单项选择题Which of the following is BEST for providing network security?()

A.Firewall
B.DMZ
C.Switch
D.IDS


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5.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

6.单项选择题Which of the following is a multimedia device?()

A. Biometric device
B. Mouse
C. Camcorder
D. Infrared scanner

7.单项选择题Which of the following cable types is 68-pin?()

A.Floppy
B.SCSI
C.IEE1394
D.IDE

8.单项选择题When upgrading BIOS firmware, which of the following limits are MOST commonly increased? ()

A. CPU
B. USB capacity
C. Optical drive
D. RAM

10.多项选择题Which of the following is included in the typical laser printer maintenance kit?()

A. Print head
B. Toner
C. Fuser
D. Main drive assembly
E. Pickup rollers

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