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 network connection device that routes IP packets between networks.






2. An obsolete video standard introduced with IBM PS/2 computers in the late 1980s. VGA had a maximum resolution of 720






3. A T-1 multiplexer or a special LAN bridge that connects to the telephone company's channel service unit (CSU) - which encodes data for transmission over a T-carrier circuit.






4. A fraudulent method of obtaining personal and financial information through the use of pop-ups or e-mail messages that purport to be from a legitimate organization - such as a bank - credit card company - or retailer.






5. Introduced in Windows 2000 - a user interface for Windows administration tools that is flexible and configurable.






6. A way to monitor security-related events.






7. Aka Small Computer System Interface.






8. A drive on a computer that can play music CDs and read data CDs - but cannot write to CDs.






9. A group of features in the system BIOS - the chipset - the operating system - device drivers - and the individual components that enable efficient use of power in a computer.






10. Aka Hypertext Transfer Protocol (HTTP).






11. A riser card standard that AMD - 3Com - and others introduced in 2000 to supersede AMR. It uses one PCI slot - provides accelerated audio and modem functions as well as networking - and supports multiple Ethernet NICs.






12. The traditional wired telephone network.






13. A connector that is slightly larger than an RJ-11 connector and contains eight wires. RJ-45 connectors most commonly attach twisted-pair cables to Ethernet network cards.






14. A specialized type of memory used only with video adapters.






15. Also called 1000Base-T - this networking standard supports speeds up to 1 Gbps.






16. A network service that handles the requests for Internet services - such as Web pages - files on an FTP server - and mail for a proxy client without exposing that client's IP address to the Internet. There is specific proxy server and client software






17. A connector commonly used for PC keyboards. It is much smaller than the original DIN connector.






18. The number of colors used by a display.






19. The primary input device for a PDA - shaped like a pen and used to press small keys on a keypad - tap the screen to select items - or write data on the screen.






20. Aka KVM switch.






21. Used to represent the luminance signal in S-Video.






22. An early PC hard drive interface.






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






24. Aka Windows Internet Naming Service.






25. Super XGA - a video graphics mode with a maximum resolution of 1280






26. A special disk used for recovering an OS failure in Windows 2000. It requires that you create the ERD while the system is healthy - and then use it - along with the Windows Setup CD - to repair Windows.






27. Aka front side bus.






28. Aka low-voltage differential (LVD).






29. Digital versatile disc (DVD) discs that can be written to - and data can also be overwritten. This term also refers to the drives that can write to these discs.






30. Aka synchronous dynamic RAM.






31. A program that causes a modem to dial phone numbers surreptitiously.






32. A TCP/IP protocol developed as a solution to the dwindling number of IP addresses on the Internet and that also serves to hide IP addresses on a private network from the Internet.






33. A 25-pin D-shell connector.






34. 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






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






36. A DVI mode that supports digital video signals and is partially compatible with HDMI. Aka also digital video interface and High-Definition Multimedia Interface.






37. An interface on a PC that originally was unidirectional and operated at a speed of 150 KBps - but now has several operation modes.






38. 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.






39. A computer's temporary working space - usually in DRAM chips.






40. A password that locks your hard drive and is often stored in a TPM chip.






41. An interconnected network. The Internet is the largest example.






42. 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.






43. Aka channel service unit.






44. A cell phone with Personal Digital Assistant (PDA) functions built in.






45. In telecommunications - a technique that combines multiple messages or signals onto a single transmission channel.






46. Aka digital linear tape.






47. Aka digital subscriber line.






48. A small program - such as those that can be run from the Windows Sidebar.






49. A wireless network standard that uses the 2.4 GHz band at a speed of up to 10 Mbps.






50. A VESA standard for power management in display devices.