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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 GUI environment for UNIX and Linux systems.






2. 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.






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






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






5. The provision of telephone service over the Internet.






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






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






8. 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.






9. 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.






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






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






12. A means of collectively managing users' permissions and restrictions applied to shared resources.






13. The term used to refer to a satellite that maintains a constant distance from a point on the equator at every point in its orbit.






14. A type of antenna that issues wireless signals along a single direction - or path.






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






16. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.






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






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






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






20. The brand of computer central processing unit invented by and used in Sun Microsystems servers.






21. In the context of wireless networking - the process in which a station listens to several channels within a frequency range for a beacon issued by an access point.






22. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.






23. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.






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






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






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






27. 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






28. 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.






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






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






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






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






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






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






35. A method used by wireless stations to detect the presence of an access point. The station issues a probe to each channel in its frequency range and waits for the access point to respond.






36. An IEEE standard for wireless MANs. Its networks may use frequencies between 2 and 66 GHz. Their antennas may operate in a line-of-sight or non-line-of-sight manner and cover 50 kilometers (or approximately 30 miles). Its connections can achieve a ma






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






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






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






40. A client/server environment that uses middleware to translate requests between the client and server.






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






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






43. An access point that provides routing functions and is used as a gateway.






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






45. 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






46. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.






47. 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.






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






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






50. The real-time reception and transmission of images and audio among two or more locations.