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220-701單項選擇題每日一練(2019.01.22)

單項選擇題
An optical disc with a 4.7GB MAXIMUM storage capacity is likely which of the followingtechnologies?（）
A. DVD-RW
B. CD-RW
C. BD-ROM
D. BD-RW
單項選擇題
Which of the following devices would allow a technician to utilize a single mouse, keyboard, and display to control numerous desktop PCs?（）
A. Port replicator
B. Docking station
C. USB hub
D. KVM switch
單項選擇題
Which of the following RAID types is known as only mirroring?（）
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
單項選擇題
A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）
A.Transfer roller
B.Paper type
C.Print head
D.Fuser
單項選擇題
Which of the following attributes is set when a file is ready to be backed up?（）
A.a
B.h
C.r
D.s

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