Test your basic knowledge |

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 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).






2. 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






3. 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.






4. A standard protocol for accessing network directories.






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






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






7. A version of Linux packaged and distributed by Red Hat.






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






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






10. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.






11. On a network following the H.323 standard - a gateway that provides translation between network devices running H.323 signaling protocols and devices running other types of signaling protocols (for example - SS7 on the PSTN).






12. A method of satellite Internet access in which a subscriber receives data via a satellite downlink transmission - but sends data to the satellite via an analog modem (dialup) connection.






13. The capability for operating multiple logical servers






14. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.






15. 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.






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






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






18. 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.






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






20. 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.|






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






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






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






24. A portion of the kernel that you can load and unload to add or remove functionality on a running UNIX or Linux system.






25. 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.






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






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






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






29. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.






30. 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






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






32. An access point that provides routing functions.






33. A type of phone that includes a screen and can decode compressed video and interpret transport and signaling protocols necessary for conducting videoconference sessions.






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






35. The process of moving blocks of information - called pages - between RAM and into a page file on disk.






36. 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.






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






38. 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






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






40. 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.






41. In the context of 802.11n wireless technology - the combination of two 20-MHz frequency band to create one 40-MHz frequency band that can carry more than twice the amount of data that a single 20-MHz band could. It's recommended for use only in the 5






42. In general - a listing that organizes resources and correlates them with their properties. In the context of NOSs - a method for organizing and managing objects.






43. 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.






44. In the DiffServ QoS technique - a forwarding specification that assigns each data stream a minimum departure rate from a given node. This technique circumvents delays that slow normal data from reaching its destination on time and in sequence.






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






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






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






48. A protocol suite codified by the IETF (in RFC 2543) as a set of Session layer signaling and control protocols for multiservice - packet-based networks.






49. 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.






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