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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. The type of multitasking in which tasks are actually performed one at a time - in very brief succession. One program uses the processor for a certain period of time - then is suspended to allow another program to use the processor.






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






3. A service that relies on a DSL connection to transmit packetized voice signals.






4. 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.






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






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






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






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






9. A multiprocessing method that assigns each subtask to a specific processor.






10. 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.






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






12. An access point that provides routing functions.






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






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






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






17. The IEEE standard for a wireless networking technique that uses DSSS (directsequence spread spectrum) signaling in the 2.4-2.4835-GHz frequency range (also called the 2.4-GHz band). It separates the 2.4-GHz band into 14 overlapping 22-MHz channels an






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






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






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






21. 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.






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






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






24. A type of antenna that issues and receives wireless signals with equal strength and clarity in all directions. This type of antenna is used when many different receivers must be able to pick up the signal - or when the receiver's location is highly m






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






26. 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.






27. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.






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






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






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






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






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






33. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.






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






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






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






37. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.






38. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.






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






40. A type of server on a Windows Server 2003 or Server 2008 network that does not hold directory information and - therefore - cannot authenticate users.






41. On a SIP network - a server that maintains a database containing information about the locations (network addresses) of each user agent in its domain. When a user agent joins a SIP network - it transmits its location information to the SIP registrar






42. 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.






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






44. The IEEE standard for a wireless networking technique that may issue signals in the 2.4- or 5-GHz band and can achieve actual data throughput between 65 and 600 Mbps. It accomplishes this through several means - including MIMO - channel bonding - and






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






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






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






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






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






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







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