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CWNA Wireless Devices

Subjects : cisco, it-skills, cwna
Instructions:
  • Answer 35 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 small form factor PCI expansion card. The mini PCI is a variation of the Peripheral Component Interconnect (PCI) bus technology and was designed for use mainly in laptops. A mini PCI radio is often used inside AP's and is also the main type of radi






2. A central management device originally used to configure and maintain as many as 5 -000 autonomous APs. A WNMS can be either a hardware appliance or a software solution. The current WNMS servers are used to manage multiple WLAN controllers from a sin






3. Multiple SSIDs configured on a single physical AP - where each SSID is mapped to a unique BSSID






4. The use of multiple wireless controllers as data distribution gateways onto the wired network






5. A WLAN architecture in which all AP's in the network can be deployed on one channel in either the 2.4Ghz or 5 GHz frequency bands. Uplink and Downlink transmissions are coordinated by a WLAN controller on a single 802.11 channel in such a manner that






6. A process in which frames such as 802.11 frames are encapsulated in a packet - transmitted between two devices on a network - and then removed from the packet and forwarded.






7. A WLAN controller and multiple AP's using sector antennas all combined in a single hardware device






8. The PC Card standard specifies 3 types of PC Cards. The 3 card types are the same length and width and use the same 68-pin connector. The thickness of the cards are follows: Type I = 3.3 mm - Type II = 5.0 mm - and Type III = 10.5 mm.






9. A wireless architecture that consists of groups of Autonomous AP's with WLAN controller intelligence and capabilities






10. Communicate with each other by using proprietary L2 routing protocols - creating a self-forming and self-healing wireless infrastructure (a mesh) over which edge devices can communicate






11. A hardware standard that is replacing PCMCIA cards






12. Software and hardware solutions that can dynamically change the configuration of lightweight or autonomous AP's based on accumulated RF information gathered from the AP's radio cards. Based on the accumulated RF information - the centralized device c






13. A wireless network configuration that connects only two devices together. This is typically a wireless bridge link.






14. Traditional AP. Contains at least two physical interfaces - usually an RF radio card and 10/100BaseT port. All configuration settings exist in the AP itself - and therefore - management and configuration occurs at the access layer. All encryption and






15. Autonomous AP contain at least two physical interfaces - usually RF radio card and 10/100BaseT port. The majority of the time - these physical interfaces are bridged together by a virtual interface known as BVI. The BVI is assigned an IP address that






16. A specialty 802.11 device used to segment autonomous AP's from the protected wired network infrastructure. An EWG can segment the unprotected wireless network from the protected wired network by acting either as a router or a VPN endpoint and/or as a






17. The BSSID is typically the MAC address of the AP's radio card and the L2 identifier of the BSS. Because AP's are capable of advertising multiple SSIDs - and because each SSID requires a separate BSSID - the AP will generate virtual BSSID addresses






18. Software used to configure a wireless client card. The software interface will usually have the ability to create multiple connection profiles. Configuration settings of a client utility typically include the SSID - transmit power - security settings






19. A peripheral expansion slot often found on handheld PDA - laptops and other mobile devices






20. Wireless bridges support two major configuration settings:Root and nonroot. Bridges work in a parent/child type of relationship. So think of the root bridge as the parent and the nonroot as the child.






21. A peripheral expansion slot often found on handheld PDA's.






22. An environment in which a WLAN controller is a centralized device that can dynamically change the configuration of the lightweight AP based on accumulated RF information gathered from the AP's radio cards.






23. A fancy term for a home wireless router - the main function of residential wireless gateway is to provide shared wireless access to a SOHO Internet connection while providing a level of security from the Internet. These SOHO Wi-Fi routers are general






24. An AP that combines an autonomous AP with a suite of Cooperative control protocols - but without requiring a WLAN controller






25. A set of configuration parameters that are configured on the WLAN controller The profile parameters can include the WLAN logical name (SSID) - WLAN security settings - VLAN assignment - and QoS parameters.






26. WLAN controllers are used in a centralized WLAN architecture together with lightweight AP's - known as thin APs. All the intelligence resides in the controller and all of the AP configs settings such as channel and power are distributed to the lightw






27. With this type of WLAN architecture - some of the MAC services are handled by the WLAN controller and some are handled by the lightweight AP. For example - integration service (IS) and Distribution system service (DSS) are handled by the controller.






28. A specialty 802.11 device that provides for segmentation and encryption. The EEG typically sits behind several fat access points and segments the wireless network from the protected wired network infrastructure. Proprietary encryption technology usin






29. A wireless network configuration that has a central communications device such as a bridge of an AP providing connectivity to multiple devices such as the other bridges or clients






30. RBAC is an approach to restricting system access to authorized users. The three main components of an RBAC approach are users - roles and permissions. Separate roles can be created such as the sales role or the marketing role. Individuals or groups o






31. The most widely used client utility is an integrated OS client utility - more specifically known as the WZC service utility that is enabled by default in Windows XP.






32. Lightweight AP's are used in a centralized WLAN architecture together with WLAN controllers. A lightweight AP has minimal intelligence and is functionally just a radio card and an antenna. All the intelligence resides in the centralized WLAN controll






33. A set of standards proposed by the IETF for WLAN controller protocols.






34. A group of integrated circuits designed to work together. Many 802.11 chipset manufactures exist and sell their technology to the various radio card manufacturers.






35. A future technology that will be able to dynamically switch across a wide range of frequency bands - transmission techniques - and modulation schemes so that a single radio could replace multiple products.







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