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. Aka low-voltage differential signaling (LVDS).






2. 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.






3. The graphical Internet consisting of a vast array of documents located on millions of specialized servers worldwide. The documents are created using HTML and other specialized languages - and transferred from servers to client computers using HTTP an






4. Aka floating-point unit.






5. A virtual tunnel created between two endpoints over an untrusted network. The tunnel is created by encapsulating the packets within special packets for the tunnel. Other security methods are also usually applied to a VPN - such as encrypting the data






6. In reference to a memory module - how much information the processor can access from or write to memory in a single cycle.






7. Any type of computer that you can easily transport and that contains an all-in-one component layout.






8. An address that a DHCP client will assign to itself after requesting an address and failing to receive one from a DHCP server. The address it will assign is in the 169.254 /16 network - which is the range of addresses from 169.254.0.1 to 169.254.255.






9. A portion of a computer's chipset that controls communications between the CPU and such I/O busses as USB - IDE - PS2 - SATA - and others.






10. An exact duplicate of an entire hard drive's contents - including the OS and all installed software.






11. A marriage of SCSI and Serial ATA - this uses a serial interface to a SCSI bus.






12. Personal System/2 - as in PS/2-style mice and keyboards and connectors. Also called mini-DIN connectors.






13. A key on a laptop that is combined with the FN key to bring up a small volume control panel on the display. Using the up (?) or right (?) arrow key - the volume will increase. To decrease the volume - press the FN key and the SPEAKER VOLUME key along






14. Aka adapter card.






15. Things used for authentication - such as something you know - something you have - or something you are. Authentication involves one or more of these factors and can - therefore - be one-factor - two-factor - or three-factor authentication.






16. At first - a terminal was not much more than a display - a keyboard - and the minimal circuitry for connecting to the mainframe. Now - a terminal can be a computer running Windows or other operating system - plus terminal client emulation software th






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






18. 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






19. Aka thumb drive.






20. A small expansion card introduced in the late 1990s that plugs into a special slot on a motherboard and uses the CPU to perform modem functions and sound functions. It is not plug and play compatible.






21. Aka internal cache memory.






22. Aka MSCONFIG.






23. This GUI utility will display a system summary of the hardware - operating system - and other software.






24. The type of electrical current delivered by a battery in which the electrons flow in only one direction.






25. Aka Sony/Philips Digital Interface.






26. Aka solid-state storage.






27. The original version of the IEEE 1394 standard that supports speeds up to 400 Mbps.






28. The boot loader file in Windows 2000 and Windows XP. During the boot loader phase - NTLDR takes control of the system - switches the CPU to protected mode - starts the file system - and reads the BOOT.INI file.






29. In a computer - pathways that power - data - and control signals travel from one component to another within the system.






30. A CPU containing four CPU cores.






31. Aka hacker.






32. A DVD drive that cannot write to but can read DVD discs.






33. An action - such as the CTRL-ALT-DELETE key combination or the insertion of a smart card - that clears memory of certain types of viruses before a user logs on.






34. An Advanced Options menu choice that creates a log of the Windows startup in a file named NTBTLOG.TXT and saved in thesystemroot folder (normally C:Windows).






35. A heat dissipation device - usually a passive metal object with a flat surface attached to a component - such as a chip.






36. Digital versatile disc (DVD) discs that can be written to once - but data cannot be overwritten. This term also refers to the drives that can write to these discs.






37. Aka double-data rate (DDR) SDRAM.






38. A computer (or dedicated device) that sits between a private network and an untrusted network and examines all traffic in and out of the network it is protecting. It will block any traffic it recognizes as a potential threat - using a variety of tech






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






40. In Disk Management - the status given to a dynamic disk that has not had its configuration information (stored on the disk) imported into Windows. This status occurs when a dynamic disk is moved to a different Windows computer or when a dynamic disk






41. A specialized device for testing a power supply unit that comes with connectors compatible with the output connectors on a standard power supply.






42. A feature of HDMI that prevents people from illegally copying HD DVDs. Aka also High-Definition Multimedia Interface (HDMI).






43. The "activity" status light on a NIC that indicates data is being transmitted.






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






45. The act of safely installing/uninstalling or attaching/removing a device while a computer is up and running.






46. The black box that appears around an image - such as a widescreen video when it is displayed on a screen with a 4:3 aspect ratio.






47. The top-level folder or directory in the file structure. This appears the same - regardless of the underlying file system.






48. A drive that can be safely installed and removed while a computer is up and running without damaging the data stored on the drive.






49. An underlying protocol that supports Microsoft Remote Desktop.






50. The settings within a registry key.