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






2. 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.






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






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






5. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.






6. 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






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






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. An access point that provides routing functions.






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






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






12. In LDAP naming conventions - the name of an object.






13. 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.






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






15. The provision of telephone service over the Internet.






16. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.






17. The capability for operating multiple logical servers






18. Another term for the UNIX command interpreter.






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






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






21. A network access method used on 802.11 wireless networks. In it - before a node begins to send data it checks the medium. If it detects no transmission activity - it waits a brief - random amount of time - and then sends its transmission. If the node






22. 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.






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






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






25. A transmission technique in which a signal's bits are distributed over an entire frequency band at once. Each bit is coded so that the receiver can reassemble the original signal upon receiving the bits.






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






27. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.






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






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






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






31. 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.






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






33. 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.






34. 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.






35. A connection from an orbiting satellite to an Earth-based receiver.






36. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).






37. 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






38. The nerve center for networks that adhere to H.323. IT authorize and authenticate terminals and gateways - manage bandwidth - and oversee call routing - accounting - and billing.






39. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.






40. A telephone switch used to connect calls within a private organization.






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






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






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






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






45. 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.






46. 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.






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






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






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






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







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