problems during the update?（）

A. Remove all of the memory
B. Plug in the AC adapter
C. Remove the hard drive and optical drive
D. Clear the partitions on the hard drive

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6.单项选择题A user has reported that everyday at 12:00 p.m. their workstation becomes sluggish with Internet access and overall performance. Which of the following will MOST likely resolve this issue?（）

A. Reschedule the antivirus scan to run after close of business.
B. Add an additional NIC with a connection to the network.
C. Adjust program filters on the workstations firewall.
D. Replace the processor with a known good processor.

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7.单项选择题Which of the following is the BEST way for Karen, a technician, to mitigate phishing attempts?（）

A. Installing antivirus
B. Reconfiguring the firewall
C. Changing the permissions and passwords
D. Educating the end user

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8.单项选择题A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）

A. Turn the case upside down, shake gently and let the screw fall out.
B. Use a shop vacuum to retrieve the screw.
C. Use the hardware abstraction layer (HAL).
D. Use an extension magnet.

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9.单项选择题A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）

A.Backlight
B.Inverter
C.Loose cable
D.Lid switch

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10.单项选择题Which of the following commands would be used to verify the integrity of critical system files?（）

A.verify
B.nslookup
C.sfc
D.chkdsk

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