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220-701單項選擇題每日一練(2019.01.08)

單項選擇題
Which of the following would BEST provide cooling to a processor?（）
A. Case fan
B. Heatsink
C. Liquid cooling system
D. CPU fan
單項選擇題
Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）
A.Cellular
B.802.11a
C.802.11b
D.Satellite
單項選擇題
Which of the following laptop displays would provide the BEST viewing angle?（）
A. IPS LCD
B. TFT LCD
C. DLP
D. Plasma
單項選擇題
Which of the following is the subnet mask for a Class C IP address?（）
A.10.0.0.1
B.192.168.1.1
C.255.255.0.0
D.255.255.255.0
單項選擇題
Which of the following BEST describes the initial process of setting up a new operating system from a CD-ROM? （）
A. Format a partition, install device drivers, and install the operating system.
B. Create a partition, format the partition, and install the operating system.
C. Install the operating system, create a partition, and install device drivers.
D. Install the operating system, install device drivers, and create a partition.