CIT228 Wireless Networks Chapter 7 WAN Management And Chapter 8 Site Survey
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| active mode | A power management state in which the station is continuously awake.
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| ad hoc traffic indication message (ATIM) | window)
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| adjacent channel interference | Each cell is separated from other cells so that no two adjacent cells have the same channel number in order to reduce interference.
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| captive portal AP | An AP that uses a standard Web browser to provide information, give the wireless user the opportunity to agree to a policy, or present valid login credentials.
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| channel stacking | A technology that allows for increased capacity by having more than one SCA operating in an area.
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| Cloud management | Connecting wireless devices together using the Internet in order to remotely manage them.
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| cochannel interference | Reduced throughput caused as a result of all of APs set to the same channel number.
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| cooperative control | A proprietary product in which each AP contains the capabilities of a WLC.
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| delivery traffic indication message (DTIM) | A special TIM sent by an AP that is used when a station in power save mode must receive a frame intended for all stations.
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| Distributed WLAN architecture | A wireless architecture configuration in which multiple APs form a non-centralized network through a wireless connection.
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| IEEE 802.11e-2005 | The IEEE QoS standards.
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| IEEE 802.1q | An IEEE standard for marking VLAN packets.
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| lightweight mesh AP | A mesh AP that is centrally configured and managed through a WLC.
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| micro-cell architecture | A wireless architecture that creates small areas of coverage.
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| multiple-channel architecture (MCA) | A wireless architecture in which more than one channel is used in the wireless network.
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| power management | A technology that allows a WLAN to conserve power.
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| power save mode | A power management state in which the station turns off the wireless network interface card adapter to conserve battery life.
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| Power Save Multi-Poll (PSMP) | An enhanced power management technology that can have either a scheduled or an unscheduled component.
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| Quality of Service (QoS) | Prioritizing different types of frames over a network.
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| Scheduled PSMP (S-PSMP) | An enhanced power management technology in which the AP sends a transmission schedule to one or more stations in a WLAN.
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| single-channel architecture (SCA) | An architecture in which all of the APs use the same channel.
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| SNMP (Simple Network Management Protocol) | A management protocol that provides information such as the number of bytes transmitted and received, the number of frames transmitted and received, the number of errors, and port status.
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| Spatial Multiplexing Power Save (SMPS) | An enhanced power management technology that turns off MIMO radios.
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| split MAC | A division in which lightweight APs only handle the real-time layer functions while MAC functionality is processed by the WLC.
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| total cost of ownership (TCO) | The total cost of owning a product, including acquisition, setup, support, ongoing maintenance, service, and all operating expenses.
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| traffic indication map (TIM) | A list of stations that have buffered unicast frames waiting at the AP.
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| trunking | A single cable is used to support multiple virtual LANs.
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| Unscheduled Automatic Power Save Delivery (U-APSD) | A technology in which whenever the AP sees a frame coming from the station it will immediately releases any frames it has been holding for the station.
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| virtual local area network (VLAN) | A logical grouping of network devices within a larger physical network.
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| Voice over IP (VoIP) | A telephony system that uses Internet Protocol (IP-based)
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| Wi-Fi Multimedia (WMM) | A QoS specification created in 2004 by the Wi-Fi Alliance modeled after a wired network QoS prioritization scheme.
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| wireless network management system (WNMS) | A set of hardware and/or software that can be used to provide unified management of a wireless network.
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| wireless switch | Another name for a WLAN controller.
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| wireless VLANs | A wireless virtual LAN typically used to segment traffic.
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| WLAN array | A proprietary product marketed that contains a WLC that can be directly connected to as many as 16 integrated APs.
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| WLAN profile | A set of specific configurations that can be applied to different wireless stations.
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| WMM Power-Save (WMM-PS) | A technology that is similar to Unscheduled Automatic Power Save Delivery (U-APSD).
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| automated RF resource management | A dynamic self-managing WLAN in which the wireless devices monitor the environment and then automatically adjust power levels or channels to compensate for changes.
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| bill of materials (BOM) | A list of itemized software and/or hardware components that are needed for a new WLAN.
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| delay | The amount of acceptable time that a late packet can arrive and still be used.
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| jitter | The measure of delay between packets.
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| manual | site survey A site survey that requires walking through the area of the WLAN while carrying a wireless client like a laptop or tablet computer.
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| predictive analysis simulation application | Site survey software used in a predictive site survey that allows for building floor plans to be loaded and analyzed.
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| predictive site survey | A site survey that is a virtual survey of the area that uses modeling techniques to design the wireless network.
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| protocol analyzer | Hardware or software that captures packets to decode and analyze its contents.
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| site survey | An in-depth examination and analysis of a WLAN site.
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| spectrum analyzer | A device that scans the RF spectrum to can locate potential sources of interference.
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