Key Terms Glossary
802.1x An IEEE standard that defines port-based access control for wired and wireless networks
absorption The effect of an RF signal meeting a material that absorbs or attenuates the signal strength by some amount
access point (AP) A device that provides wireless service for clients within its coverage area or cell
active scanning A method used by wireless clients to actively scan for available APs by sending probe request frames
ad hoc network See independent basic service set (IBSS)
air-quality index (AQI) A scale from 0 to 100 that indicates how usable an 802.11 channel is, based on the number and intensity of interfering sources
amplifier An active device that adds gain to an RF signal
amplitude The height from the top ...
Get CCNA Wireless 640-722 Official Cert Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
