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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 capability for operating multiple logical servers






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






3. The nerve center for networks that adhere to H.323. IT authorize and authenticate terminals and gateways - manage bandwidth - and oversee call routing - accounting - and billing.






4. A long form of an object's name in Active Directory that explicitly indicates the object name - plus the names of its containers and domains. It includes a DC (domain component) - OU (organizational unit) - and CN (common name).






5. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.






6. 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.






7. 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.






8. The process of making a disk partition available.






9. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.






10. An object in an operating system's directory - such as a printer or user - that does not contain other objects.






11. A protocol used for communication between media gateway controllers and media gateways.






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






13. The provision of telephone service over the Internet.






14. A device used on wireless LANs that transmits and receives wireless signals to and from multiple nodes and retransmits them to the rest of the network segment. Those can connect a group of nodes with a network or two networks with each other. They ma






15. A UNIX command that places files in the printer queue.






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






17. A 128-bit number generated and assigned to an object upon its creation in Active Directory.






18. 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






19. A service in which television signals from broadcast or cable networks travel over packet-switched networks.






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






21. Any type of video service - including IPTV - videoconferencing - and streaming video - that delivers video signals over packet-switched networks using the TCP/IP protocol suite.






22. A companion protocol to RTP - defined in RFC 3550 by the IETF - RTCP provides feedback on the quality of a call or videoconference to its participants.






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






24. In the context of IPTV - a device that decodes digital video signals and issues them to the television.






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






26. The term used to refer to the different implementations of a particular UNIX or Linux system. For example - different distributions of Linux include Fedora - SUSE - and Ubuntu.






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






28. An access point that provides routing functions.






29. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.






30. The computer instructions written in a programming language that is readable by humans.






31. Currently - the most popular version of WiMAX. IEEE improved the mobility and QoS characteristics of the technology - making it better suited to VoIP and mobile phone users.






32. A type of satellite that orbits the Earth with an altitude between 100 and 900 miles - closer to the Earth's poles than the orbits of either GEO or MEO satellites.






33. 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.






34. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.






35. A gateway that can translate IP fax data into analog fax data and vice versa.






36. A proprietary NOS from Apple Computer that is based on a version of UNIX.






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






38. The security relationship between domains in the same domain tree in which one domain grants every other domain in the tree access to its resources and - in turn - that domain can access other domains' resources.






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






40. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.






41. In the context of wireless networking - an assessment of client requirements - facility characteristics - and coverage areas to determine an access point arrangement that will ensure reliable wireless connectivity within a given area.






42. A protocol suite codified by the IETF (in RFC 2543) as a set of Session layer signaling and control protocols for multiservice - packet-based networks.






43. A telephone used for VoIP on a TCP/IP-based network.






44. In general - a listing that organizes resources and correlates them with their properties. In the context of NOSs - a method for organizing and managing objects.






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






46. On a SIP network - a server that accepts and responds to requests from user agents and SIP proxy servers for location information on recipients that belong to external domains.






47. 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.






48. 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.






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






50. A streaming video - either on demand or live - that is delivered via the Web.