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Comptia Network + Wireless NOS Voip

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from Novell (costing as much as millions of dollars).






2. The term used to describe software that is distributed with few restrictions and whose source code is freely available.






3. 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.






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






5. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.






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






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






8. The GUI environment for UNIX and Linux systems.






9. An end node on a network; used most often in the context of wireless networks. transponder






10. A protocol used between media gateway controllers and media gateways. It is poised to replace MGCP on modern converged networks - as it supports a broader range of network technologies - including ATM. Also known as H.248.






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






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






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






14. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.






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






16. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.






17. In IEEE terminology - the identifier for a BSS (basic service set).






18. In LDAP naming conventions - the name of an object.






19. The relationship between two domains on a Windows Server 2003 or Server 2008 network that allows a domain controller from one domain to authenticate users from the other domain.






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






21. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.






22. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.






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






24. A type of WLAN in which stations communicate with an access point and not directly with each other.






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






26. The provision of telephone service over the Internet.






27. A proprietary implementation of the UNIX system distributed by IBM.






28. A logical representation of multiple - hierarchical levels in a directory.






29. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.






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






31. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.






32. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.






33. The action of associating a disk - directory - or device with a drive letter.






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






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






36. The signals made of electromagnetic energy that travel through the atmosphere.






37. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.






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






39. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.






40. A transmission technique in which a signal's bits are distributed over an entire frequency band at once. Each bit is coded so that the receiver can reassemble the original signal upon receiving the bits.






41. A highly privileged user ID that has all rights to create - delete - modify - move - read - write - or execute files on a UNIX or Linux system.






42. A technique for ensuring QoS by prioritizing traffic.






43. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.






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






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






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






48. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.






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






50. A method of multiprocessing that splits all operations equally among two or more processors.







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