CompTIA 220-901 Online Practice Questions and Exam Preparation

CompTIA 220-901 Online Questions & Answers

• Question 391:

  The digitizer of a modern laptop computer is used to:

  A. encode analog audio into a digital format.
  B. enable hands-free control of common laptop functions.
  C. convert art created with an ink pen into a digital image.
  D. identify the screen location touched by a user.
  C. convert art created with an ink pen into a digital image.

• Question 392:

  Which of the following wireless connections requires pin-enabled pairing before it can be used?

  A. IR
  B. NFC
  C. RF
  D. Bluetooth
  D. Bluetooth

• Question 393:

  By default, which of the following ports is used for SMTP?

  A. 21
  B. 25
  C. 110
  D. 143
  B. 25

• Question 394:

  Which of the following features is an advantage of a switch over a hub?

  A. A switch routes packets instead of frames to different networks.
  B. A switch divides bandwidth among connected devices.
  C. A switch broadcasts the data frames to every connected device.
  D. A switch sends data frames to the correct connected device.
  D. A switch sends data frames to the correct connected device.

• Question 395:

  The contrast ratio for an LCD monitor is BEST defined as the ratio between:

  A. display resolution and brightness.
  B. power consumption and output intensity.
  C. power savings of a comparable CRT monitor and the LCD.
  D. the darkest and lightest displayed output.
  D. the darkest and lightest displayed output.

• Question 396:

  Which of the following ports must be open for an email client to receive email?

  A. 21
  B. 22
  C. 25
  D. 53
  E. 110
  E. 110

• Question 397:

  Users are reporting degraded performance when utilizing certain application hosted by virtual machines. While trying to identify the problem, a technician notices all of the degraded virtual machines run on the same server. Which of the following could be the cause of the performance issues?

  A. The host machine is using of all its available memory.
  B. CPUs allocated to each virtual machine need to be increased.
  C. Memory allocated to each virtual machine needs to be increased.
  D. The host machine is low on hard drive space.
  E. The virtual machines are low on hard drive space.
  F. The host machine needs another NIC.
  C. Memory allocated to each virtual machine needs to be increased.

• Question 398:

  A technician is installing new hard drives into a server and needs to set IDs to numbers ranging from 0-15. Which of the following types of drives is the technician installing?

  A. SATA
  B. SCSI
  C. USB
  D. EIDE
  B. SCSI

• Question 399:

  A customer wants to upgrade a computer with two additional hard drives, a more powerful GPU, a Blu-ray drive, and additional case fans to keep the system cool. Which of the following is MOST important to consider when adding these components to the system?

  A. The total number of pins on the 12V connector
  B. That the power supply has a single rail
  C. The total wattage capacity of the power supply
  D. That the power supply is compatible with microATX
  C. The total wattage capacity of the power supply

• Question 400:

  A user wants to buy a smartphone that will allow for shopping with contactless payments. Which of the following connection types should the smartphone have?

  A. NFC
  B. WiFi
  C. IR
  D. Bluetooth
  A. NFC