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220-701單項選擇題每日一練(2019.01.18)

單項選擇題
Which of the following is the form factor of a standard VGA connector?（）
A.DB-15
B.DB-9
C.DIN-6
D.DB-25
單項選擇題
A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is the MOST likely cause?（）
A. Frayed or broken cables
B. UPS is unplugged
C. NIC and sound card are disabled in Device Manager
D. Speakers are muted
單項選擇題
A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）
A.SATA
B.FDD
C.IDE
D.ATX
單項選擇題
A technician installs a new video card in a desktop with onboard video. The technician boots the unit but sees no display. The monitor power light is on and the OS seems to be loading. Which ofthe following is the MOST likely cause?（）
A. The display is defective.
B. The video card needs to be flashed.
C. The internal adapter has not been disabled.
D. The new video card is defective.
單項選擇題
Which of the following network types is being described when computers are connected so thatdata flows from one computer to the other by traveling through each computer in the network?（）
A. Star
B. Hybrid
C. Mesh
D. Ring