CompTIA FC0-U21 Online Practice Questions and Exam Preparation

CompTIA FC0-U21 Online Questions & Answers

• Question 191:

  Which of the following are types of LCD monitors?

  Each correct answer represents a complete solution. Choose two.

  A. Passive Matrix
  B. X-Matrix
  C. SVGA
  D. Active Matrix
  A. Passive Matrix
  D. Active Matrix

• Question 192:

  Which of the following is best suited for general cleaning of monitors?

  A. Windex
  B. A cotton cloth
  C. Ammonia-based cleaner
  D. Ethyl alcohol
  B. A cotton cloth

• Question 193:

  Which of the following interfaces provides the fastest data transfer rate for printing a document on a printer?

  A. IEEE 802.11a
  B. IEEE 802.11b
  C. FireWire 800
  D. USB 2.0
  C. FireWire 800

• Question 194:

  Which of the following peripheral devices is most subject to problems created by environmental dust?

  A. Printer
  B. Floppy disk
  C. Hard disk
  D. Keyboard
  D. Keyboard

• Question 195:

  Which of the following are serial interfaces?

  Each correct answer represents a complete solution. Choose all that apply.

  A. USB
  B. FireWire
  C. EPP
  D. IEEE 1284
  A. USB
  B. FireWire

• Question 196:

  You have a wireless printer that is connected to your Windows XP laptop via infrared, and it prints properly. However, when you relocate the wireless infrared printer, you find that your laptop is not able to send print jobs to the printer. What is the most likely cause of the issue?

  A. The printing option is disabled in the Control Panel on the laptop.
  B. The printer driver is uninstalled from the laptop.
  C. The printer driver is not updated on the laptop.
  D. Printer is located at the distance of more than three feet from the laptop.
  D. Printer is located at the distance of more than three feet from the laptop.

• Question 197:

  Which of the following statements about I/O address is true?

  A. An I/O address is a method of transferring information directly from a disk drive to a memory location.
  B. An I/O address is an event, which requires processor's attention.
  C. An I/O address is the display adapter address on the CPU.
  D. An I/O address is a communication port between a device and the CPU.
  D. An I/O address is a communication port between a device and the CPU.

• Question 198:

  Which of the following devices provides input by analyzing printed text, handwriting, or an object?

  A. Webcam
  B. Image scanner
  C. BD-ROM Drive
  D. Packet analyzer
  B. Image scanner

• Question 199:

  What amount of data can a sector hold?

  A. 1000 bytes
  B. 512 bytes
  C. 625 bytes
  D. 1024 bytes
  B. 512 bytes

• Question 200:

  Which of the following is not measured by the digital pocket multimeter?

  A. Cable continuity
  B. Bad sectors on hard disk
  C. Power connectors' voltage
  D. Power supply voltage
  B. Bad sectors on hard disk