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






2. In the context of wireless networking - the process in which a station listens to several channels within a frequency range for a beacon issued by an access point.






3. The preferred Active Directory naming convention for objects when used in informal situations. This name looks like a familiar Internet address - including the positioning of the domain name after the @ sign.






4. The capability for operating multiple logical servers






5. A protocol that enables one system to access files on another system.






6. An access point that provides routing functions and is used as a gateway.






7. 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.






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






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






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






11. 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.






12. 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).






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






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






15. A proprietary implementation of the UNIX system distributed by IBM.






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






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






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






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






20. 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






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






22. 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.|






23. The term used to describe software that is distributed with few restrictions and whose source code is freely available.






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






25. The provision of telephone service over a packet-switched network running the TCP/IP protocol suite.






26. A logical representation of multiple - hierarchical levels in a directory.






27. The GUI environment for UNIX and Linux systems.






28. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.






29. 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






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






31. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.






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






33. 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.






34. 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.






35. In the context of wireless signal propagation - the phenomenon that occurs when an electromagnetic wave encounters an obstruction and splits into secondary waves. The secondary waves continue to propagate in the direction in which they were split. Th






36. A nonprofit industry association that owns the UNIX trademark.






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






38. 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. |






39. 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






40. 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.






41. 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.






42. The software that sits between the client and server in a 3-tier architecture.






43. In the context of wireless networking - the communication that occurs between a station and an access point to enable the station to connect to the network via that access point.






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






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






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






47. 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






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






49. 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.






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







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