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






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






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. A small (usually home) network composed of personal communications devices.






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






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






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






8. 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).






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






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






11. An IEEE standard for wireless MANs. Its networks may use frequencies between 2 and 66 GHz. Their antennas may operate in a line-of-sight or non-line-of-sight manner and cover 50 kilometers (or approximately 30 miles). Its connections can achieve a ma






12. 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.






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






14. 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.






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






16. 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.






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






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






19. 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.






20. A Session layer call signaling protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for call or videoconference setup between nodes on a VoIP or video-over-IP network - indicating node status - requesting addit






21. 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.






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






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






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






25. 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.






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






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






28. 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.






29. Another term for the UNIX command interpreter.






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






31. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.






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






33. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.






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






35. 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.






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






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






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






39. 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.






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






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






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






43. A routine of sequential instructions that runs until it has achieved its goal.






44. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.






45. 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.






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






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






48. The process a wireless station undergoes to find an access point.






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






50. 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).