Before reading the article, please note that all concepts are tested and explained using Alcatel-Lucent enterprise products. Â Â SSID With Pre-Shared Key The User device is associated with the Wireless access point using a pre-shared key(PSK). Once the correct pre-shared key is entered on the user device, it will obtain an IP address and gain access to the network/internet. Â Pros: Easy to use and typically used on Voice devices that do not support roaming standards Cons: All