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






2. 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.






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






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






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






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






7. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.






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






9. A LAN that uses wireless connections for some or all of its transmissions.






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






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






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






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






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






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






16. 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.






17. An attribute of an object that identifies the object separately from its related container(s) and domain.






18. 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.






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






20. A type of antenna that issues wireless signals along a single direction - or path.






21. In IEEE terminology - a group of stations that share an access point.






22. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.






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. 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.






26. The IEEE standard for a wireless networking technique that uses multiple frequency bands in the 5-GHz frequency range and provides a theoretical maximum throughput of 54 Mbps.






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






28. 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.






29. 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.






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






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






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






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






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






35. 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).






36. A wireless signaling technique in which a signal jumps between several different frequencies within a band in a synchronization pattern known to the channel's receiver and transmitter.






37. 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






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






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






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






41. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.






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






43. 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. |






44. 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






45. 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.






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






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






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






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






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