单项选择题
A technician installs a new sound card but no sound can be heard. Which of the following utilities can be used to see an error?（）
A. MSCONFIG
B. Device Manager
C. DXDIAG
D. REGEDIT
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相关考题
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单项选择题
Which of the following 802.11 standards can operate at both 2.4 GHz and 5.0 GHz?（）
A.A
B.B
C.G
D.N -
单项选择题
Which of the following is the correct pin out for T568B?（）
A. Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
B. Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green
C. Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
D. Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white -
单项选择题
Which of the following is a multimedia device?（）
A. Biometric device
B. Mouse
C. Camcorder
D. Infrared scanner
