单项选择题

Which of the following would be an example of a biometric device？（）

A.USB security key
B.smart card reader
C.thumb print reader
D.encryption password

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单项选择题

To force a user to use Ctrl-Alt-Delete to log into the computer， a technician can go to Control Panel then：（）

A.Accessibility options.
B.Security Center.
C.User accounts and the Advanced tab.
D.Windows Firewall.

单项选择题

A technician is locked out of a desktops BIOS because of a forgotten password. Which of the following is a method of removing the password？（）

A.Replace the power supply unit.
B.Reseat the systems memory.
C.Reset the proper jumper.
D.Re-install the operating system.

单项选择题

Which of the following is the recommended maintenance for a laser printer？（）

A.Clean all fan filters； wipe down the paper path and re-adjust the corona wire.
B.Clean all pickup rollers； re-adjust the corona wire and replace the fuser assembly.
C.Clean all pickup rollers； replace the fuser assembly and clean all fan filters.
D.Clean all pickup rollers； wipe down the paper path and clean all fan filters.