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 registry key that exists within another key.






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






3. 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.






4. An LCD technology based on thin-film transistor (TFT) technology. An active matrix display has a transistor at every pixel - which enables much quicker display changes than passive matrix displays and produces a display quality comparable to a CRT.






5. A process applied to digitally signed code to unencrypt the signature data and use the information to verify the program code was not modified since the signature was added.






6. The proportion between an image's width and height. Traditional CRT monitors have an aspect ratio of 4:3. Widescreen displays have an aspect ratio of 16:9.






7. A measurement of the volume of electrons - also called current. It is calculated with the formula amps = watts / volts.






8. 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.






9. A command-line utility - installed with the TCP/IP protocol suite - that is used to troubleshoot DNS problems by querying DNS name servers and displaying the results of the queries.






10. A modified version of FAT12 and FAT16 used in Windows since Windows 95.






11. A laptop in which the display is an integrated digitizer.






12. A subprotocol of TCP/IP used for connectionless communications in which each packet is sent without establishing a connection.






13. 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






14. The process of using an oscillating magnetic field to reduce and randomize the magnetic field that builds up on the shadow mask of a CRT monitor.






15. Aka hacker.






16. BIOS that can be electronically upgraded.






17. One of the main protocols of the TCP/IP protocol suite - IP manages logical addressing of network packets so routing protocols can route the packets over the network.






18. On a circuit board - a small connector that slides down on a pair of pins jutting up from the board. Multiple pins are often side-by-side - and a jumper joins a pair of them.






19. A power management standard - introduced by Intel in 1992 - that defines four power-usage operating levels.






20. Aka RAMBUS Inline Memory Module.






21. 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.






22. In reference to IDE PATA drives - the slave drive on the second channel.






23. The act of discovering the cause of a problem and correcting it.






24. The box that houses the main computer system.






25. 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






26. 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 -






27. A power supply that converts between alternating current and direct current.






28. Aka Gigabit Ethernet.






29. The PCMCIA standard that succeeds the PC Card.






30. A network that covers a relatively small area - such as a building - home - office - or campus. The typical distances are measured in hundreds of meters.






31. A 36-pin connector mounted to a device's parallel interface.






32. A set of standards for imaging devices - such as scanners and cameras - that is used in drivers and other software for these devices.






33. On a Microsoft Windows network - a resource - such as a file folder or printer - that is available on the network.






34. The bus within a CPU that connects the CPU to external components.






35. A network service that handles the requests for Internet services - such as Web pages - files on an FTP server - and mail for a proxy client without exposing that client's IP address to the Internet. There is specific proxy server and client software






36. Aka thread.






37. Aka digital subscriber line.






38. Aka front side bus.






39. A pixel that is permanently turned on - causing the pixel to show constantly as red - green - or blue. Also called a stuck pixel.






40. Aka channel service unit.






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






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






43. Memory chips that use a special Rambus channel that has a data transfer rate of 800 MHz. A double channel width results in a 1.6 GHz data transfer. RDRAM sticks use special RIMM slots.






44. A video signaling method in which analog video information is transmitted as two or more discrete signals. Two general types of component video are RGB Video and S-Video.






45. A service that manages Microsoft NetBIOS names for a Windows network. This service is becoming obsolete - as Windows has moved to DNS for naming and name service.






46. A DVI mode that supports both analog and digital video signals.






47. The second version of the IEEE 1394 standard; it supports speeds up to 3.2 Gbps and distances of up to 100 meters.






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






49. A cooling fan mounted directly on the case - as opposed to a power supply fan - which is inside the power supply.






50. Aka complementary metal-oxide semiconductor.