When PSK authentication is used on a WLAN, without the use of an ISE server, which of the following devices must be configured with the key string? (Choose two.)
- One wireless client (each with a unique key string)
- All wireless clients
- All APs and WLCs
- A RADIUS server
Explanation: The same key must be configured on all client devices that will need to connect to the WLAN. In addition, the key must be configured on all APs and WLCs where the WLAN will exist. These keys are not normally unique to each wireless client unless the identity PSK feature is used in conjunction with ISE. PSK-based authentication does not require a RADIUS server.
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