Match each wireless concept to its description.

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Wireless networking in the CCNA context involves understanding distinct components and their roles. The SSID (Service Set Identifier) is the wireless network's name broadcast by Access Points (APs), allowing clients to identify and connect to the WLAN. The AP acts as the radio interface device that transmits and receives wireless signals, bridging wireless clients to the wired network infrastructure. WPA2 (Wi-Fi Protected Access 2) is a security protocol that encrypts wireless traffic using AES encryption, ensuring confidentiality and integrity of data over the air. In Cisco wireless LAN designs, a controller-based architecture centralizes the management of multiple APs. This design allows network administrators to configure, monitor, and enforce policies consistently across all APs from a single wireless LAN controller (WLC). This separation of control and data planes enhances scalability and security, as the WLC manages authentication, roaming, and radio resource management while APs handle client connectivity. A common exam trap is conflating the SSID with the AP or the security protocol. The SSID is not a physical device but a network identifier, while the AP is hardware providing wireless access. WPA2 is a security standard, not a device or network name. Understanding these distinctions is critical for Cisco exam success and practical network design, where separating identity, hardware, and security roles ensures clear wireless network architecture and troubleshooting.

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