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






2. A type of wireless LAN in which stations communicate directly with each other (rather than using an access point).






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






4. A computer configured to act like an IP telephone. SS7 (Signaling System 7) | A set of standards established by the ITU for handling call signaling on the PSTN (public switched telephone network).






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






6. 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






7. 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.






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






9. The process of making a disk partition available.






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






11. A standard protocol for accessing network directories.






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






13. Another term for the UNIX command interpreter.






14. In the context of Windows Server 2003 or Server 2008 - a collection of domain trees that use different namespaces. It allows for trust relationships to be established between trees.






15. 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.






16. A wireless signaling technique in which a signal jumps between several different frequencies within a band in a synchronization pattern known to the channel's receiver and transmitter.






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






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






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






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






21. In LDAP naming conventions - the name of any one of the domains to which an object belongs.






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






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






24. A routine of sequential instructions that runs until it has achieved its goal.






25. 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.






26. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.






27. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.






28. A form of filename substitution - similar to the use of wildcards in Windows and DOS.






29. 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






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






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






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






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






34. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.






35. A Session layer control protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for controlling a session between two nodes. For example - it ensures that the two nodes are communicating in the same format.






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






37. The name given to the public software project to implement a complete - free source code implementation of UNIX. It also refers to the collection of UNIX-inspired utilities and tools that are included with Linux distributions.|






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






39. An exchange in which a wireless station requests the exclusive right to communicate with an access point and the access point confirms that it has granted that request.






40. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.






41. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.






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






43. 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.






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






45. 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.






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






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






48. A cost-savings benefit that results from organizations completing long-distance telephone calls over their packet-switched networks - thus bypassing tolls charged by common carriers on comparable PSTN calls.






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






50. A well-defined - self-contained subset of a process. U







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