Test Yourself on CompTIA’s A+ Exams

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Editor’s Note: This post is outdated. For an updated guide see Jed Reisner’s A+ 220-801 and 220-802 guide.

1. Which serial interface supports up to 127 devices at speeds of up to 480Mbps?



  1. USB 1.1
  2. USB 2.0
  3. IEEE 1394 (FireWire)
  4. IEEE 1284


2. What are the benefits of SATA over traditional EIDE? Choose as many as apply.



  1. Data transfer rates of up to 150MBps.
  2. Can be connected/disconnected without powering down the PC.
  3. Uses thinner serial cables rather than traditional parallel ribbon cables.
  4. Jumperless Plug and Play connectivity.
  5. Writes data optically rather than magnetically for greater accuracy.


3. A flash RAM card such as SmartMedia or Compact Flash is an example of:



  1. DRAM
  2. ROM
  3. SDRAM
  4. SRAM


4. If a system has an L3 cache, where is it located?



  1. In the CPU.
  2. In the CPU package, but not in the same die.
  3. On the motherboard between the CPU and the RAM.
  4. On a PCI expansion board.


5. What is the purpose of an AMR slot on a motherboard?



  1. Integrated modem and sound
  2. Integrated networking/communication
  3. High-speed AGP video card
  4. EIDE riser card


6. A modem that conforms to the V.92 standard supports which features that a V.90 modem does not? Choose as many as apply.



  1. PCM Upstream
  2. Quick Connect
  3. Up to 56Kbps
  4. X2 compatibility
  5. Modem-on-Hold
  6. Ability to use an ISDN line transfer rate


7. Which file systems is Windows XP able to read and write? Choose as many as apply.



  1. FAT16
  2. FAT32
  3. NTFS4
  4. NTFS5
  5. HPFS


8. Which of these file types would not typically be able to carry and spread a virus? Choose as many as apply.



  1. BMP
  2. TIF
  3. AVI
  4. EXE
  5. COM
  6. BAT
  7. VBS
  8. TXT
  9. DOC


9. In addition to managing power-saving settings on modern PCs, ___________ also manages most of the resource assignments such as IRQ, I/O addresses and DMA channels, provided the BIOS is compliant.



  1. APM
  2. ACPI
  3. DNS
  4. DMA


10. Which of these features are available in the Professional version of Windows XP but not the Home Edition?



  1. Preemptive multitasking
  2. File encryption (EFS)
  3. Support for a personal Web server through IIS
  4. NTFS5
  5. Remote desktop connection
  6. Ability to connect to a domain on a client/server network
  7. Ability to work with dynamic disks
  8. System Restore
  9. Support for multiple CPUs
  10. Ability to run most MS-DOS applications
  11. Windows Update


11. What is the purpose of an emergency repair disk (ERD) under Windows XP?



  1. It holds a backup of certain system settings useful for repairing a damaged Windows installation.
  2. You can boot from it to the Recovery Console, a command prompt used for troubleshooting.
  3. It contains a complete copy of the Registry, which can be used to overwrite a corrupt Registry.
  4. It enables you to boot into an earlier version of Windows if the Windows XP install process fails.


12. Suppose a certain program loads at startup, but you don’t want it to. You have looked in the Startup submenu on the Start menu, but there is no shortcut for it there. Which utility might be useful for preventing it from loading?





For answers to these questions, go to www.certmag.com/0704/sg/answers.

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