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 service that manages Microsoft NetBIOS names for a Windows network. This service is becoming obsolete - as Windows has moved to DNS for naming and name service.






2. The conversion of data into a special format that cannot be read by anyone unless they have a software key to convert it back into its usable form.






3. A drive that can write either to CD-R discs or to specially designed CD-RW discs. In the case of the CD-RW discs - the drive can write more than once to the same portion of disc - overwriting old data.






4. Aka Wi-Fi Protected Access (WPA).






5. A version of Windows XP that includes Windows Media Center - which supports advanced multimedia functions.






6. A laptop is a small - easily transported computer - generally weighing less than 7 pounds and with roughly the same dimensions as a 1- to 2-inch-thick stack of magazines. Laptops computers have an all-in-one layout in which the keyboard - and often t






7. The original digital versatile disc (DVD) encoding format used for movies sold at retail.






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






9. A method of memory error-checking that is more sophisticated than parity checking. Like parity checking - it adds an extra bit per byte. In addition - software in the system memory controller uses an algorithm to both detect and correct errors.






10. An LCD display that accepts a digital signal. Early LCD displays accepted an analog signal and converted it to digital internally.






11. [1] On computer circuit boards - a very tiny slide that indicates two states.. [2] In a network - a network device - much like a hub - except that a switch takes an incoming signal and sends it to only the destination port - avoiding collisions and m






12. A protocol used by e-mail clients for communicating with e-mail servers. This protocol is replacing the POP protocol. IMAP allows users to connect to e-mail servers and not only retrieve e-mail - which removes the messages from the server - as they c






13. A Windows sleep mode that uses hard drive space to save all the programs and data that are in memory at the time you choose this mode. The computer then completely shuts down and requires no power while it is hibernating.






14. A common connector used to connect a power supply to floppy drives.






15. Aka accelerated graphics port.






16. A WAN connection that uses existing copper telephone wire for the communication circuit. To accomplish this - a DSL modem splits the existing phone line into two bands; voice transmission uses the frequencies below 4000 Hz - whereas data transmission






17. Also called striping with distributed parity or striping with interleave parity - this RAID method involves a set of disks in which every time data is written to disk - a portion is written to each disk in turn - creating a "stripe" of data across th






18. The act of covertly obtaining information broadcast from wireless devices using the Bluetooth standard.






19. A drive interface for EIDE drives that transfers data serially at speeds between 150 MBps and 300 MBps and 6 Gbps - depending on the version of the standard.






20. A digital video interface that has several modes - including one that offers downward compatibility with analog displays. It requires a special connector - which comes in several variations to support the DVI modes.






21. A network that covers a metropolitan area - usually using high-speed fiber-optic cable (operating in the gigabits-per-second range).






22. Aka denial of service (DoS) attack.






23. 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.






24. A network in which dedicated computers called servers store data and provide print services or other capabilities to computers running the appropriate client service or services.






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






26. The type of connector used in the ExpressCard interface.






27. Aka Voice over IP (VoIP).






28. Aka Internet Message Access Protocol (IMAP).






29. Aka World Wide Web.






30. A slide switch on the exterior of a PC power supply used to switch between two input voltages.






31. A screen device for video output. Also called a monitor.






32. Local area networking using radio waves - with the most common based on the IEEE 802.11 group of standards (802.11a - 802.11b - 802.11g - and 802.11n).






33. A type of RIMM memory module used in laptops.






34. Aka internal cache memory.






35. A display device that contains a cathode ray tube and uses an electron gun to activate phosphors behind the screen at the front of the tub.






36. The EXPLORER.EXE program. This program supports the entire Windows GUI. If EXPLORER.EXE is called up from inside the GUI - it opens a window for browsing your local disks and files.






37. A unit of measurement of actual delivered power - calculated by the formula watts = volts






38. Aka audio modem riser.






39. In a Microsoft Windows network - an administrative organization with a centralized security accounts database maintained on one or more special servers called domain controllers. This centralized database contains accounts for users - groups - and co






40. Aka Scalable Link Interface.






41. Synchronous graphics random access memory is a type of RAM used on video adapters.






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






43. Aka File Transfer Protocol (FTP).






44. Aka thermal compound.






45. The format in which IP addresses are usually shown - with decimal numbers separated by "dots" as in 192.168.100.2.






46. The hardware architecture - including the CPU - BIOS - and chipset.






47. A CPU containing four CPU cores.






48. Aka DDR2 SDRAM.






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






50. A digital display interface standard developed by the Video Electronics Standards Association that supports both video and audio signals - contains HDCP copy protection - and is unique because it is royalty-free to manufacturers.