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. Aka network interface card.






2. A type of printer that uses a film coated with colored wax that melts onto paper. These printers are similar to dye-sublimation printers but differ in two major ways: the film contains wax rather than dye - and these printers do not require special p






3. A computer (or dedicated device) that sits between a private network and an untrusted network and examines all traffic in and out of the network it is protecting. It will block any traffic it recognizes as a potential threat - using a variety of tech






4. In reference to networks - communications in both directions at the same time.






5. A computer display that uses liquid crystal or plasma technology and does not require the bulk of a large picture tube. The screen enclosure can be as thin as one to two inches.






6. An LCD display that uses a DB-15 connector - which means that it accepts analog signals that it converts to digital.






7. A riser card that is similar to audio modem riser (AMR) except that it is plug and play-compatible and supports LANs in addition to audio - modem - and sound.






8. A dark spot on an LCD screen caused when a transistor is permanently off.






9. A measurement of the pressure of electrons - the electromotive force. It is calculated by the formula volts = watts / amps.






10. A dedicated computer that stores data and provides print services or other capabilities to network clients.






11. An obsolete memory module standard that was produced in 30-pin and 72-pin sizes. Thirty-pin SIMMs are 8-bit - and 72-pin SIMMs are 32-bit.






12. A network connection over long distances - traditionally using phone lines or satellite communications.






13. A TPM is a special microchip - installed on a motherboard - that stores passwords - keys - and digital certificates. Various services - such as BitLocker can store such security data in this chip.






14. Radio frequency interference. Radio signals that occur in proximity to equipment that is sensitive to these types of signals.






15. Aka thermal compound.






16. The act of electronically upgrading BIOS.






17. A command-line utility - installed with the TCP/IP protocol suite - that is used to troubleshoot DNS problems by querying DNS name servers and displaying the results of the queries.






18. A cable medium that transmits light pulses rather than electrical signals - so it is not susceptible to electromagnetic interference (EMI).






19. A variety of persuasion techniques used for many purposes






20. Aka software firewall.






21. In the laser printing process - the stage in which the image is removed from the photosensitive drum so it can accept the next image.






22. The amount of data that can travel over a network at a given time.






23. The use of more than one monitor on a single computer.






24. A Windows service designed to allow a user to invite someone to help troubleshoot a problem.






25. Aka Automatic Private IP Address.






26. Any type of computer that you can easily transport and that contains an all-in-one component layout.






27. A protocol used with WPA wireless encryption that was broken by hackers.






28. Storage media that is removable - meaning the drive stays in place - while the media (disk - disc - or tape) is removed and replaced with another disk - disc - or tape.






29. A modulator/demodulator device that allows computers to communicate with one another over existing phone lines.






30. Aka adapter card.






31. A technology for ROM that can be reprogrammed using special software.






32. An automated software installation that does not require a person be present to respond to prompts for information.






33. The smallest laptop type - weighing less than 3 pounds. Aka also netbook and mini-notebook.






34. A file used by Windows for virtual memory. Also called the swap file. The actual filename in Windows is PAGEFILE.SYS.






35. The settings within a registry key.






36. A device that converts DC current to AC. An inverter is required in a laptop to provide the AC current required by the display.






37. The amount of time it takes a packet to travel from one point to another.






38. A user interface that takes advantage of the video system's graphics capabilities for manipulated graphic elements that represent objects and tasks.






39. Aka digital video interface.






40. A video mode that most often consists of a combination of 640






41. Aka network address translation.






42. An action - such as the CTRL-ALT-DELETE key combination or the insertion of a smart card - that clears memory of certain types of viruses before a user logs on.






43. Aka distributed denial of service attack.






44. Erasable programmable read-only memory. A ROM chip that is erasable and reprogrammable through the use of specialized software.






45. Aka nickel metal hydride.






46. Aka channel service unit.






47. Aka top-level domain.






48. Aka Internet service provider.






49. A mat that provides a path to ground for a static charge and is designed for the desktop or floor of a workspace. One placed on the workbench reduces the risk of electrostatic discharge for components placed on it - while one placed on the floor prov






50. The oldest of the Wi-Fi encryption standards. It uses 64- or 128-bit encryption that is easily broken. It does not encrypt the actual data in a packet - and it does not perform user authentication on a packet.