ccna 200-301 volume 2 official cert guide pdf

ccna 200-301 volume 2 official cert guide pdf.Return traffic is sent to the initial controller, called an anchor, and then sent to the new controller through the tunnel. Attenuator (atteiiuMor) Reduces the signal strength if it is too strong and causes interference with other networks. authenticationrequest A request sent by a client to an AP during an open association. authenticationresponse A response sent from the AP to the client during an open association. authenticationserver An AAA server that contains a list of applicants that can be authenticated.authentication server. authenticMor A switch. Autonomous Workgroup Bridge aWGB (AutonomousWorkgroupBridge) A wireless bridge that operates autonomously. autoprovisioning Simplifies deployment scenarios when there are a large number of controllers. azimuth The angle between a reference plane and a point.backofftimer A random number that starts the countdown process during listening. bandwidth The spectrum measured in hertz. Bandwidth can refer to the data rate or the width of the RF channel. The barkercode definition of the 11 code slices used in data encoding.Basic Service Area The coverage area of a BSA(BasicServiceArea) AP. Basic Service Set BSS(BasicServiceSet) The network name and radio parameters that one device sets after otherdevices use it to connect. Basic Service Set Identifier BSSID(BasicServiceSetIdentifier) The unique network for which an AP is providing service. Beacon A service announcement from an AP. BinaryPhase ShiftKeying (BPSK) A modulation technique used in 802.11 networks. blockacknowledgment An acknowledgement from the receiving station that a frame has been received from the receiving station.frame. Used in 802.11n networks. Bluetooth (Bhietooth) A personal local area network technology. Carrier Sense Multiple Access/Collision Avoidance CSMA/CA (Carrier Sense Multiple Access/CollisionAvoidance) When a device wants to transmit, it must first listen, similar to CSMA/CD. channel (dmunel) A defined range of frequencies. Channel State Information CSI (Channel State Information) If the receiver is moving, the reflection characteristics areAppendix B Glossary of Terms 369service area. The evaluation formula is as follows: EIRP = transmitter output power - cable loss + antenna gain.Vertical plane (elevation planeE-plane) A vertical pattern in which the signal does not propagate uniformly.