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. 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.






2. An Advanced Options menu choice that simply causes Windows to restart normally (if it can).






3. A single-pin RCA phone jack for transferring digital audio from CD and DVD players to amplifiers and speakers.






4. Aka Domain Name Service.






5. A technology for transferring serial data at high speeds. Also known as low-voltage differential signaling (LVDS).






6. A group of tests - stored in the BIOS and performed as a PC boots up - to check for the presence and function of system components.






7. Sony-Philips digital interface format






8. BIOS that can be electronically upgraded.






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






10. A security account that exists in a local security accounts database.






11. Device that stores digital data on magnetized media - such as floppy disks - the metal platters in hard disk drives - and magnetic tape media used in tape drives.






12. In the laser printing process - the step in which the laser beam creates a negative of the image that will eventually appear on the printout. Each place that the laser beam touches loses most of its charge - creating an image - whereas the rest of th






13. Describes the VGA mode color setting that - although it can produce around 16 million different colors - can only display up to 256 different colors at a time.






14. Aka nickel metal hydride.






15. Aka audio modem riser.






16. A type of arithmetic logic unit (ALU) that is used to perform specialized functions - such as division and large decimal number operations. Also called a math coprocessor.






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






18. Aka musical instrument digital interface.






19. Aka complementary metal-oxide semiconductor.






20. A long-established fiber-optic WAN technology.






21. An optional toolbar you can add to the taskbar just to the right of the Start button. Shortcuts on this bar launch with a single-click.






22. 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.






23. A file attribute set by the OS when a file is created or modified. Backup software often removes this attribute when backing up a file in order to mark it as a backed-up file.






24. Aka time to live.






25. 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.






26. Light emitting diode - a tiny bulb light found on many devices - often used to indicate operational status.






27. Aka double-data rate (DDR) SDRAM.






28. A hardware device or a program that monitors and records a user's every keystroke - usually without the user's knowledge.






29. A subprotocol of IP that detects and reports problems that can cause errors.






30. An input device that uses a stylus. Available as an external device - it uses touch screen technology and is usually at least the size of a sheet of paper. Also called a digitizer.






31. An Intel specification for the PC 32-bit architecture defining CPUs - motherboards - and other components.






32. One of the main protocols of the TCP/IP protocol suite - IP manages logical addressing of network packets so routing protocols can route the packets over the network.






33. A processor on a graphics adapter used to render graphics images for the display - saving the CPU for other functions.






34. The process of using an oscillating magnetic field to reduce and randomize the magnetic field that builds up on the shadow mask of a CRT monitor.






35. A category of adapter card that accepts and records video signals to a PC's hard drive. A TV tuner card is a type of capture card.






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






37. In power supplies - the amount of wattage the power supply can handle.






38. Aka input/output.






39. 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.






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






41. Aka customer premises equipment.






42. Aka capture card.






43. The term used for dynamic space allocation that can be formatted with a file system.






44. In a low-profile PC case - a card that plugs into a motherboard to allow other cards to be inserted at a right angle to the riser card and parallel to the motherboard. Also - a single expansion card containing multiple functions - such as modem - sou






45. Ultra extended graphics array - a video graphics mode with a maximum resolution of 1600






46. A fiber-optic connector that has a snap coupling and - at 1.25 mm - is half the size of the SC connector. Also called a local connector.






47. The wireless nodes (including the WAP) communicating together in infrastructure mode.






48. Aka Ethernet.






49. 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.






50. A power supply standard that has both the 20-pin connector for the motherboard and a 4-pin 12 V connector.