Test your basic knowledge |

Comptia A + Certification

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In computer networking - a network located between a private network and the Internet with a firewall on both sides. A DMZ contains servers offering services to users on the Internet and inside the protected private network.






2. Aka power-on self-test.






3. A file used during an unattended installation of Windows. It provides a script of responses to the questions Setup asks so the user does not have to answer them manually.






4. A paid television subscription service offered by cable television providers.






5. Aka permanent virtual circuit.






6. The use of a biometric for authentication.






7. In the laser printing process - a blade that removes residual toner from the drum.






8. A CRT video setting - also known at horizontal hold - that holds the image horizontally on the screen.






9. Aka software firewall.






10. The act of safely installing/uninstalling or attaching/removing a device while a computer is up and running.






11. A communications system - owned and operated by the telephone companies - that multiplexes voice and data signals onto digital transmission line.






12. An external serial bus standardized by the IEEE. Apple first developed it as FireWire. Other manufacturers call it i.link or Lynx. It can support up to 63 daisy-chained devices. Since the introduction of the faster update - IEEE 1394b - the original






13. A parallel port mode that has the same performance as ECP but is used with parallel devices other than printers and scanners.






14. A CPU technology that allows two threads to execute at the same time within a single execution core. This technology is considered to be partially parallel execution. Intel introduced it in the Pentium 4 Xeon CPU. Also known as simultaneous multithre






15. A communications system now used for data communications via satellite that usually uses microwave radio frequencies and requires a dish antenna - receiver - and transmitter.






16. Program code that allows an operating system to control the use of a physical device.






17. Aka radio frequency.






18. A drive that can be safely installed and removed while a computer is up and running without damaging the data stored on the drive.






19. A virtual tunnel created between two endpoints over an untrusted network. The tunnel is created by encapsulating the packets within special packets for the tunnel. Other security methods are also usually applied to a VPN - such as encrypting the data






20. An external bus that connects into the PC's PCI bus. With USB - you can theoretically connect up to 127 devices to your computer.






21. A strap designed to discharge static electricity from your body. One end attaches to the wrist - whereas the other end attaches to a grounded object.






22. An optical disc created and read by a mechanism using a laser.






23. A Windows GUI utility that allows an administrator to view the status of devices and install - remove - and update device drivers.






24. Aka hard disk drive.






25. The disruption of signal transmission caused by the radiation of electrical and magnetic fields. Electric motors are a common source of EMI.






26. A single-sided - single-layer digital versatile disc (DVD) that stores 4.7 GB of data - or over two hours of video.






27. An LCD display characteristic that indicates the amount of time in milliseconds (ms) it takes for a single pixel to go from the active to the inactive state and back again.






28. Aka emergency repair disk.






29. A card that fits into the PC Card interface - including both PC Card and CardBus cards. This type measures 85.6 millimeters long by 54 millimeters wide and measures 10.5 mm thick.






30. Aka Spam over Instant Messaging.






31. Aka error-correcting code.






32. On a circuit board - a small connector that slides down on a pair of pins jutting up from the board. Multiple pins are often side-by-side - and a jumper joins a pair of them.






33. Using the same cabling as 10BaseT - Fast Ethernet - or 100Base-T - operates at 100 Mbps and uses different network interface cards.






34. The medium for a laser printer - which is normally packaged within a toner cartridge.






35. Aka secure socket layer.






36. A key on a laptop that is combined with the FN key to bring up a small volume control panel on the display. Using the up (?) or right (?) arrow key - the volume will increase. To decrease the volume - press the FN key and the SPEAKER VOLUME key along






37. A measurement of a body part - such as a fingerprint or retina scan.






38. In networking - the authorization to access a computer or resource on a computer. Specific permission levels include read - change - modify - etc.






39. Aka file allocation table.






40. An Advanced Options menu choice that creates a log of the Windows startup in a file named NTBTLOG.TXT and saved in thesystemroot folder (normally C:Windows).






41. The signal in a television transmission that contains the color of the image.






42. Digital versatile disc (DVD) discs that can be rewritten to - and data can also be overwritten. This standard is newer than DVD-RW. This term also refers to the drives that can write to these discs.






43. A printer that includes one or more other functions - such as a scanner and fax machine.






44. A term used by Microsoft for a peer-to-peer network in which each computer can be either a client or a server or both.






45. Aka Small Outline DIMM.






46. A special terminating stick that must be inserted into the open RIMM sockets.






47. Aka access control entry.






48. A device required at both ends of a T-carrier system connection.






49. A password that meets certain criteria in order to be difficult to crack. One definition of a strong password is one that contains at least eight characters - includes a combination of letters - numbers - and other symbols ( _ - - - $ - and so on) an






50. Aka antistatic mat.