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 memory error-checking method in which the parity bit is used to ensure that the total number of 1s in the data stream is odd.






2. A parallel port mode that has the same performance as ECP but is used with parallel devices other than printers and scanners.






3. A virus that gains access to a computer by masquerading as a harmless program that a user innocently installs on the computer.






4. A standard for hard drives that attach to the Parallel AT Attachment (PATA) interface.






5. 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.






6. In the domain name system - a first-level domain - which is a suffix added to a registered domain name and separated from the domain name with a "dot" (.). Among the TLDs are .com - .gov - .edu - .org - .mil - .net - .biz - many two-lettered country






7. A security feature introduced in Windows Vista to prevent unauthorized changes to Windows.






8. An early technology for increasing the performance of DRAM.






9. In an IP packet - a value field that shows how many routers the packet can cross before being discarded.






10. The redirection of incoming traffic to the requesting internal hosts that initiated the communication with an external host.






11. A chip that works with a serial port - converting outgoing data from parallel to serial and incoming data from serial to parallel.






12. Aka denial of service (DoS) attack.






13. Any video adapter or monitor that exceeds the VGA standard in resolution and color depth with a maximum resolution of 1600






14. Aka digital video interface.






15. In Windows - an Advanced Options menu choice that will start Windows without the Windows GUI (EXPLORER.EXE) and with only a simple Command Prompt window from which you can launch Windows administrative utilities.






16. Aka cathode ray tube (CRT) monitor.






17. A network connection device that passes traffic between two networks - using the physical address (MAC address) of the destination device.






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






19. An organization that creates standards for laptop computer peripheral devices.






20. Aka Post Office Protocol.






21. Aka second-level domain.






22. One of the two prevailing CPU manufacturers.






23. The third version of the IEEE 1394 standard; it is a departure from the old standards in that it uses Category 5e twisted pair cable with RJ-45 connectors - combining Ethernet and FireWire.






24. A virus that downloads to a user's computer through a pop-up window that appears in a Web browser. It requires an action on the part of a user - such as clicking a button that implies acceptance of something like free information.






25. A memory error-checking method in which the parity bit is used to ensure that the total number of 1s in the data stream is even.






26. A misnomer - referring to the BIOS settings that are stored in a CMOS chip.






27. Aka Enhanced IDE.






28. An Advanced Options choice that will temporarily disable the Automatically Restart option on the Advanced page of System Properties.






29. Circuitry in a PC on an adapter card - or directly on the motherboard - that controls the output from the PC to the display device.






30. A level of service offered by the telephone companies over a T-carrier circuit that provides full-duplex transmissions at 1.544 Mbps - carrying digital voice - data - or video signals.






31. A network name used to identify a wireless network. Consisting of up to 32 characters - the SSID travels with the messages on the wireless network. All of the wireless devices on a WLAN must use the same SSID in order to communicate.






32. Aka PCIe.






33. A type of KVM switch that is controlled through a mechanical switch on the box.






34. The delivery of electricity (as from a wall outlet) in which the flow of electrons reverses periodically and has alternating positive and negative values.






35. A connector that contains two to four wires and usually attaches phone cables to modems and to wall-mounted phone jacks.






36. Aka Compact Disc-Read-Only Memory.






37. A component that you can install into a system onsite - such as memory modules - heat sinks - and CMOS batteries.






38. The process of informing the software manufacturer who the official owner or user of the product is - and providing contact information such as name - address - company - phone number - e-mail address - and so on - about them. Registration is usually






39. A RAM module designed for subcompact and laptop computers. It is half the size of a SoDIMM module.






40. 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






41. A method used by several software manufacturers to combat software piracy. The formal name for Microsoft's activation is Microsoft Product Activation (MPA).






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






43. The sudden and uncontrolled movement of electricity from an object with a greater charge to one with a lesser charge. Also called static electricity.






44. Aka PCIe.






45. The generic term for a pointing stick.






46. A method for supporting up to 8.3 GB capacity hard drives. Both the BIOS and hard drive system must use LBA.






47. Specialized hardware used to create and manage a RAID array.






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






49. A single-sided - single-layer digital versatile disc (DVD) that stores 4.7 GB of data - or over two hours of video.






50. Aka dynamic RAM.