CompTIA FC0-U21 Online Practice Questions and Exam Preparation

CompTIA FC0-U21 Online Questions & Answers

• Question 151:

  Which of the following statements are true about a surge suppressor? Each correct answer represents a complete solution. Choose all that apply.

  A. It is an electrical apparatus that provides emergency power to a load when the input power source, typically the utility mains, fails.
  B. It protects systems from lightning, the most familiar source of power surges.
  C. It is an appliance designed to protect electrical devices from voltage spikes.
  D. It attempts to regulate the voltage supplied to an electric device by either blocking or by shorting to ground voltages above a safe threshold.
  C. It is an appliance designed to protect electrical devices from voltage spikes.
  D. It attempts to regulate the voltage supplied to an electric device by either blocking or by shorting to ground voltages above a safe threshold.

• Question 152:

  Which of the following devices is used for accessing the data on Secure Digital (SD) card, MMC card, and Compact Flash (CF)?

  A. E-book reader
  B. Barcode reader
  C. Memory card reader
  D. Smart card reader
  C. Memory card reader

• Question 153:

  Which of the following storage device uses SRAM or DRAM?

  A. Blu-ray Disc
  B. USB flash drive
  C. Solid-state drive (SSD)
  D. CD drive
  C. Solid-state drive (SSD)

• Question 154:

  Which of the following PC components has an air filter?

  A. RAM
  B. HDD
  C. CD-ROM
  D. CPU
  B. HDD

• Question 155:

  Which of the following expansion buses is used in Laptops?

  A. PCI
  B. PCMCIA
  C. MCA
  D. ISA
  B. PCMCIA

• Question 156:

  What will you do with a used AA Alkaline batteries?

  A. Throw the in the trash bin.
  B. Flush them in a sever.
  C. Take them to a recycling center.
  D. Throw them in fire.
  C. Take them to a recycling center.

• Question 157:

  You are installing two hard disk drives on a computer. Which of the following are the possible combinations that can be used? Each correct answer represents a complete solution. Choose all that apply.

  A. Install both drives on the primary IDE controller and designate one as Master and the other as Slave.
  B. Install the drives, one each on the primary and secondary IDE controllers and designate both as Master.
  C. Install both hard disks on the secondary IDE controller and designate both hard disks as Slave.
  D. Install both hard disk drives on the primary IDE controller and designate both drives as Secondary.
  A. Install both drives on the primary IDE controller and designate one as Master and the other as Slave.
  B. Install the drives, one each on the primary and secondary IDE controllers and designate both as Master.

• Question 158:

  Which of the following are removable storage devices? Each correct answer represents a complete solution. Choose all that apply.

  A. Floppy disk
  B. USB flash drive
  C. Zip disk
  D. Hard disk
  A. Floppy disk
  B. USB flash drive
  C. Zip disk

• Question 159:

  Which of the following parts of the computer is NOT checked in Power On Self Test (POST)?

  A. Display card
  B. Memory
  C. Keyboard
  D. Modem
  E. The System timer
  D. Modem

• Question 160:

  Which of the following parts of a computer is NOT checked during Power On Self Test (POST)?

  A. RAM
  B. Keyboard
  C. Modem
  D. Hard disk
  C. Modem