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 term used to refer to a satellite that maintains a constant distance from a point on the equator at every point in its orbit.






2. A type of object recognized by an NOS directory and defined in an NOS schema.






3. 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.






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






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






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






7. 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






8. 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.






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






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






11. A type of wireless LAN in which stations communicate directly with each other (rather than using an access point).






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






13. Any implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from Novell (costing as much as millions of dollars).






14. 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.






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






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






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






18. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.






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






20. A connection from an Earth-based transmitter to an orbiting satellite.






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






22. 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






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






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






25. A unique character string used to identify an access point on an 802.11 network.






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






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






28. 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).






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






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






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






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






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






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






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






36. 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.






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






38. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.






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






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






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






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






43. On a SIP network - a server that accepts and responds to requests from user agents and SIP proxy servers for location information on recipients that belong to external domains.






44. 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






45. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.






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






47. A standard protocol for accessing network directories.






48. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.






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






50. 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.|