Test your basic knowledge |

Comptia Network + Wireless NOS Voip

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. The software that sits between the client and server in a 3-tier architecture.






2. On a SIP network - a server that maintains a database containing information about the locations (network addresses) of each user agent in its domain. When a user agent joins a SIP network - it transmits its location information to the SIP registrar






3. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.






4. A LAN that uses wireless connections for some or all of its transmissions.






5. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.






6. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.






7. A service that transmits faxes over a TCP/IP network.






8. In the context of wireless networking - the communication that occurs between a station and an access point to enable the station to connect to the network via that access point.






9. A private switch that accepts and interprets both analog and digital voice signals (although some IP-PBXs do not accept analog lines). It can connect with both traditional PSTN lines and data networks. |






10. The organization of files and directories (or folders) on a disk in which directories may contain files and other directories. When displayed graphically - this organization resembles a treelike structure.






11. On a SIP network - a server that accepts requests for location information from user agents - then queries the nearest registrar server on behalf of those user agents. If the recipient user agent is in the SIP proxy server's domain - then that server






12. In the context of 802.11n wireless networking - the ability for access points to issue multiple signals to stations - thereby multiplying the signal's strength and increasing their range and data-carrying capacity.






13. A UNIX distribution that originated at the University of California at Berkeley.






14. A type of wireless system in which the locations of the transmitter and receiver are static.






15. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.






16. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.






17. On a network following the H.323 standard - a gateway that provides translation between network devices running H.323 signaling protocols and devices running other types of signaling protocols (for example - SS7 on the PSTN).






18. A special identifier shared by BSSs that belong to the same ESS.






19. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.






20. A connection from an orbiting satellite to an Earth-based receiver.






21. The GUI environment for UNIX and Linux systems.






22. In the context of wireless signal propagation - the phenomenon that occurs when an electromagnetic wave encounters an obstruction and splits into secondary waves. The secondary waves continue to propagate in the direction in which they were split. Th






23. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.






24. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.






25. The process a wireless station undergoes to find an access point.






26. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.






27. The characteristic of wireless signals that follow a number of different paths to their destination (for example - because of reflection - diffraction - and scattering).






28. A character that enables you to combine existing commands to form new commands.






29. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.






30. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.






31. As specified in RFC 2205 - a QoS technique that attempts to reserve a specific amount of network resources for a transmission before the transmission occurs.






32. A unique character string used to identify an access point on an 802.11 network.






33. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user






34. A type of phone that includes a screen and can decode compressed video and interpret transport and signaling protocols necessary for conducting videoconference sessions.






35. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.






36. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).






37. The process of copying Active Directory data to multiple domain controllers. This ensures redundancy so that in case one of the domain controllers fails - clients can still log on to the network - be authenticated - and access resources.






38. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).






39. A connection from an Earth-based transmitter to an orbiting satellite.






40. A type of satellite that orbits the Earth roughly 6000 to 12 -000 miles above its surface - positioned between the equator and the poles. These satellites can cover a larger area of the Earth's surface than LEO satellites while using less power and c






41. A UNIX service responsible for printing files placed in the printer queue by the lpr command.






42. A representation of a thing or person associated with the network that belongs in the NOS directory.






43. The process of moving blocks of information - called pages - between RAM and into a page file on disk.






44. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.






45. In the DiffServ QoS technique - a forwarding specification that assigns each data stream a minimum departure rate from a given node. This technique circumvents delays that slow normal data from reaching its destination on time and in sequence.






46. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.






47. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.






48. A small (usually home) network composed of personal communications devices.






49. A Transport layer protocol used with voice and video transmission. It operates on top of UDP and provides information about packet sequence to help receiving nodes detect delay and packet loss. It also assigns packets a timestamp that corresponds to






50. The core of a UNIX or Linux system. This part of the operating system is loaded and run when you turn on your computer. It mediates between user programs and the computer hardware.