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






2. The proprietary version of UNIX that comes from Bell Labs.






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






4. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.






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






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






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






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






9. 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






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






11. 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.






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






13. 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.






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






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






16. 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.






17. The IEEE standard for a wireless networking technique designed to be compatible with 802.11b while using different encoding techniques that allow it to reach a theoretical maximum capacity of 54 Mbps. It uses the 2.4-GHz frequency band.






18. The capability for operating multiple logical servers






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. A protocol for communications and resource access between systems - such as clients and servers.






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






22. 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.






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






24. A change in a wireless signal's strength as a result of some of the electromagnetic energy being scattered - reflected - or diffracted after being issued by the transmitter.






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






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






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






28. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.






29. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.






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






31. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.






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






33. The computer instructions written in a programming language that is readable by humans.






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






35. 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.






36. 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.






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






38. 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.






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






40. 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






41. A representation of a thing or person associated with the network that belongs in the NOS directory.






42. 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.






43. Another term for the UNIX command interpreter.






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






45. An access point that provides routing functions.






46. A streaming video - either on demand or live - that is delivered via the Web.






47. 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.






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






49. 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).






50. A user account that has unlimited privileges to resources and objects managed by a server or domain.