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






2. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.






3. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.






4. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.






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






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






7. A file system developed by Microsoft and used with its Windows NT - Windows 2000 Server - Windows Server 2003 - and Windows 2008 operating systems.






8. 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.






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






10. 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).






11. A protocol for communications and resource access between systems - such as clients and servers.






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






13. The name of the primary file system used in most Linux distributions.






14. A standard protocol for accessing network directories.






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






16. 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.






17. The preferred Active Directory naming convention for objects when used in informal situations. This name looks like a familiar Internet address - including the positioning of the domain name after the @ sign.






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






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. 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.






21. A pictorial representation of computer functions and elements that - in the case of NOSs - enables administrators to more easily manage files - users - groups - security - printers - and other issues.






22. A continuum of electromagnetic waves used for data and voice






23. A type of software license that - for a fixed price - allows any number of users in one location to legally access a program.






24. 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.






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






26. A service in which video signals are compressed and delivered over the Internet in a continuous stream so that a user can watch and listen even before all the data has been transmitted.






27. 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.






28. A file on the hard drive that is used for virtual memory.






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






30. A wireless networking standard that uses FHSS (frequency hopping spread spectrum) signaling in the 2.4-GHz band to achieve a maximum throughput of either 723 Kbps or 2.1 Mbps - depending on the version. IT was designed for use primarily with small of






31. Another term for the UNIX command interpreter.






32. The IEEE standard for a wireless networking technique that uses multiple frequency bands in the 5-GHz frequency range and provides a theoretical maximum throughput of 54 Mbps.






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






34. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.






35. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.






36. 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.






37. The proprietary version of UNIX that comes from Bell Labs.






38. 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).






39. The capability for operating multiple logical servers






40. 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






41. 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.






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






43. A protocol that enables one system to access files on another system.






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






45. A Session layer call signaling protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for call or videoconference setup between nodes on a VoIP or video-over-IP network - indicating node status - requesting addit






46. 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






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






48. A method of satellite Internet access in which a subscriber receives data via a satellite downlink transmission - but sends data to the satellite via an analog modem (dialup) connection.






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






50. An access point that provides routing functions.







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