CompTia A+ (Desktop) MCQ Quiz and Online Test

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#1. Jason put in a recommendation that the company upgrade the SD cards used in the company smartphones from 32 GB SDHC A1 to 128 GB SDXC A2. What does A2 signify?

A2 cards offer much greater capacity than A1 cards.

A2 cards offer much faster sustained write speeds than A1 cards.

A2 cards cost a lot less than A1 cards and offer similar performance.

A2 cards sustain faster IOPS than A1 cards.

#2. What happens to bus speed and power usage when you plug multiple devices into a USB hub?

The bus speed stays constant, but power usage increases.

The bus speed increases because each device brings a little burst; power usage increases.

The bus speed decreases because all devices share the same total bandwidth; power usage increases.

The bus speed decreases because all devices share the same total bandwidth; power usage decreases.

#3. Which port type offers the fastest transfer speed?

IEEE 1394a

SuperSpeed USB

Full-Speed USB

Hi-Speed USB

#4. You take a tech call from a user who complains that she gets an error message, “Hub power exceeded,” when she plugs her new thumb drive into her USB keyboard’s external USB port. Worse, the device won’t work. What’s most likely the problem?

Her USB port is defective.

She has a defective thumb drive.

She plugged a Hi-Speed device into a Full-Speed port.

She plugged one too many devices into the USB hub.

#5. What is the fastest speed that Hi-Speed USB 2.0 can go?

12 Mbps

120 Mbps

400 Mbps

480 Mbps

#6. What is the maximum cable length for USB 2.0?

1.2 meters

1.2 yards

5 meters

5 feet

#7. How many speakers are in a 5.1 setup?

Five speakers plus a subwoofer

Six speakers plus a subwoofer

Seven speakers plus a subwoofer

Eight speakers plus a subwoofer

#8. What type of file is a MIDI file?

Audio

Binary

MP3

Text

#9. Which optical disc type offers the most capacity writing and rewriting data files?

DVD-R

DVD+RW DL

BD-RE

BD-RW

#10. Jack downloaded a video shared by a friend, ourfamilyholiday.avi. When he opens it in his media player software, he hears sound but gets no picture. What’s the most likely problem and solution?

His media player software doesn’t support AVI files. He needs to install a new media player.

His computer is a Mac; he needs to play the file on a Windows system.

His computer lacks the proper video codec. He needs to update the codecs installed on his computer.

The video is corrupt. His friend needs to share it with him again.

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