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. On a Microsoft Windows network - a resource - such as a file folder or printer - that is available on the network.






2. 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.






3. In an operating system GUI - a tiny graphic representing an application - folder - disk - menu item - or other entity.






4. A diagram showing the purpose of each wire in a connector.






5. On a cable network - the device used at the customer site for the analog/digital conversion.






6. The difference in value between a display's brightest white and darkest black. Modern LCD displays have a contrast ratio of 500:1 or greater.






7. An identifier assigned to a process when it starts.






8. A network that covers a relatively small area - such as a building - home - office - or campus. The typical distances are measured in hundreds of meters.






9. The Microsoft Website from which you can download updates to Windows.






10. A power supply that converts between alternating current and direct current.






11. Aka boot record.






12. Fiber-optic cable that allows only a single light wave to pass down the cable.






13. In networks - when data can travel in either direction - but only in one direction at a time.






14. Aka Serial Attached SCSI.






15. 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.






16. Traditionally - this term only applied to the type of device described in the definition for analog modem. Now - it is also used for the digital devices in DSL and cable data communications.






17. Client software for browsing and accessing the content on the World Wide Web. Examples include Internet Explorer and Firefox.






18. A shared folder on a distribution server containing the source files for a remote installation.






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






20. A video signaling method in which analog video information is transmitted as two or more discrete signals. Two general types of component video are RGB Video and S-Video.






21. The signal in a television transmission that contains the brightness of the image.






22. A process that places the logical structure of a file system on a partitioned volume.






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






24. Aka electromagnetic pulse.






25. A table on each file and folder in the NTFS file system that contains one or more access control entries.






26. A connection over a wide area network.






27. Aka master boot record.






28. A network connection device at the core of a wireless network.






29. Aka plain-old telephone service.






30. Aka musical instrument digital interface.






31. An area of the Windows taskbar used by programs and some hardware devices to display status icons. Also called thenotification area or system tray.






32. Programmable ROM. A ROM chip that can have programs added to it.






33. A specialized chip that controls DMA channels.






34. A file system used by operating systems for organizing - reading - and writing optical discs.






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






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






37. 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 3.3 millimeters thick.






38. A power management standard that includes all the power states of APM - plus two more. It also supports soft power.






39. A generic term for a collection of information on known malware (not just viruses).






40. A type of switched network used by phone companies.






41. A process applied to digitally signed code to unencrypt the signature data and use the information to verify the program code was not modified since the signature was added.






42. Aka ATA Packet Interface.






43. A technology that makes 802.11n speeds possible - using multiple antennas to send and receive digital data in simultaneous radio streams that increases performance.






44. A video mode with a maximum graphics resolution of 1024






45. Used to represent the chrominance signal in S-Video.






46. Aka security auditing.






47. Aka routing information protocol.






48. Aka Hypertext Markup Language (HTML).






49. Aka direct current.






50. A depressed area on an optical disc that is alternated with raised areas to be interpreted as data.