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 required at both ends of a T-carrier system connection.






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






3. An early PC hard drive interface.






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






5. 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






6. A communications network made up of personal computing devices - such as computers - telephones - and personal digital assistants.






7. One of the two main protocols of the TCP/IP protocol suite - TCP breaks the data into chunks - called datagrams. Each datagram also contains information - stored in a header - which is used by the TCP protocol on the receiving end to reassemble the c






8. A non-routable network protocol suite for use only in small networks.






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






10. The amount of data that can travel over a network at a given time.






11. A process that runs "behind the scenes" with a low priority - does not require input - and rarely creates output.






12. A solid-state storage standard for high-capacity (2 - 4 - and 8 GB) memory cards that are tiny






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






14. Aka musical instrument digital interface.






15. An optical disc created and read by a mechanism using a laser.






16. A process that places the logical structure of a file system on a partitioned volume.






17. A joke program that produces strange behavior - such as screen distortions - erratic cursor behavior - or strange icons to appear on the screen.






18. A software fix for a single problem.






19. 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.






20. The primary input device for a PDA - shaped like a pen and used to press small keys on a keypad - tap the screen to select items - or write data on the screen.






21. One or more lights (usually LEDs) on a device that indicate the device's operational status through the color of the light - by blinking or remaining steady or both.






22. A virus that downloads to a user's computer through a pop-up window that appears in a Web browser. It requires an action on the part of a user - such as clicking a button that implies acceptance of something like free information.






23. A Windows utility that allows you to create tasks that run automatically at the times you select.






24. A connector commonly used for PC keyboards. It is much smaller than the original DIN connector.






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






26. A private internetwork.






27. 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.






28. A special terminating stick that must be inserted into the open RIMM sockets.






29. An adapter card used to run a special diagnostic test on a computer as it is powering up. These tests usually go beyond those performed by the system BIOS-based POST.






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






31. An LCD display setting that adjusts the viewable area of the display vertically.






32. 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.






33. In the domain name system - a name that is registered under a top-level domain - such as mcgraw-hill.com or microsoft.com.






34. The generic term for a pointing stick.






35. Aka low-voltage differential signaling (LVDS).






36. The third version of the IEEE 1394 standard; it is a departure from the old standards in that it uses Category 5e twisted pair cable with RJ-45 connectors - combining Ethernet and FireWire.






37. 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






38. The digital versatile disc (DVD) encoding format used for data storage.






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






40. A RAID array in which every time data is written to disk - a portion (block) is written to each disk in turn - creating a "stripe" of data across the member disks. RAID 0 uses the total disk space in the array for storage - without protecting the dat






41. The former name of the Parallel AT Attachment (PATA) interface standard.






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






43. Aka demilitarized zone.






44. An encryption technology introduced in Windows Vista Enterprise and Ultimate editions - Windows Server 2008 - and also in Windows 7 Ultimate and Enterprise editions. It encrypts the entire boot volume.






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






46. 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






47. The IBM branded name for a pointing stick or track point.






48. The difference in value between a display's brightest white and darkest black. Modern LCD displays have a contrast ratio of 500:1 or greater.






49. A network connection device at the core of a wireless network.






50. A network that covers a metropolitan area - usually using high-speed fiber-optic cable (operating in the gigabits-per-second range).