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






2. 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






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






4. A diagram showing the purpose of each wire in a connector.






5. A device used with a laptop. The port replicator remains on the desktop with external devices connected to ports on it. A laptop then needs only one connection to the port replicator to have access to the peripherals.






6. 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.






7. Showing consideration for others.






8. In a laser printer - the lamp that heats the fusing rollers.






9. In networking - this is a set of rules for using network hardware and software. In most discussions about networks - this term is assigned to certain network software components.






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






11. Authentication is validation of a user account and password that occurs before the security components of Windows will give the user access to the computer.






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






13. A network protocol suite originally developed for the Internet; it has been mostly adopted on private networks.






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






15. 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






16. 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.






17. Aka Spam over Instant Messaging.






18. A type of KVM switch that controls computers over a distance that is a function of the cabling and protocols it uses. The two types of switches are local remote KVM switch and KVM over IP.






19. A printer that uses a light beam (laser) in the printing process.






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






21. 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.






22. DRAM that runs at the speed of the system bus (up to 100-133 MHz).






23. A small group of computers communicating wirelessly with one another without the use of a centralized wireless access point (WAP).






24. Aka Digital Light Processing.






25. 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






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






27. A pointing device built into some laptop keyboards. It appears to be a very tiny joystick-type button that barely protrudes above the level of the keys.






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






29. Aka hard disk drive.






30. Aka hyper threading.






31. A measurement of the pressure of electrons - the electromotive force. It is calculated by the formula volts = watts / amps.






32. The signal in a television transmission that contains the brightness of the image.






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






34. Aka permanent virtual circuit.






35. The Windows Vista and Windows 7 tool for gathering and viewing performance data involving memory - disks - processors - network - and other objectives.






36. Aka continuity RIMM.






37. Device that stores digital data on magnetized media - such as floppy disks - the metal platters in hard disk drives - and magnetic tape media used in tape drives.






38. Aka Wi-Fi Protected Access (WPA).






39. A small device containing a microchip used to generate unique passwords for logging on to a computer or a network.






40. Aka Video Electronics Standards Organization.






41. 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.






42. Aka dynamic RAM.






43. 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






44. A device installed at the end of a SCSI chain to absorb signals so they do not bounce back along the cable.






45. An Advanced Options menu choice that simply causes Windows to restart normally (if it can).






46. An expansion bus architecture that uses serial communications rather than the parallel communications of PCI. Also called PCI Express and PCI-E.






47. A printer that includes one or more other functions - such as a scanner and fax machine.






48. A virtual communication circuit that is created and remains available between two endpoints - which are normally some form of data terminal equipment (DTE). Telecommunications companies provide PVC service to companies requiring a dedicated circuit b






49. A program used to discover a password.






50. A program that blocks browser pop-ups.