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CWNA Wireless Devices
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CWNA Wireless Devices
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1. 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

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

3. 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.

4. 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

5. 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

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

7. 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

8. 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.

9. 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

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

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

12. 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

13. 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.

14. 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.

15. 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.

16. 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

17. 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.

18. 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.

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

20. 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.

21. 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

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

23. 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

24. A hardware standard that is replacing PCMCIA cards

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