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 core of a UNIX or Linux system. This part of the operating system is loaded and run when you turn on your computer. It mediates between user programs and the computer hardware.






2. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.






3. 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.






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






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






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






8. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.






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






10. A gateway that can translate IP fax data into analog fax data and vice versa.






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






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






13. 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.






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






15. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.






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






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. 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






19. On a SIP network - a server that accepts requests for location information from user agents - then queries the nearest registrar server on behalf of those user agents. If the recipient user agent is in the SIP proxy server's domain - then that server






20. A variable property associated with a network object. For example - a restriction on the time of day a user can log on is an attribute associated with that user object.






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






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






23. 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






24. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.






25. A long form of an object's name in Active Directory that explicitly indicates the object name - plus the names of its containers and domains. It includes a DC (domain component) - OU (organizational unit) - and CN (common name).






26. 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






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






28. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.






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






30. 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.






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






32. In the context of 802.11n wireless networking - the ability for access points to issue multiple signals to stations - thereby multiplying the signal's strength and increasing their range and data-carrying capacity.






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






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






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






36. An object in an operating system's directory - such as a printer or user - that does not contain other objects.






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






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






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






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






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






42. 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).






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






44. Another term for the UNIX command interpreter.






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






46. 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.






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






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






49. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.






50. 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.