A Windows OS has failed to load after ...

单项选择题A Windows OS has failed to load after a successful power on self test. Which of the following steps will help troubleshoot the problem?（）

A. Change the time and date in the BIOS.
B. Replace the keyboard.
C. Check for media in the optical drive.
D. Add more RAM.

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1.多项选择题Which of these are symptoms of malware on a computer? （）(Select TWO).

A. Hard drive and network activity is higher when the computer is idle
B. CD-ROM ejects unexpectedly from the computer
C. Web browser accesses unexpected websites
D. Prints from the computer have random characters and symbols instead of text
E. The monitor has a permanent image burned into the display

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2.单项选择题Malware has been detected and removed on a customer computer several times in a short periodof time. Which of the following will BEST help prevent future occurrences?（）

A. Defragment the hard drive
B. Discuss safe web-browsing habits with the customer
C. Delete temporary files, cookies and browser history
D. Install anti-virus software which uses manual updates

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3.单项选择题Which of the following is the default location for the User profiles folder in Windows 7?（）

A. C:\Users
B. C:\Program Files (x86)
C. C:\Documents and Settings
D. C:\Windows\system32

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4.单项选择题Which of the following should the technician do FIRST when replacing a motherboard?（）

A. Use a benchmarking tool
B. Use anti-static wrist band
C. Remove the CPU
D. Remove the power supply

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5.单项选择题A technician is checking on a printer that is frequently jamming. The jams always consist ofmultiple papers becoming stuck. The paper in the printer was just reloaded this morning. Which of the following is the MOST likely reason for the jams?（）

A. The drum is old and needs to be replaced.
B. The fuser is not coming up to the proper temperature.
C. The paper tray rollers are too tight.
D. The paper is damp due to humidity.

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6.单项选择题A user requires more storage space on their computer. After a technician installs a second IDE drive in the computer, the system will not recognize that there are any hard drives installed. Which of the following is the MOST likely cause of the problem?（）

A. The second hard drive has not been formatted for NTFS.
B. The jumpers on both drives are set to the cable select position.
C. The jumper on the first drive is set to master and the second is set to slave.
D. The jumpers on both drives are set to the master position.

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7.单项选择题Which of the following wireless technologies is backward compatible to receive all bands ofwireless communications?（）

A.802.11a
B.802.11b
C.802.11g
D.802.11n

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8.单项选择题Which of the following is used by BitLocker to lock an encryption key and protect data?（）

A. ECP
B. IRQ
C. AGP
D. TPM

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9.单项选择题After installing a new video card, the computer loads Windows and continuously reboots. Which of the following would be the FIRST step that a technician should take?（）

A. Run CHKDSK
B. Boot to ERD
C. Run MSCONFIG
D. Go into Safe Mode

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10.单项选择题A user is browsing to a newly created internal site called www.comptia.org. After putting incredentials the page comes up blank. Which of the following is MOST likely the cause?（）

A. The user must add the new site to the local log file.
B. A proxy exception has not been configured.
C. SMTP has not been configured.
D. The loopback address has not been configured.

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