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 Encrypting File System (EFS).






2. A RAM standard that replaces the original DDR2 standard and requires far less power - while providing almost twice the bandwidth. A stick of DDR3 SDRAM has 240 pins - but is keyed so it will not fit into a socket designed for DDR2. DDR3 SO-DIMMs have






3. Aka central processing unit.






4. The protocol used by DHCP servers and clients. A DHCP server allocates IP addresses within the scope of addresses configured on the server by an administrator. DHCP clients request IP addresses and other IP configuration settings from DHCP Servers.






5. Aka thumb drive.






6. Pertaining to a DVD drive and disc that can store data in two pitted layers on each data side - with each layer having a different reflectivity index.






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






8. A drive that is mapped to an empty folder on an NTFS volume and is assigned a drive path rather than drive letters.






9. 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






10. Aka Domain Name Service.






11. A new level of an operating system with major changes to the core components.






12. A CPU containing four CPU cores.






13. The oldest of the Wi-Fi encryption standards. It uses 64- or 128-bit encryption that is easily broken. It does not encrypt the actual data in a packet - and it does not perform user authentication on a packet.






14. A group of schemes designed to provide either better performance or improved data reliability through redundancy.






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






16. A drive used for reading from and writing to removable floppy disks. Also called FDD.






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






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






19. Aka power-on self-test.






20. A single-sided - double-layer digital versatile disc (DVD) that stores 8.54 GB of data - or over four hours of video.






21. Aka Ethernet.






22. Aka Hypertext Transfer Protocol (HTTP).






23. 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.






24. A DVD of any type that can store data on both sides of the disc.






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






26. Aka network address translation.






27. In Windows - an Advanced Options menu choice that starts Windows without several drivers and components and loads only very basic - non-vendor-specific drivers for mouse - video - keyboard - mass storage - and system services. Safe Mode also displays






28. A circuit on a motherboard through which incoming power passes. Several voltage regulators maintain a steady voltage as demand goes up and down - with one or more voltage regulators for the various voltages required (5 volts - 12 volts - 3.3 volts -






29. In the FAT file system - the top-level directory in which the operating system stores information about files - including a reference to the FAT table so it knows where to find the file's contents on disk. The NTFS file system also has a root - or to






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






31. The specific requirements for the level of CPU - amount of memory - and size of the hard disk for the computer on which an operating system can be installed.






32. A device that stores a large amount of information - even when it is powered off.






33. 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






34. A type of printer that uses solid - rather than liquid - ink.






35. Radio frequency interference. Radio signals that occur in proximity to equipment that is sensitive to these types of signals.






36. A Windows service that allows a user to connect remotely to a computer and run the Windows desktop on the remote computer - but have the same access as if logged on to the computer and its local network.






37. One of the two prevailing CPU manufacturers.






38. A portion of a program that can run separately from and concurrently with other portions of the program. Also called thread of execution.






39. Aka optical character recognition.






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






41. A cooling fan located on a CPU.






42. A printer that creates printed output line by line.






43. Aka floating-point unit.






44. A type of motherboard used in older PC systems; also refers to the 1984 IBM PC AT model.






45. A communications system - owned and operated by the telephone companies - that multiplexes voice and data signals onto digital transmission line.






46. 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.






47. A long-established fiber-optic WAN technology.






48. Fiber-optic cable in which multiple light waves can pass simultaneously. Usually larger in diameter than single-mode fiber; and each wave uses a certain portion of the fiber cable for transmission.






49. The practice of applying a digital signature to device driver code.






50. A wireless mode requiring a wireless access point (WAP).