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A wireless access point (AP) is a device that allows Wi-Fi devices to connect to a wired or wireless network. Learn about the wireless data standards, limitations, security and types of APs.
Wi-Fi is a family of wireless network protocols based on the IEEE 802.11 standards, used for local area networking and Internet access. Learn about the invention, development, and features of Wi-Fi, as well as its radio bands, speeds, and compatibility.
Wi-Fi Direct is a Wi-Fi standard that allows two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or Internet connection. It is useful for things such as file transfer, casting and projecting, wireless printing, and to communicate with one or more devices simultaneously at typical Wi-Fi speeds.
Role-based access control (RBAC) is an approach to restricting system access to authorized users, and to implementing mandatory access control (MAC) or discretionary access control (DAC). RBAC is a policy-neutral access control mechanism defined around roles and privileges, and can be used to facilitate administration of security in large organizations.
IEEE 802.11 is a set of wireless LAN standards that specify the MAC and PHY protocols for Wi-Fi communication. Learn about the different generations of 802.11, including 802.11g, which operates in the 2.4 GHz band with up to 54 Mbit/s signalling rates.
A wireless LAN controller (WLC) is a network device that manages wireless access points in an organization. WLCs provide security, centralization, and simplification of wireless network operations.
LWAPP is a protocol that can control multiple Wi-Fi wireless access points at once. It was proposed by Airespace and standardized by IETF, but it is not widely used beyond Cisco products.
Learn about network access control (NAC), an approach to computer security that unifies endpoint security, user or system authentication and network security enforcement. Compare different NAC designs, concepts and methods, such as pre-admission and post-admission, agent and agentless, out-of-band and inline, remediation, quarantine and captive portals.