zmiany w ccna

zmiany w ccna.A absorption (absorption) The removal of amplitude from a wave, radically reducing the distance the wave can travel. Access port (accesssport) A port that is connected to a host rather than another switch and is usually only onon a VLAN. Acknowledged ACK (acknowledged) A response to some form of request. active scan (activescan) The process of actively scanning for available wireless networks. AdaptiveFrequencyHoppingSpreadSpectrumTechnology A spread spectrummethod to improve immunity to RF interference, often used in Bluetooth technology. ad hoc is used when two computers communicate directly with each other.Advanced Encryption Standard AES (Advanced Encryption Standard) also known as Rijndael (Advanced Encryption Standard) o A set of ciphers adopted by the US government as an encoding standard.Aironet Client Administration Utility ACAU (AironetClientAdministration Utility) A piece of Cisco software that configures the AironetDesktop Utility prior to deployment. Aironet Desktop Utility ADU (AironetDesktopUtility) Cisco software used to manage a single a/b/g wireless networkCisco software for managing a single a/b/g wireless card. AirportExtremeMAC-OSX Wireless Client.amplifier is placed between the AP and the antenna to strengthen the signal. amplitude The amplitude of a signal.368 Appendix B Glossary of TermsGSM (Global System forMobileCommunication) A digital mobile telephone system that uses a variant of time-division multiple access (TDMA, time-divisionmultipleaccess). GSM is one of the three most widely used digital radio telephony technologies (TDMA, GSM and CDMA). GSM operates in the 900 MHz or 1800 MHz band. The Group Master Key GMK (GroupMasterKey) is used by the AP to generate a group random number.The list of other controllers that can be associated with it obtained from the controller. Address Resolution Protocol (ARP, AddressResolution Protocol) is used to resolve a MAC address into an IP address. Association request An association request sent from a client to an AP. associationresponse A response sent by the AP to the user during an open association. asymmetrictunneling Traffic routed from a client to a destination, regardless of the source address. Return