CompTIA 220-801 Online Practice Questions and Exam Preparation

CompTIA 220-801 Online Questions & Answers

• Question 811:

  In which of the following situations is it appropriate for an IT service provider to make copies of a customer's confidential data?

  A. If the technician determines it necessary, for backup purposes
  B. It is never appropriate to copy a customer's data
  C. If the content is public knowledge
  D. With the customer's permission, for backup purposes
  D. With the customer's permission, for backup purposes

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  Get customer's permission to access the confidential data for backup purposes only. You are not allowed to access any confidential data whatsoever without customer's permission.

• Question 812:

  In older laptop screens, the backlight is powered by which of the following?

  A. A CCFL lamp
  B. A gas
  C. LEDs
  D. OLED
  A. A CCFL lamp

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  Reference. http://en.wikipedia.org/wiki/Cold_cathode

• Question 813:

  A new firewall has recently been installed and several users are now unable to access the Internet. Which of the following ports is MOST likely being blocked?

  A. 23
  B. 25
  C. 80
  D. 110
  C. 80

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  Reference. http://en.wikipedia.org/wiki/Port_80

• Question 814:

  Which of the following IP addresses can be pinged from the Internet?

  A. 10.0.0.1
  B. 68.14.24.3
  C. 172.16.2.1
  D. 192.168.1.1
  B. 68.14.24.3

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  Any IP address that doesn't start with 192.168 and 10.0.0 can be pinged from internet. These IP addresses are reserved for private network. 172.16.2.1 is not a valid IP address at all because it mixed class C and Class A addresses.

  68.14.24.3 is a valid Class A IP address.

• Question 815:

  Which of the following communication standards requires line-of-site with no obstacles in order to operate properly?

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

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  Reference. http://www.di.unisa.it/~vitsca/RC-0910I/ch04.pdf (page 25)

• Question 816:

  Which of the following characteristics BEST differentiates a Home Theatre PC from a CAD PC?

  A. Ability to play optical media
  B. Gigabit network connection
  C. Small form factor
  D. Ability to edit large files
  C. Small form factor

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  Home theater PC has a small form factor normally essentially a bookcase in a shelf styled computer that player audio and video. CAD PC needs a lot of muscle like vast amount of memory, video cards, and essentially other high performance parts. Therefore, the main difference between home theater PC and a CAD PC is the form factor which houses essential components.

• Question 817:

  A technician replaces a computer's NIC with a wireless card. The user wants to save the NIC. Which of the following should the technician use to preserve the NIC?

  A. ESD mat
  B. ESD wrist strap
  C. Sealable plastic bag
  D. Anti-static bag
  D. Anti-static bag

• Question 818:

  Which of the following memory types comes in the SIMM variety?

  A. SDRAM
  B. DDR3
  C. DDR2
  D. RDRAM
  A. SDRAM

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  Reference.

  http://www.proprofs.com/mwiki/index.php/Understanding_RAM_Types:_DRAM_S DRAM_DIMM_SIMM_And_More

• Question 819:

  Joe, a client, wants to purchase a new hard drive to replace the boot drive in his workstation. Joe wants the fastest performance for the new boot drive. Which of the following drive types should be selected?

  A. SCSI Drive
  B. 7200 RPM SATA
  C. 10K RPM SATA
  D. Solid State Drive
  D. Solid State Drive

• Question 820:

  Which of the following cable types is rated to transmit a MAXIMUM of 10 Mbps?

  A. CAT3
  B. CAT5
  C. CAT5e
  D. CAT6
  A. CAT3