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 device that uses a measurement of a body part - such as a fingerprint or retina scan.






2. Aka pin grid array.






3. Cable that consists of pairs of wires twisted around each other. The twists help to boost each wire's signals and make them less susceptible to electromagnetic interference (EMI).






4. A protocol that allows two devices to connect - authenticate - and negotiate what protocols they will use (almost always TCP/IP).






5. A riser card that is similar to audio modem riser (AMR) except that it is plug and play-compatible and supports LANs in addition to audio - modem - and sound.






6. A technology used by hard drives to speed up data transfers by using DMA channels.






7. A service implemented on Windows Servers that hides the complexity of the network from end users in that it makes files that are distributed across multiple servers appear as if they are in one place.






8. [1] A device that is the central connecting point of a LAN. A hub is little more than a multiport repeater taking incoming signals on one port and repeating them to all other ports. Ethernet hubs have been largely replaced by Ethernet switches.. [2]






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






10. The chunks into which the TCP protocol packages data. In addition to the data - each datagram contains information - stored in a header - which is used by the TCP protocol on the receiving end to reassemble the chunks of data into the original messag






11. An organization that created several PC standards - including the VGA connector.






12. Not revealing information about someone that would be harmful to or embarrass him or her.






13. A type of printer that uses a matrix of pins striking paper through an ink ribbon to create dots on the paper - forming alphanumeric characters and graphic images.






14. A socket for a PGA CPU that has a retention lever as well as contacts to match the number of pins on the CPU. The lever is used to attach the CPU to the socket in a manner that does not require force to insert or to remove the CPU.






15. A modulator/demodulator device that allows computers to communicate with one another over existing phone lines.






16. In networking - the authorization to access a computer or resource on a computer. Specific permission levels include read - change - modify - etc.






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






18. A WAN connection that uses an analog modem rather than a network card and uses standard phone cables rather than network cables.






19. Aka KVM switch.






20. The area at the beginning of a disk formatted with the FAT file system. This area contains the boot record - FAT table - and root directory.






21. A setting on an LCD display that adjusts the viewable area of the display horizontally.






22. Aka DDR2 SDRAM.






23. A display device that uses liquid crystals to display images.






24. A storage type in Windows that uses the partition table in the master boot record (MBR) to define disk partitions.






25. A portable computer small enough to fit in your hand - also referred to as a "palmtop" computer. Because it is so small - a PDA does not have the functionality of a laptop or desktop computer. In other words - a typical PDA allows you to perform only






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






27. A popular inkjet printer developed by Canon.






28. In reference to computers - the pathways or methods for what goes into a computer in the form of data and instructions and similarly what comes out of the computer in many forms - including an onscreen display - a printout sent to a printer - or data






29. Dual inline package. A very tiny slide that indicates two states. Motherboard and other circuit cards often have one or more groupings of DIP switches for configuring options.






30. An adapter used to connect a computer or other device to a network medium.






31. Aka customer premises equipment.






32. The high-definition optical disc formatting standard - promoted by Toshiba - that was defeated by the Blu-ray Disc standard as the widely accepted high-definition standard.






33. An operating system recovery tool introduced in Windows Me and improved in later versions of Windows. System Restore creates restore points - which are snapshots of Windows - its configuration - and all installed programs. If your computer has nonfat






34. Malware that hides itself from detection by antimalware programs; it is installed on a computer by someone who has privileged access to the computer.






35. A device - usually resembling a power strip - that protects equipment from power surges.






36. A program downloaded to a computer without the user's consent. The user unwittingly initiates the download by some simple act - such as browsing to a Website or opening an e-mail message written in HTML. Or a user may initiate a drive-by download by






37. Two disk drives used for RAID 1 - in which data is written to both drives at the same time - a practice called mirroring.






38. In the laser printer - the heated rollers that fuse the toner to the paper.






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






40. The successor to the Mini PCI. It has a 64-bit data bus and is half the size of a Mini PCI Card.






41. An installation of Windows that is not automated - where the user is required to pay attention throughout the entire process to provide information and to respond to messages. Also called a manual installation.






42. A device that converts DC current to AC. An inverter is required in a laptop to provide the AC current required by the display.






43. The act of moving through a neighborhood in a vehicle or on foot - using either a laptop equipped with Wi-Fi wireless network capability or a simple Wi-Fi sensor available for a few dollars from many sources. War drivers are searching for open hotspo






44. Erasable programmable read-only memory. A ROM chip that is erasable and reprogrammable through the use of specialized software.






45. The act of writing to two disk drives at the same time - creating identical drives.






46. A device that in its traditional configuration as a local KVM switch connects a single keyboard - video display - and mouse to two or more computer systems - allowing the user to switch control from one computer to another.






47. A server that manages DNS names.






48. A square snap coupling for fiber-optic cable - about 2.5 mm wide - used for cable-to-cable connections or to connect cables to network devices. It latches with a push-pull action similar to audio and video jacks.






49. A DVD of any type that can contain data on only one side.






50. A connector used to attach coaxial cables to computers and network equipment. Origin of the term may be "Bayonet-Neill-Concelman" or "British Naval Connector."