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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. 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.






2. 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.






3. The capability for operating multiple logical servers






4. The exchange of information between the components of a network or system for the purposes of establishing - monitoring - or releasing connections as well as controlling system operations.






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






6. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.






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






8. A type of satellite that orbits the Earth roughly 6000 to 12 -000 miles above its surface - positioned between the equator and the poles. These satellites can cover a larger area of the Earth's surface than LEO satellites while using less power and c






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






10. The process of copying Active Directory data to multiple domain controllers. This ensures redundancy so that in case one of the domain controllers fails - clients can still log on to the network - be authenticated - and access resources.






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






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






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






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






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






16. A UNIX or Linux file system information storage area that holds all details about a file. This information includes the size - the access rights - the date and time of creation - and a pointer to the actual contents of the file.






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






18. 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






19. A private switch that accepts and interprets both analog and digital voice signals (although some IP-PBXs do not accept analog lines). It can connect with both traditional PSTN lines and data networks. |






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






21. 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.






22. 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.|






23. 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






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






25. 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.






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






27. A companion protocol to RTP - defined in RFC 3550 by the IETF - RTCP provides feedback on the quality of a call or videoconference to its participants.






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






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






30. In Microsoft terminology - the primary purpose of a Windows Server 2008 server.






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






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






33. A service in which a video stored as an encoded file is delivered to a viewer upon his request.






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






35. 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.






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






37. 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.






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






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






40. A group of access points and associated stations (or basic service sets) connected to the same LAN.






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






42. A program (usually text-based) that accepts and executes system programs and applications on behalf of users. Often - it includes the ability to execute a series of instructions that are stored in a file.






43. A logical representation of a networked printer's functionality.






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






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






46. 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.






47. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.






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






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






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






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