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2018 Aug CompTIA Official New Released FC0-U21
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CompTIA Strata IT Fundamentals
Question No: 81 – (Topic 2)
Which of the following energy saving standards is used to control only monitors and video cards?
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ACPI
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ASPI
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APM
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DPMS
Answer: D
Question No: 82 – (Topic 2)
At what voltage does a USB host supply power to the USB bus?
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15 volts
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3 volts
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5 volts
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50 volts
Answer: C
Question No: 83 – (Topic 2)
Which of the following devices will you use to connect a computer to the network?
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Hard disk
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Modem
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Network adapter
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CPU fan
Answer: C
Question No: 84 – (Topic 2)
Which of the following is likely to cause an Add-on card failure?
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Incorrect device driver
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Power surge
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Uninstalling and then re-installing the device
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Local security policy applied on computer
Answer: B
Question No: 85 – (Topic 2)
Which of the following switches is used with the XCOPY command to copy directories and subdirectories, including empty directories?
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/o
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/e
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/q
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/s
Answer: B
Question No: 86 – (Topic 2)
Which of the following technologies provides the advantage of cost saving on hardware?
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Virtualization
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RAID
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Clustering
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Web Farm
Answer: A
Question No: 87 – (Topic 2)
Which of the following defines power management for various types of computers and peripherals?
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PCI
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HDMI
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ACPI
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PCIe
Answer: C
Question No: 88 – (Topic 2)
Which of the following parts of the computer is NOT checked in Power On Self Test (POST)?
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Display card
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Memory
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Keyboard
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Modem
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The System timer
Answer: D
Question No: 89 – (Topic 2)
Which of the following types of batteries are considered as environmental hazards? Each correct answer represents a complete solution. Choose three.
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Lead-acid
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NiCd
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Button cell
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NiMH
Answer: A,B,C
Question No: 90 – (Topic 2)
Which of the following actions will you not take while applying network protection?
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Install intrusion detection software.
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Use secure electronic transaction protocols.
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Establish a firewall.
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Use simple password for a local computer.
Answer: D
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